YTTRIUM-SUBSTITUTED BARIUM THIOALUMINATE ONE PHOSPHORUS MATERIALS

QUANTUM DOT AND MANUFACTURING METHOD FOR THE SAME AND APPLICATION USING THE SAME

The present disclosure provides a quantum dot and a manufacturing method for the same, and a luminescent material, a light-emitting element and a display device applying the quantum dot. The quantum dot includes a core and a shell layer. The core is at least one selected from the group consisting of a XII-XV group compound semiconductor nano-crystal, a XII-XVI group compound semiconductor nano-crystal, a XIII-XV group compound semiconductor nano-crystal and a XIII-XVI group compound semiconductor nano-crystal. The core contains a cadmium element and a selenium element. The shell layer contains a zinc element and a sulfur element. The shell layer encloses the core.

Preparation of nanoparticles

A method of producing nanoparticles comprises effecting conversion of a nanoparticle precursor composition to the material of the nanoparticles. The precursor composition comprises a first precursor species containing a first ion to be incorporated into the growing nanoparticles and a separate second precursor species containing a second ion to be incorporated into the growing nanoparticles. The conversion is effected in the presence of a molecular cluster compound under conditions permitting seeding and growth of the nanoparticles.

Preparation of nanoparticle materials

PREPARATION OF NANOPARTICLE MATERIALS

SINGLE ELECTRON-OCCUPIED QUANTUM DOTS AND METHOD FOR CONTROLLING MAGNETISM THEREOF

The present invention relates to single electron-occupied quantum dots and to a method for controlling the magnetism thereof and, more specifically, to quantum dot nanoparticles comprising single electrons in the quantized energy level of a conduction band, and to a method for controlling the magnetism thereof. The method for controlling the magnetism of quantum dots according to the present invention can fill the quantized energy level in a conduction band of the quantum dot with single electrons by controlling the time for a chemical reaction of quantum dots and the ratio of metal to chalcogen, and can control the magnetism of the quantum dots by adjusting the number of electrons. In addition, the quantum dots are prepared by comprising a thiol-less ligand, so that the n-type doping of quantum dots can be maintained and the ligand substitution is very easy, compared with a conventional thiol ligand. COPYRIGHT KIPO 2018 (AA) N=0 diamagnetic (BB) N=1 paramagnetic (CC) N=2 diamagnetic (DD ...

PREPARATION OF NANOPARTICLE MATERIALS

A method of producing nanoparticles comprises effecting conversion of a nanoparticle precursor composition to the material of the nanoparticles. The precursor composition comprises a first precursor species containing a first ion to be incorporated into the growing nanoparticles and a separate second precursor species containing a second ion to be incorporated into the growing nanoparticles. The conversion is effected in the presence of a molecular cluster compound under conditions permitting seeding and growth of the nanoparticles. © KIPO & WIPO 2007 ...

LIGHT SENSITIVE DEVICE

A light sensitive device including a substrate and high pass filter semiconductor nanoparticles distributed on the substrate. The substrate includes at least one photosensor, and the semiconductor nanoparticles are high pass filters in UV-visible-NIR light range. The light sensitive device has a density of the semiconductor nanoparticles per surface unit of greater than 5×10nanoparticles.cm. Also, a process for the manufacture of the light sensitive device, and an image sensor that includes the light sensitive device. 119.-. (canceled)20. A light sensitive device comprising a substrate and semiconductor nanoparticles distributed on the substrate according to a pattern , wherein substrate comprises at least one photosensor , wherein semiconductor nanoparticles are high pass filters in UV-visible-NIR light range , and wherein the light sensitive device comprises a density of semiconductor nanoparticles per surface unit greater than 5×10nanoparticles.cm.21. The light sensitive device according to claim 20 , wherein semiconductor nanoparticles are deposited on the substrate with a thickness of less than 10000 nm and more than 100 nm claim 20 , and the volume fraction of semiconductor nanoparticles in the light sensitive device is ranging from 10% to 90%.22. The light sensitive device according to claim 20 , wherein semiconductor nanoparticles have a longest dimension less than 1 μm.23. The light sensitive device according to claim 20 , wherein semiconductor nanoparticles are inorganic.24. The light sensitive device according to claim 23 , wherein semiconductor nanoparticles are semiconductor nanocrystals comprising a material of formula MQEA claim 23 , wherein: M is selected from the group consisting of Zn claim 23 , Cd claim 23 , Hg claim 23 , Cu claim 23 , Ag claim 23 , Au claim 23 , Ni claim 23 , Pd claim 23 , Pt claim 23 , Co claim 23 , Fe claim 23 , Ru claim 23 , Os claim 23 , Mn claim 23 , Tc claim 23 , Re claim 23 , Cr claim 23 , Mo claim 23 , W claim 23 , V ...

PHOSPHORESCENCE EMITTING SOLID, ORGANIC ELECTROLUMINESCENCE ELEMENT AND ORGANIC ELECTROLUMINESCENCE DEVICE

A phosphorescence emitting solid comprising an organometallic complex which has a tridentate ligand coordinating to a central metal through two nitrogen atoms and one carbon atom positioning between said two nitrogen atoms and binding with said two nitrogen atoms via bonds and has a halogen atom as a ligand; a luminescent element using the solid; and an organic EL device using the element. The phosphorescence emitting solid can emit a phosphorescence having very high intensity in a solid state, and thus, the use of the solid in an organic EL element allows the significant improvement of the luminous efficiency, which results in the reduction of electric power consumption in an organic EL device.

Preparation of nanoparticle materials

A method of producing nanoparticles comprises effecting conversion of a nanoparticle precursor composition to the material of the nanoparticles. The precursor composition comprises a first precursor species containing a first ion to be incorporated into the growing nanoparticles and a separate second precursor species containing a second ion to be incorporated into the growing nanoparticles. The conversion is effected in the presence of a molecular cluster compound under conditions permitting seeding and growth of the nanoparticles.

Method of preparation of nanoparticles using mercury thiolate compounds

A method of preparation of mercury chalcogenide nanoparticles that includes the steps of providing a precursor of mercury and mixing the precursor of mercury with a precursor of chalcogenide, wherein the precursor of mercury is a mercury thiolate. Also, mercury telluride nanoparticles and their use in an IR photodetector, an IR photoconversion device, an IR filter or an IR photodiode.

Security element with color change

SECURITY ELEMENT WITH COLOR CHANGE

The invention relates to a security element and a color, comprising at least one colorant that emits luminescent radiation when irradiated with electromagnetic excitation radiation, wherein a) the colorant first emits luminescent radiation when irradiated, the intensity of said colorant decreasing or almost vanishing when continuously irradiated with the excitation radiation within a first time interval, and b) the colorant is designed such that the effect described under a) can be observed again after a regeneration time period during which the colorant is not irradiated with the excitation radiation. The invention further relates to value and/or security documents comprising such a security element or such a colorant and to a verification method.

SEMICONDUCTOR NANOCRYSTAL PROBES FOR BIOLOGICAL APPLICATIONS AND PROCESS FOR MAKING AND USING SUCH PROBES

A semiconductor nanocrystal compound and probe are described. The compound is capable of linking to one or more affinity molecules. The compound comprises (1) one or more semiconductor nanocrystals capable of, in response to exposure to a first energy, providing a second energy, and (2) one or more linking agents, having a first portion linked to the one or more semiconductor nanocrystals and a second portion capable of linking to one or more affinity molecules. One or more semiconductor nanocrystal compounds are linked to one or more affinity molecules to form a semiconductor nanocrystal probe capable of bonding with one or more detectable substances in a material being analyzed, and capable of, in response to exposure to a first energy, providing a second energy. Also described are processes for respectively: making the semiconductor nanocrystal compound; making the semiconductor nanocrystal probe; and treating materials with the probe.

Quantum dot layer and manufacturing method thereof, quantum dot color filter, color filter substrate, display panel, and display device

The present disclosure relates to a manufacturing method of a quantum dot layer, a quantum dot color filter, a color filter substrate, a display panel, and a display device. The manufacturing method includes: performing lyophobic treatment on a first specified region of a first transparent layer, the first transparent layer including regions corresponding to a plurality of pixel regions, each pixel region of the plurality of pixel regions comprising a first subpixel region and a region other than the first subpixel region, the first specified region corresponding to the region other than the first subpixel region; and preparing a lyophilic first quantum dot solution on the first transparent layer to form a first quantum dot sublayer in a region that corresponds to the first subpixel region and is not subjected to the lyophobic.

SEMICONDUCTOR NANOCRYSTAL PROBES FOR BIOLOGICAL APPLICATIONS

A semiconductor nanocrystal compound capable of linking to one or more affinity molecules comprising (1) one or more semiconductor nanocrystals capable of, in response to exposure to a first energy, providing a second energy, and (2) one or more linking agents, having a first portion linked to the one or more semiconductor nanocrystals and a second portion capable of linking to one or more affinity molecules. One or more of semiconductor nanocrystal compounds linked to one or more affinity molecules to form a semiconductor nanocrystal probe capable of bonding with one or more detectable substances in a material being analyzed, and are capable of, in response to exposure to a first energy, providing a second energy. The probe is capable of emitting electromagnetic radiation in a narrow wavelength band and/or absorbing, scattering, or diffracting energy when excited by an electromagnetic radiation source of narrow or broad bandwidth, or a particle beam. The probe is stable to repeated exposure ...

Preparation of nanoparticle materials

Magnetically-responsive thermally-sensitive fluorescent micelle particle and preparation method therefor

A magnetically-responsive thermally-sensitive fluorescent micelle particle and a preparation method therefor. In the method, N-isopropylacrylamide, N,N-dimethylacrylamide, polylactic acid, etc. are used as raw materials to synthesize a thermosensitive P(NIPAM-co-DMAM)-b-PLA triblock polymer; a dextran-magnetic lamellar composite hydroxide-fluorouracil magnetic sustained-release drug delivery system is assembled at the core of the thermosensitive micelle by simultaneous hydration and dialysis, so as to prepare a magnetically-responsive thermally-sensitive fluorescent micelle having magnetic response and temperature-sensitivity; and water-soluble near-infrared CdHgTe quantum dots (QD) are grafted onto the surface of the magnetically-responsive thermally-sensitive micelle layer using an electrostatic binding technique, so as to finally prepare DMF@TRM@QD fluorescent micellar particles having near-infrared fluorescence emission, magnetic targeting, and thermosensitive controlled-release properties ...

METHOD FOR FABRICATING MULTILAYERED THIN FILM OF NANO CRYSTAL AND ORGANIC/INORGANIC HYBRID ELECTRO-LUMINESCENCE DEVICE USING THE SAME TO IMPROVE LIGHT EMITTING EFFICIENCY AND LIGHT EMITTING INTENSITY

PURPOSE: A method for fabricating a multilayered thin film of a nano crystal is provided to improve light emitting efficiency and a light emitting intensity by eliminating the necessity of a complicated process in fabricating a nano-crystalline multilayered thin film. CONSTITUTION: After a mixture solution of a nano crystal surface-coordinated by a photosensitive compound or a nano crystal surface-coordinated by a material capable of being mixed with a photosensor and a photosensitive compound is coated on a substrate, the mixture solution is dried and exposed to ultraviolet rays to form a nano-crystalline thin film. The abovementioned process is repeatedly performed on the obtained nano-crystalline thin film. © KIPO 2006 ...

Preparation Of Nanoparticle Materials

A method of producing nanoparticles comprises effecting conversion of a nanoparticle precursor composition to the material of the nanoparticles. The precursor composition comprises a first precursor species containing a first ion to be incorporated into the growing nanoparticles and a separate second precursor species containing a second ion to be incorporated into the growing nanoparticles. The conversion is effected in the presence of a molecular cluster compound under conditions permitting seeding and growth of the nanoparticles.

Preparation of nanoparticle materials

SEMICONDUCTOR NANOCRYSTAL PROBES FOR BIOLOGICAL APPLICATIONS

A semiconductor nanocrystal compound capable of linking to one or more affinity molecules comprising (1) one or more semiconductor nanocrystals capable of, in response to exposure to a first energy, providing a second energy, and (2) one or more linking agents, having a first portion linked to the one or more semiconductor nanocrystals and a second portion capable of linking to one or more affinity molecules. One or more of semiconductor nanocrystal compounds linked to one or more affinity molecules to form a semiconductor nanocrystal probe capable of bonding with one or more detectable substances in a material being analyzed, and are capable of, in response to exposure to a first energy, providing a second energy. The probe is capable of emitting electromagnetic radiation in a narrow wavelength band and/or absorbing, scattering, or diffracting energy when excited by an electromagnetic radiation source of narrow or broad bandwidth, or a particle beam. The probe is stable to repeated exposure ...

III-V SEMICONDUCTOR NANOCRYSTAL COMPLEXES AND METHODS OF MAKING SAME

A semiconductor nanocrystal complex that is stable and has high luminescent quantum yield. The semiconductor nanocrystal complex has a semiconductor nanocrystal core of a III-V semiconductor nanocrystal material. A method of making a semiconductor nanocrystal complex is also provided. The method includes synthesizing a semiconductor nanocrystal core of a III-V semiconductor nanocrystal material, and forming a metal layer on the semiconductor nanocrystal core after synthesis of the semiconductor nanocrystal core.

III-V semiconductor nanocrystal complexes and methods of making same

A semiconductor nanocrystal complex that is stable and has high luminescent quantum yield. The semiconductor nanocrystal complex has a semiconductor nanocrystal core of a III-V semiconductor nanocrystal material. A method of making a semiconductor nanocrystal complex is also provided. The method includes synthesizing a semiconductor nanocrystal core of a III-V semiconductor nanocrystal material, and forming a metal layer on the semiconductor nanocrystal core after synthesis of the semiconductor nanocrystal core.

Semiconductor nanocrystal complexes comprising a metal coating and methods of making same

A semiconductor nanocrystal complex including a metal layer formed on the outer surface of a semiconductor nanocrystal core after synthesis of the semiconductor nanocrystal core and a method for preparing a nanocrystal complex comprising forming a metal layer on a semiconductor nanocrystal core after synthesis of the semiconductor nanocrystal core. The metal layer may passivate the surface of the semiconductor nanocrystal core and protect the semiconductor nanocrystal core from the effects of oxidation. Also provided is a semiconductor nanocrystal complex with a shell grown onto the metal layer formed on the semiconductor nanocrystal core. In this embodiment, the metal layer may prevent lattice mismatch between the semiconductor shell and the semiconductor nanocrystal core.

YTTRIUM SUBSTITUTED BARIUM THIOALUMINATE PHOSPHOR MATERIALS

A thin film phosphor for an electroluminescent device, the phosphor being selected from the group consisting of thiasluminates, thiogallates and thioindates having at least one cation selected from elements of Groups IIA and IIB of the Periodic Table of Elements. The phosphor being activated by a rare earth metal and containing a Group IIIB element as a partial substitute for a portion of aluminum, gallium or indium of the thiogallate, thioindate and thioaluminate. The phosphor provides improved luminance. An electroluminescent device consisting of the thin film phosphor on a substrate is also described.

PREPARATION OF NANOPARTICLE MATERIALS

... ²²²A method of producing nanoparticles comprises effecting conversion of a ²nanoparticle precursor composition to the material of the nanoparticles. The ²precursor composition comprises a first precursor species containing a first ²ion to be incorporated into the growing nanoparticles and a separate second ²precursor species containing a second ion to be incorporated into the growing ²nanoparticles. The conversion is effected in the presence of a molecular ²cluster compound under conditions permitting seeding and growth of the ²nanoparticles.² ...

YTTRIUM SUBSTITUTED BARIUM THIOALUMINATE PHOSPHOR MATERIALS

A thin film phosphor for an electroluminescent device, the phosphor being selected from the group consisting of thioaluminates, thiogallates and thioindates having at least one cation selected from elements of Groups IIA and IIB of the Periodic Table of Elements. The phosphor being activated by a rare earth metal and containing a Group IIIB element as a partial substitute for a portion of aluminum, gallium or indium of said thiogallate, thioindate and thioaluminate. The phosphor provides improved luminance. An electroluminescent device comprising the thin film phosphor on a substrate is also described.

Phosphor based on a combination of quantum dot and conventional phosphors

SEMICONDUCTOR NANOCRYSTAL PROBES FOR BIOLOGICAL APPLICATIONS

A semiconductor nanocrystal compound capable of linking to one or more affinity molecules comprising (1) one or more semiconductor nanocrystals capable of, in response to exposure to a first energy, providin g a second energy, and (2) one or more linking agents, having a first portion linked to the one or more semiconductor nanocrystals and a second portion capable of linking to one or more affinity molecules. One or more of semiconductor nanocrystal compounds linked to one or more affinity molecules to form a semiconductor nanocrystal probe capable of bonding with one or more detectable substances in a material bein g analyzed, and are capable of, in response to exposure to a first energy, providing a second energy. The probe is capable of emitting electromagnetic radiation in a narrow wavelength band and/or absorbing, scattering, or diffracting energy when excited by an electromagnetic radiation source of narrow or broad bandwidth, or a particle beam. The probe is stable to repeated exposure to energy in the presence of oxygen and/or other radicals.

Semiconductor nanocrystal probes for biological applications and process for making and using such probes

A semiconductor nanocrystal compound is described which is capable of linking to one or more affinity molecules. The compound comprises (1) one or more semiconductor nanocrystals capable of, in response to exposure to a first energy, providing a second energy, and (2) one or more linking agents, having a first portion linked to the one or more semiconductor nanocrystals and a second portion capable of linking to one or more affinity molecules. One or more of these semiconductor nanocrystal compounds are linked to one or more affinity molecules to form a semiconductor nanocrystal probe capable of bonding with one or more detectable substances in a material being analyzed, and capable of, in response to exposure to a first energy, providing a second energy. In one embodiment, the probe is capable of emitting electromagnetic radiation in a narrow wavelength band and/or absorbing, scattering, or diffracting energy when excited by an electromagnetic radiation source (of narrow or broad bandwidth ...

Preparation of nanoparticle materials

Quantum dot and manufacturing method for the same and application using the same

A quantum dot and a manufacturing method for the same, and a light-emitting material, a light emitting element, and a display device using the quantum are provided. The quantum dot includes a core body and a shell layer. The core body is at least one selected from the group consisting of a XII-XV group compound semiconductor nano-crystal, a XII-XVI group compound semiconductor nano-crystal, a XIII-XV group compound semiconductor nano-crystal, and a XIII-XVI group compound semiconductor nano-crystal, and the core body contains elements of cadmium and selenium. The shell layer contains elements of zinc and sulfur, and covers the core body. Based on a total content of the elements cadmium, selenium, zinc and sulfur of the quantum dot, a zinc content is 51at%~64at%, and a sulfur content is 32at%~38at%.

Highly luminescent color-selective nanocrystalline materials

A nanocrystal capable of light emission includes a nanoparticle having photoluminescence having quantum yields of greater than 30%.

SEMICONDUCTOR NANOCRYSTAL PROBE FOR BIOLOGICAL APPLICATION

PROBLEM TO BE SOLVED: To provide a semiconductor nanocrystal compound. SOLUTION: The semiconductor nanocrystal compound is capable of linking to one or more affinity molecules and comprises (1) one or more semiconductor nanocrystals capable of, in response to exposure to a first energy, providing a second energy and (2) one or more linking agents having a first portion linking to the one or more semiconductor nanocrystals and a second portion capable of linking to one or more affinity molecules. One or more of semiconductor nanocrystal compounds link to one or more affinity molecules, link to a semiconductor nanocrystal probe, are bonded to one or more detectable substances in a material being analyzed, and are capable of providing a second energy in response to a first energy. The probe is capable of emitting electromagnetic radiation in a narrow wavelength band and/or capable of absorbing, scattering or diffracting energy when excited by an electromagnetic radiation source of narrow or ...

Quantenpunkt-Wellenlängenwandler, Verfahren zum Herstellen desselben und Lichtemissionsvorrichtung einschließlich desselben

Es wird ein Quantenpunkt-Wellenlängenwandler angegeben, der einen Quantenpunkt enthält, der optisch stabil ist, keine Änderung in der Emissionswellenlängenwelle erfährt und eine verbesserte Emissionsfähigkeit aufweist. Der Quantenpunkt-Wellenlängenwandler umfasst: einen Wellenlängenwandlungsteil mit einem Quantenpunkt zum Wandeln der Wellenlänge eines Erregungslichts und zum Erzeugen eines in der Wellenlänge gewandelten Lichts und mit einem dispersiven Medium zum Dispergieren des Quantenpunkts, sowie weiterhin einen Versiegeler zum Versiegeln des Wellenlängenwandlungsteils.

QUANTUM DOT WAVELENGTH CONVERTER, METHOD FOR MANUFACTURING QUANTUM DOT WAVELENGTH CONVERTER, AND LIGHT EMITTING DEVICE INCLUDING QUANTUM DOT WAVELENGTH CONVERTER

PROBLEM TO BE SOLVED: To provide a quantum dot wavelength converter including quantum dots which do not have change of an emission wavelength range, is optically stable, and has improved luminescence performance. SOLUTION: The quantum dot wavelength converter 100 includes a wavelength converting section 110 that includes quantum dots 111 and a dispersing medium 112 which disperses the quantum dots, a sealing member 120 that seals the wavelength converting section. The quantum dots include at least one of Si nanocrystal, or II-VI, III-V, or IV-VI compound semiconductor nanocrystal and a mixture of these. The dispersing medium and the sealing member are formed with resin. COPYRIGHT: (C)2010,JPO&INPIT ...

Phospor based on a combination of quantum dot and conventional phosphors

A phosphor composition and a light source constructed therefrom are disclosed. The phosphor composition includes first (21, 22) and second (23, 24, 25) phosphors. The first phosphor (21, 22) includes first phosphor particles that convert light of an excitation wavelength to light having a first spectrum characterized by an intensity of light that varies as a function of wavelength. The first phosphor particles are chosen such that the first spectrum is independent of the size of the particles. The second phosphor (23, 24, 25) includes particles of a QD phosphor that convert the excitation light to light in a QD phosphor spectrum. The first phosphor particles and the QD phosphor particles are present in a ratio of concentration. The ratio, the first phosphor particles, and the QD phosphor particles are chosen such that a combined spectrum has an intensity that is more uniform as a function of wavelength than either the QD phosphor spectrum or the first spectrum.

Semiconductor nanocrystal probes for biological applications and process for making and using such probes

A semiconductor nanocrystal compound is described which is capable of linking to one or more affinity molecules. The compound comprises (1) one or more semiconductor nanocrystals capable of, in response to exposure to a first energy, providing a second energy, and (2) one or more linking agents, having a first portion linked to the one or more semiconductor nanocrystals and a second portion capable of linking to one or more affinity molecules. One or more of these semiconductor nanocrystal compounds are linked to one or more affinity molecules to form a semiconductor nanocrystal probe capable of bonding with one or more detectable substances in a material being analyzed, and capable of, in response to exposure to a first energy, providing a second energy. In one embodiment, the probe is capable of emitting electromagnetic radiation in a narrow wavelength band and/or absorbing, scattering, or diffracting energy when excited by an electromagnetic radiation source (of narrow or broad bandwidth ...

Sicherheitselement mit Farbumschlag

Die Erfindung betrifft ein Sicherheitselement und eine Farbe, umfassend mindestens ein Farbmittel, welches unter Bestrahlung mit elektromagnetischer Anregungsstrahlung eine Lumineszenzstrahlung emittiert, wobei a) das Farbmittel unter der Bestrahlung zunächst eine Lumineszenzstrahlung emittiert, dessen Intensität bei fortdauernder Bestrahlung mit der Anregungsstrahlung innerhalb eines ersten Zeitintervalls abnimmt oder nahezu verschwindet, und b) das Farbmittel so beschaffen ist, dass sich nach einer Regenerationszeitspanne, in der das Farbmittel nicht mit der Anregungsstrahlung bestrahlt wird, der unter a) beschriebene Effekt erneut beobachten lässt. Die Erfindung betrifft ferner Wert- und/oder Sicherheitsdokumente, die ein solches Sicherheitselement oder eine solche Farbe umfassen, sowie ein Verifikationsverfahren. The invention relates to a security element and a color, comprising at least one colorant which, when irradiated with electromagnetic excitation radiation, emits luminescence radiation, wherein a) the colorant initially emits luminescence radiation under the irradiation, the intensity of which decreases within a first time interval with continued irradiation with the excitation radiation or almost disappears, and b) the colorant is such that, after a regeneration period in which the colorant is not irradiated with the excitation radiation, the effect described under a) can be observed again. The invention also relates to documents of value and / or security documents which comprise such a security element or such a color, as well as a verification method.

QUANTUM DOT-WAVELENGTH CONVERSION DEVICE, A METHOD FOR MANUFACTURING THE SAME AND A LIGHT EMITTING DEVICE INCLUDING THE SAME, CAPABLE OF ADJUSTING THE INTENSITY AND THE WAVELENGTH OF RADIATION

PURPOSE: A quantum dot-wavelength conversion device, a method for manufacturing the same and a light emitting device including the same are provided to improve the optical stability and the radiation performance of the quantum dot-wavelength conversion device. CONSTITUTION: A quantum dot-wavelength conversion(100) includes a wavelength conversion unit(110) and a sealing unit(120). The wavelength conversion unit includes a quantum dot(111) and a dispersion medium(112). The quantum dot converts the wavelength of an excitation light and generates a wavelength-converted light. The dispersion medium disperses the quantum dot. The sealing unit seals the wavelength conversion unit. The quantum dot includes one or more semiconductive nano-crystalline. COPYRIGHT KIPO 2010 ...

PREPARATION OF NANOPARTICLE MATERIALS

A method of producing nanoparticles comprises effecting conversion of a nanoparticle precursor composition to the material of the nanoparticles. The precursor composition comprises a first precursor species containing a first ion to be incorporated into the growing nanoparticles and a separate second precursor species containing a second ion to be incorporated into the growing nanoparticles. The conversion is effected in the presence of a molecular cluster compound under conditions permitting seeding and growth of the nanoparticles.

Highly luminescent color-selective nanocrystalline materials

A nanocrystal capable of light emission includes a nanoparticle having photoluminescence having quantum yields of greater than 30%.

Phosphorescent solid body, organic electroluminescent element, and organic electroluminescent device

The present invention provides a phosphorescence emitting solid comprising an organometallic complex which has a tridentate ligand coordinating to a central metal through two nitrogen atoms and one carbon atom positioning between said two nitrogen atoms and binding with said two nitrogen atoms via bonds and has a halogen atom as a ligand. The present invention also provides a luminescent element using the solid and an organic EL device using the element. The phosphorescence emitting solid can emit a phosphorescence having very high intensity in a solid state, and thus, the use of the solid in an organic EL element allows the significant improvement of the luminous efficiency, which results in the reduction of electric power consumption in an organic EL device.

III-V semiconductor nanocrystal complexes and methods of making same

A semiconductor nanocrystal complex that is stable and has high luminescent quantum yield. The semiconductor nanocrystal complex has a semiconductor nanocrystal core of a III-V semiconductor nanocrystal material. A method of making a semiconductor nanocrystal complex is also provided. The method includes synthesizing a semiconductor nanocrystal core of a III-V semiconductor nanocrystal material, and forming a metal layer on the semiconductor nanocrystal core after synthesis of the semiconductor nanocrystal core.

LED LIGHT SOURCE STRUCTURE AND PACKAGING METHOD

An LED light source structure includes: a fixing bracket, an LED chip, a packaging gel and a quantum-dot glass box. The fixing bracket has a packaging slot and an installation slot from a bottom portion to a top portion of the fixing bracket, and a width of the installation slot is greater than a width of the packaging slot. The LED chip is packaged into the packaging slot by the packaging gel; the installation slot has a size matching with the quantum-dot glass box; the quantum-dot glass box is clamped and placed in the installation slot. The quantum-dot glass box includes a glass box and a quantum-dot fluorescent powder material, the glass box has a receiving cavity, and the quantum-dot fluorescent powder material is cured and packaged in the receiving cavity. A packaging method for the LED light source structure described above is also disclosed.

Semiconductor nanocrystal probes for biological applications

Multilayer polymer composite for encapsulating quantum dots

一种聚合物复合材料，其包含量子点和至少一种式(I)化合物的聚合单元 其中R 1 是氢或甲基并且R 2 是C 6 -C 20 脂肪族多环取代基。

QUANTUM DOT-WAVELENGTH CONVERTER, MANUFACTURING METHOD OF THE SAME AND LIGHT EMITTING DEVICE INCLUDING THE SAME

There is provided a quantum dot wavelength converter including a quantum dot, which is optically stable without any change in an emission wavelength and improved in emission capability. The quantum dot wavelength converter includes: a wavelength converting part including a quantum dot wavelength-converting excitation light and generating a wavelength-converted light and a dispersive medium dispersing the quantum dot; and a sealer sealing the wavelength converting part.

Multilayer polymer composite for encapsulating quantum dots

A polymer composite comprising quantum dots and polymerized units of at least one compound of formula (I) wherein R1 is hydrogen or methyl and R2 is a C6-C20 aliphatic polycyclic substituent.

A COMPOSITE MATERIAL

There is herein disclosed a composite material comprising nanoparticles capped with a hydrophobic ligand dispersed within a polymer matrix. The hydrophobic ligand is a fatty acid and/or selected from (R1)3P, (R2)3P(O), R3P(O)(OH)2, R4NH2, R5CO2H and mixtures thereof, wherein: R1 to R3 each independently represents a C8 to C24 straight- or branched-chain alkyl group that is saturated or unsaturated; R4 represents a C14 to C24 straight- or branched-chain alkyl group that is saturated or unsaturated; and R5 represents a C12 to C24 straight- or branched-chain alkyl group that is saturated or unsaturated, and methods for making the same.

Highly luminescent color-selective nanocrystalline materials

A nanocrystal capable of light emission includes a nanoparticle having photoluminescence having quantum yields of greater than 30%.

Tellurium-containing nanocrystalline materials

Tellurium-containing nanocrystallites are produced by injection of a precursor into a hot coordinating solvent, followed by controlled growth and annealing. Nanocrystallites may include CdTe, ZnTe, MgTe, HgTe, or alloys thereof. The nanocrystallites can photoluminesce with quantum efficiencies as high as 70%.

Quantum dot-wavelength conversion device, preparing method of the same and light-emitting device comprising the same

발광파장대의 변화없이 광학적으로 안정하고 발광성능이 향상된 양자점을 포함하는 양자점 파장변환체가 제안된다. 본 발명의 양자점 파장변환체는, 양자점 및 상기 양자점을 분산시키는 분산매질을 포함하는 파장변환부; 및 파장변환부를 밀봉하는 밀봉부재;를 포함한다. A quantum dot wavelength converter including a quantum dot that is optically stable and has improved luminous performance without changing the emission wavelength band is proposed. A quantum dot wavelength converter of the present invention, the wavelength conversion unit including a quantum dot and a dispersion medium for dispersing the quantum dot; And a sealing member for sealing the wavelength conversion portion. 양자점, 파장변환, 밀봉부재 QD, wavelength conversion, sealing member

양자점 컴포지트, 그의 제조방법 및 그를 포함한 디스플레이용 광학 모듈

본 발명은 양자점 컴포지트, 그의 제조방법 및 그를 포함한 디스플레이용 광학 모듈에 관한 것이다. 본 발명의 양자점 컴포지트는 실라잔 화합물로 이루어진 한 무기 매트릭스 내에 반도성 양자점 나노입자가 분산된 양자점-무기 매트릭스를 다공성 무기질 비드에 담지하고 상기 비드 기공을 폐쇄하여, 안정적으로 다량의 양자점을 비드에 밀봉함으로써, 양자점의 색재현율을 향상하고, 양자점이 수분 투과 및 산소와의 접촉에 의한 광 특성 저하를 억제함으로써 신뢰성을 향상시키며 포함한 디스플레이용 광학 모듈에 유용하다.

YTTRIUM SUBSTITUTED BARIUM THIOALUMINATE PHOSPHOR MATERIALS

A thin film phosphor for an electroluminescent device, the phosphor being selected from the group consisting of thioaluminates, thiogallates and thioindates having at least one cation selected from elements of Groups IIA and IIB of the Periodic Table of Elements. The phosphor being activated by a rare earth metal and containing a Group IIIB element as a partial substitute for a portion of aluminum, gallium or indium of said thiogallate, thioindate and thioaluminate. The phosphor provides improved luminance. An electroluminescent device comprising the thin film phosphor on a substrate is also described.

Preparation of nanoparticle materials

A method of producing nanoparticles comprises effecting conversion of a nanoparticle precursor composition to the material of the nanoparticles. The precursor composition comprises a first precursor species containing a first ion to be incorporated into the growing nanoparticles and a separate second precursor species containing a second ion to be incorporated into the growing nanoparticles. The conversion is effected in the presence of a molecular cluster compound under conditions permitting seeding and growth of the nanoparticles.

Semiconductor nanocrystal probes for biological applications and process for making and using such probes

A semiconductor nanocrystal compound and probe are described. The compound is capable of linking to one or more affinity molecules. The compound comprises (1) one or more semiconductor nanocrystals capable of, in response to exposure to a first energy, providing a second energy, and (2) one or more linking agents, having a first portion linked to the one or more semiconductor nanocrystals and a second portion capable of linking to one or more affinity molecules. One or more semiconductor nanocrystal compounds are linked to one or more affinity molecules to form a semiconductor nanocrystal probe capable of bonding with one or more detectable substances in a material being analyzed, and capable of, in response to exposure to a first energy, providing a second energy. Also described are processes for respectively: making the semiconductor nanocrystal compound; making the semiconductor nanocrystal probe; and treating materials with the probe.

Method for in-situ modification of mercury quantum dots in traditional thermal injection process

The present disclosure relates to the field of preparation of compound semiconductor nanomaterials, and in particular to a method for in-situ modification of mercury quantum dots in a traditional thermal injection process. It is characterized in that, in the traditional thermal injection process for synthesis of HgTe quantum dots, after a certain reaction time, a low boiling point polar solvent that is incompatible with a reaction solvent is rapidly injected, so that an interfacial separation of two liquid phases occurs in a mixed reaction, and then a selective crystal oriented surface modification is conducted on surfaces of mercury quantum dots.

Semiconductor nanocrystal probes for biological applications

COMPOSITE LIGHT EMITTING MATERIAL AND A LIGHT EMITTING DEVICE COMPRISING THE SAME, TO SIMPLIFY AN ENTIRE STRUCTURE BY MIXING TWO OR MORE LIGHT EMITTING MATERIALS

PURPOSE: A composite light emitting material and a light emitting device comprising the same are provided to enhance a light emitting characteristic and to maximize an energy transfer effect by mixing properly light-emitting wavelengths and light-absorbing wavelengths of light emitting materials. CONSTITUTION: A composite light emitting material includes two or more elements of inorganic phosphor, a semiconductor nano-crystal, and an organic dye. The composite light emitting material is coated with the elements. The composite light emitting material includes the organic dye and the semiconductor nano-crystal within a transparent metal oxide matrix. The composite light emitting material includes a core material and a transparent coating layer. The core material is formed of inorganic phosphor and the semiconductor nano-crystal. © KIPO 2008 ...

PHOTOSENSITIVE RESIN COMPOSITION AND DISPLAY PANEL

According to the present invention, a photosensitive resin composition comprises 60-95 wt% of a solvent, and 5-40 wt% of solids. The solids include 5-90 wt% of quantum dots having a center emission wavelength of 900 nm or more and 2,000 nm or less. A display panel formed from the photosensitive resin composition absorbs light having a wavelength of visible rays, and emits light having a wavelength of infrared rays, thereby being useful for equipment using light having a wavelength of infrared rays, and improving medical and beauty treatment effects. COPYRIGHT KIPO 2016 ...

Systems and Methods for Quantum Dot on Nanoplatelet Heterostructures with Tunable Emission in the Shortwave Infrared

Many embodiments implement quantum confined nanoplatelets (NPLs) that can be induced to emit bright and tunable infrared emission from attached quantum dot (QD). Some embodiments provide mesoscale NPLs with a largest dimension of greater than 1 micron. Certain embodiments provide methods for growing mesoscale NPLs and QD on mesoscale NPLs heterostructures. Several embodiments provide near unity energy transfer from NPLs to QDs, which can quench NPL emission and emit with high quantum yield through the shortwave infrared. The QD defect emission can be kinetically tunable, enabling controlled mid-gap emission from NPLs.

INTRABAND TRANSITION-BASED INFRARED DEVICE OF NONSTOICHIOMETRIC QUANTUM DOTS

The present discloser relates to an infrared device using intra-band electron transition of non-stoichiometric quantum dots and, more specifically, to non-stoichiometric quantum dot nanoparticles and an infrared device comprising the nanoparticles, in which the nanoparticles comprise quantum dot cores and nonthiol ligands bonded to the core and emits infrared rays from electron transition between discrete energy levels in the band. The infrared device has an effect of emitting infrared rays, particularly, mid-infrared rays or far-infrared rays, by using the electron transition between discrete energy levels in the band of quantum dots in which the proportion of a metal is higher than that of a chalcogen. In addition, the quantum dots are prepared by containing nonthiol ligands, and thus, compared with a conventional thiol ligand, ligand substitution is very easy while the n-type doping of quantum dots is maintained. 1. Non-stoichiometric quantum dot nanoparticles comprising quantum dot cores and nonthiol ligands bonded to the core ,wherein infrared rays are emitted from electron transition between discrete energy levels in a band.2. The non-stoichiometric quantum dot nanoparticles of claim 1 , wherein the nonthiol ligand is bonded to 1 mol of the core at a molar ratio of 1 to 100.3. The non-stoichiometric quantum dot nanoparticles of claim 1 , wherein the energy level of the quantum dot is a S claim 1 , P claim 1 , or D level.4. The non-stoichiometric quantum dot nanoparticles of claim 1 , wherein the quantum dot has an average diameter of 1 to 20 nm.5. The non-stoichiometric quantum dot nanoparticles of claim 1 , wherein the larger the size of the quantum dot is claim 1 , the smaller wavenumber of the infrared rays is emitted.6. The non-stoichiometric quantum dot nanoparticles of claim 1 , wherein the infrared ray is a mid-infrared ray or a far-infrared ray.7. The non-stoichiometric quantum dot nanoparticles of claim 1 , wherein the quantum dot core is one or more ...

Highly Luminescent Color-Selective Nanocrystalline Materials

A nanocrystal capable of light emission includes a nanoparticle having photoluminescence having quantum yields of greater than 30%.

STABILIZED NANOCRYSTALS

잉크 조성물, 및 이를 이용하여 형성된 필름을 포함한 전자 장치

표면에 하나 이상의 리간드를 포함하는 양자점, 하나 이상의 에폭시기를 포함하는 제1단량체, 및 하나 이상의 옥세탄기를 포함하는 제2단량체를 포함하고, 상기 리간드는 극성 모이어티를 하나 이상 포함하는, 잉크 조성물이 개시된다. 또한, 상술한 잉크 조성물을 이용하여 형성된 필름을 포함하는 전자 장치가 개시된다.

Phosphor based on a combination of quantum dot and conventional phosphors

III-V SEMICONDUCTOR NANOCRYSTAL COMPLEXES AND METHODS OF MAKING SAME

A semiconductor nanocrystal complex that is stable and has high luminescent quantum yield. The semiconductor nanocrystal complex has a semiconductor nanocrystal core of a III-V semiconductor nanocrystal material. A method of making a semiconductor nanocrystal complex is also provided. The method includes synthesizing a semiconductor nanocrystal core of a III-V semiconductor nanocrystal material, and forming a metal layer on the semiconductor nanocrystal core after synthesis of the semiconductor nanocrystal core.

Quantum rod composition, quantum rod polaroid and manufacturing method thereof

Method for preparing a multi-layer of nano-crystals and organic-inorganic hybrid electro-luminescence device using the same

본 발명은 나노 결정의 다층 박막 제조방법과 이를 이용한 유·무기 하이브리드 전기 발광 소자에 관한 것으로, 더욱 상세하게는 (i) 감광성 화합물에 의해 표면 배위된 나노 결정 또는 감광기와 혼합 가능한 물질에 의해 표면 배위된 나노 결정과 감광성 화합물의 혼합액을 기판 위에 코팅하고, 건조한 후 자외선에 노광하여 나노 결정 박막을 형성하는 단계; 및 (ii) 상기 (i) 단계에서 수득된 나노 결정 박막 위에 상기 (i) 단계를 반복하는 단계를 포함하는 나노 결정의 다층 박막 제조방법과 상기 방법에 의해 제조된 나노 결정의 다층 박막 을 발광층으로 이용한 유·무기 하이브리드 전기 발광 소자에 관한 것이다. 본 발명의 유·무기 하이브리드 전기 발광 소자는 본 발명에서 제조된 나노 결정의 다층 박막을 발광층으로 이용함으로써 발광 효율과 발광 세기를 증진시킬 수 있고, 발광 소자의 전기적 특성도 조절할 수 있다. The present invention relates to a method for manufacturing a multi-layer thin film of nanocrystals and an organic-inorganic hybrid electroluminescent device using the same, and more particularly, (i) surface coordination by a material capable of mixing with a nanocrystal or photosensitive member surface coordinated by a photosensitive compound Coating the mixed solution of the nanocrystals and the photosensitive compound on a substrate, and drying and exposing to a UV light to form a nanocrystal thin film; And (ii) repeating the step (i) on the nanocrystal thin film obtained in step (i) and the multilayer thin film of nanocrystals prepared by the method as a light emitting layer. It relates to an organic / inorganic hybrid electroluminescent device used. The organic-inorganic hybrid electroluminescent device of the present invention can improve luminous efficiency and luminous intensity by using a multilayer thin film of nanocrystals prepared in the present invention as a light emitting layer, and can also control electrical characteristics of the light emitting device. 나노 결정, 다층 박막, 전기 발광 소자, 발광층, Nano crystal, multilayer thin film, electroluminescent device, light emitting layer,

HIGHLY EMISSIVE SHORT WAVE INFRARED NANOPARTICLES AND METHOD FOR PREPARING THE SAME

... 본 발명은 E1의 밴드갭 에너지를 갖는 코어; 상기 코어 상에 형성되고 E2의 밴드갭 에너지를 갖는 중간층; 및 상기 중간층 상에 형성되고 E3의 밴드갭 에너지를 갖는 외부층을 포함하고, 상기 E2의 크기는 상기 E1 및 E3의 크기보다 작은 것을 특징으로 하는 단파 적외선 발광 나노입자를 제공한다. 본 발명에 따르면 효율 및 구동 수명이 향상되고 용액공정으로 제조 가능한 태양전지를 제공할 수 있다.

Semiconductor nanocrystal probes for biological applications and process for making and using such probes

A semiconductor nanocrystal compound and probe are described. The compound is capable of linking to one or more affinity molecules. The compound comprises (1) one or more semiconductor nanocrystals capable of, in response to exposure to a first energy, providing a second energy, and (2) one or more linking agents, having a first portion linked to the one or more semiconductor nanocrystals and a second portion capable of linking to one or more affinity molecules. One or more semiconductor nanocrystal compounds are linked to one or more affinity molecules to form a semiconductor nanocrystal probe capable of bonding with one or more detectable substances in a material being analyzed, and capable of, in response to exposure to a first energy, providing a second energy. Also described are processes for respectively: making the semiconductor nanocrystal compound; making the semiconductor nanocrystal probe; and treating materials with the probe.

YTTRIUM-SUBSTITUIERTE BARIUM-THIOALUMINATE-PHOSPHORMATERIALIEN

METHOD OF PREPARATION OF NANOPARTICLES USING MERCURY THIOLATE COMPOUNDS

A method of preparation of mercury chalcogenide nanoparticles that includes the steps of providing a precursor of mercury and mixing the precursor of mercury with a precursor of chalcogenide, wherein the precursor of mercury is a mercury thiolate. Also, mercury telluride nanoparticles and their use in an IR photodetector, an IR photoconversion device, an IR filter or an IR photodiode. 1. A method of preparation of HgX nanoparticles comprising the steps of providing a precursor of Hg and mixing said precursor of Hg with a precursor of X , wherein precursor of Hg is a Hg thiolate and X is a chalcogenide.2. The method according to claim 1 , wherein mixing is done in a coordinating solvent claim 1 , preferably an amine claim 1 , more preferably oleylamine3. The method according to claim 1 , wherein X is a chalcogenide selected from Te claim 1 , Se and S claim 1 , preferably X is Te.4. The method according to claim 1 , wherein precursor of X is selected from TOPTE claim 1 , (NH)S and elemental Se.5. The method according to claim 1 , wherein Hg thiolate is a salt of Hg at oxidation state +II.6. The method according to claim 1 , wherein Hg thiolate is prepared by reaction of liquid Hg with thiol claim 1 , preferably under sonication conditions.7. The method according to claim 6 , wherein an oxidizing agent is added during reaction of liquid Hg with thiol claim 6 , preferably oxidizing agent is iodine I.8. HgTe nanoparticles having a confinement energy greater than 5000 cmand having a ratio of electron mobility and hole mobility greater than 1 claim 6 , preferably greater than 5.9. HgTe nanoparticles having a confinement energy less than 4500 cmand having a ratio of electron mobility and hole mobility less than 1 claim 6 , preferably less than 0.1.10. HgTe nanoparticles according to claim 8 ,wherein HgTe nanoparticles surface is capped with thiols.11. An optoelectronic device comprising the HgTe nanoparticles according to claim 8 , wherein the optoelectronic device is ...

Preparation Of Nanoparticle Materials

A method of producing nanoparticles comprises effecting conversion of a nanoparticle precursor composition to the material of the nanoparticles. The precursor composition comprises a first precursor species containing a first ion to be incorporated into the growing nanoparticles and a separate second precursor species containing a second ion to be incorporated into the growing nanoparticles. The conversion is effected in the presence of a molecular cluster compound under conditions permitting seeding and growth of the nanoparticles.

BRIGHTNESS EQUALIZED QUANTUM DOTS

The present invention relates to brightness equalized quantum dots (QDs). These quantum dots are semiconductor nanocrystals having tunable fluorescence brightness across a broad range of emission colors and excitation wavelengths, enabling equalization of the light output of an array of these dots. This tunability and equalization is achieved by the chemical and structural design of the nanocrystals to obtain a predefined emission wavelength, extinction coefficient, and quantum yield for a given excitation input. These quantum dots provide improved performance for a variety of optical applications, including, e.g., fluorescence probes, solar panels, displays, and computational devices.

PREPARATION OF NANOPARTICLE MATERIALS

YTTRIUM SUBSTITUTED BARIUM THIOALUMINATE PHOSPHOR MATERIALS

A thin film phosphor for an electroluminescent device, the phosphor being selected from the group consisting of thioaluminates, thiogallates and thioindates having at least one cation selected from elements of Groups IIA and IIB of the Periodic Table of Elements. The phosphor being activated by a rare earth metal and containing a Group IIIB element as a partial substitute for a portion of aluminum, gallium or indium of said thiogallate, thioindate and thioaluminate. The phosphor provides improved luminance. An electroluminescent device comprising the thin film phosphor on a substrate is also described. © KIPO & WIPO 2007 ...

Preparation of Nanoparticle Materials

A method of producing nanoparticles comprises effecting conversion of a nanoparticle precursor composition to the material of the nanoparticles. The precursor composition comprises a first precursor species containing a first ion to be incorporated into the growing nanoparticles and a separate second precursor species containing a second ion to be incorporated into the growing nanoparticles. The conversion is effected in the presence of a molecular cluster compound under conditions permitting seeding and growth of the nanoparticles.

YTTRIUM SUBSTITUTED BARIUM THIOALUMINATE PHOSPHOR MATERIALS

QUANTUM DOT COMPOSITE, MANUFACTURING METHOD THEREOF, AND OPTICAL MODULE FOR DISPLAY INCLUDING SAME

The present invention relates to a quantum dot composite, a manufacturing method thereof, and an optical module for a display including the same. The quantum dot composite of the present invention supports a quantum dot-inorganic matrix in which semiconductive quantum dot nanoparticles are distributed on a porous inorganic bead within an inorganic matrix composed of a silazane compound, and closes the bead pores, thereby stably sealing a large amount of quantum dots in the bead. Therefore, color reproducibility of the quantum dot can be improved, and the quantum dot suppresses optical property degradation due to moisture penetration and contact with oxygen, thereby improving reliability. COPYRIGHT KIPO 2018 ...

III-V SEMICONDUCTOR NANOCRYSTAL COMPLEXES AND METHODS OF MAKING SAME

A semiconductor nanocrystal complex that is stable and has high luminescent quantum yield. The semiconductor nanocrystal complex has a semiconductor nanocrystal core of a III-V semiconductor nanocrystal material. A method of making a semiconductor nanocrystal complex is also provided. The method includes synthesizing a semiconductor nanocrystal core of a III-V semiconductor nanocrystal material, and forming a metal layer on the semiconductor nanocrystal core after synthesis of the semiconductor nanocrystal core.

Semiconductor nanocrystal probes for biological applications

Quantum dot-wavelength converter, manufacturing method of the same and light emitting device including the same

DISPLAY DEVICE INCLUDING ANGULAR FILTER

According to an embodiment of the present invention, provided is a display device which includes a backlight unit for emitting light, a first substrate arranged on a path of the light emitted from the backlight unit, a pixel electrode arranged on the first substrate, a luminous intensity control layer arranged on the pixel electrode, a first polarization plate arranged on the luminous intensity control layer, a color conversion layer arranged on the first polarization plate, and an angular filter arranged between the backlight unit and the color conversion layer. The color conversion layer includes a phosphor and the angular filter blocks 50% or more of light which is incident at an incidence angle of 30 degrees or more with regard to the angular filter. Accordingly, the present invention can obtain a high contrast ratio. COPYRIGHT KIPO 2018 ...

Methods of use of semiconductor nanocrystal probes for treating a material

A semiconductor nanocrystal compound and probe are described. The compound is capable of linking to one or more affinity molecules. The compound comprises (1) one or more semiconductor nanocrystals capable of, in response to exposure to a first energy, providing a second energy, and (2) one or more linking agents, having a first portion linked to one or more semiconductor nanocrystals and a second portion capable of linking to one or more affinity molecules. One or more semiconductor nanocrystal compounds are linked to one or more affinity molecules to form a semiconductor nanocrystal probe capable of bonding with one or more detectable substances in a material being analyzed, and capable of, in response to exposure to a first energy, providing a second energy. Also described are processes for respectively: making the semiconductor nanocrystal compound; making the semiconductor nanocrystal probe; and treating materials with the probe.

Anwendung Cadmium-freier Quantenpunkte als Fluoreszenzstandards und zur Signalreferenzierung sowie als interne Lichtquelle für Sensormaterialien

Es wird vorgeschlagen, ein cadmiumfreies Nanopartikel, das einen ternären I-III-VI Quantenpunkt (t-QD) umfasst, als spektralen Fluoreszenzstandard, zur Signalreferenzierung, als internen Standard, als interne Lichtquelle für Sensormaterialien bzw. optische Messanordnungen, und/oder in Kombination mit einem bei Analyt-Kontakt fluoreszierenden Indikatormolekül in einer analytsensitiven Schicht zu verwenden, wobei der t-QD direkt oder mit einer Schale bzw. Oberflächenpassivierung versehen vorliegt, wobei die Schale bzw. Oberflächenpassivierung zumindest eines von ZnS, ZnSe und ZnTe umfasst, und wobei I ausgewählt ist unter: Ag, Cu und Hg; III ausgewählt ist unter Al, Ga, In und Tl; und VI ausgewählt ist unter S, Se und Te.

SEMICONDUCTOR NANOCRYSTAL PROBES FOR BIOLOGICAL APPLICATIONS

L'invention concerne un composé de nanocrystaux semi-conducteurs capable de se lier à au moins une molécule d'affinité qui comprend (1) au moins un nanocrystal semi-conducteur capable, en réponse à une exposition à une première énergie, de produire une seconde énergie, et (2) au moins un agent de liaison, pourvu d'une première zone liée à au moins un nanocrystal semi-conducteur et d'une seconde zone capable de se lier à au moins une molécule d'affinité. Au moins un composé de nanocrystaux semi-conducteurs lié à au moins une molécule d'affinité afin de constituer une sonde de nanocrystaux semi-conducteurs capable de se lier à au moins une substance décelable dans une matière en cours d'analyse, peut en réponse à une exposition à une première énergie produire une seconde énergie. La sonde peut émettre un rayonnement électromagnétique dans une bande de longueur d'onde étroite et/ou absorber, diffuser, ou diffracter de l'énergie, lorsqu'elle est excitée par une source de rayonnements électromagnétiques ...

PREPARATION OF NANOPARTICLE MATERIALS

Quantum Dot Layer and Manufacturing Method Thereof, Quantum Dot Color Filter, Color Filter Substrate, Display Panel, and Display Device

The present disclosure relates to a manufacturing method of a quantum dot layer, a quantum dot color filter, a color filter substrate, a display panel, and a display device. The manufacturing method includes: performing lyophobic treatment on a first specified region of a first transparent layer, the first transparent layer including regions corresponding to a plurality of pixel regions, each pixel region of the plurality of pixel regions comprising a first subpixel region and a region other than the first subpixel region, the first specified region corresponding to the region other than the first subpixel region; and preparing a lyophilic first quantum dot solution on the first transparent layer to form a first quantum dot sublayer in a region that corresponds to the first subpixel region and is not subjected to the lyophobic. 1. A manufacturing method of a quantum dot layer , comprising:performing lyophobic treatment on a first specified region of a first transparent layer, the first transparent layer comprising regions corresponding to a plurality of pixel regions, each pixel region of the plurality of pixel regions comprising a first subpixel region and a region other than the first subpixel region, the first specified region corresponding to the region other than the first subpixel region; andpreparing a lyophilic first quantum dot solution on the first transparent layer to form a first quantum dot sublayer in a region that corresponds to the first subpixel region and is not subjected to the lyophobic treatment.2. The manufacturing method according to claim 1 , wherein the region other than the first subpixel region comprises a second subpixel region claim 1 , andthe manufacturing method further comprises:forming a second transparent layer after forming the first quantum dot sublayer;performing lyophobic treatment on a second specified region of the second transparent layer, the second specified region corresponding to a region other than the second subpixel ...

DISPLAY DEVICE USING QUANTUM DOTS FOR PREVENTING THE NARROWING OF THE VIEWING ANGLE DUE TO REFRACTIVE ANISOTROPY OF THE LIQUID CRYSTAL MOLECULE

PURPOSE: A display device using quantum dots is provided to prevent the narrowing of a viewing angle due to refractive anisotropy of the liquid crystal molecule. CONSTITUTION: A display device using quantum dots comprises a first and a second substrates(101,103) facing each other, a partition wall(105) formed between the first and the second substrates defining unit pixel region, a first electrode formed on the first substrate, a second electrode formed corresponding to the first electrode, a backlight unit including UV, and a UV shielding layer(30) formed on the upper part of the second substrate. COPYRIGHT KIPO 2011 ...

Semiconductor nanocrystal probes for biological applications and process for making and using such probes

A semiconductor nanocrystal compound and probe are described. The compound is capable of linking to one or more affinity molecules. The compound comprises (1) one or more semiconductor nanocrystals capable of, in response to exposure to a first energy, providing a second energy, and (2) one or more linking agents, having a first portion linked to the one or more semiconductor nanocrystals and a second portion capable of linking to one or more affinity molecules. One or more semiconductor nanocrystal compounds are linked to one or more affinity molecules to form a semiconductor nanocrystal probe capable of bonding with one or more detectable substances in a material being analyzed, and capable of, in response to exposure to a first energy, providing a second energy. Also described are processes for respectively: making the semiconductor nanocrystal compound; making the semiconductor nanocrystal probe; and treating materials with the probe.

QUANTUM DOT-WAVELENGTH CONVERTER, MANUFACTURING METHOD OF THE SAME AND LIGHT EMITTING DEVICE INCLUDING THE SAME

There is provided a quantum dot wavelength converter including a quantum dot, which is optically stable without any change in an emission wavelength and improved in emission capability. The quantum dot wavelength converter includes: a wavelength converting part including a quantum dot wavelength-converting excitation light and generating a wavelength-converted light and a dispersive medium dispersing the quantum dot; and a sealer sealing the wavelength converting part.

QUANTUM DOT-WAVELENGTH CONVERTER, METHOD OF MANUFACTURING THE SAME, AND LIGHT-EMITTING DEVICE INCLUDING THE SAME

PROBLEM TO BE SOLVED: To provide a quantum dot-wavelength converter which includes a quantum dot optically stable without causing the change of a light emitting wavelength band, and improved in light emission performance. SOLUTION: This quantum dot-wavelength converter 100 includes: a wavelength conversion part 110 including a quantum dot 111 for generating wavelength-converted light by subjecting excitation light to wavelength conversion, and a dispersion medium 112 for dispersing the quantum dot; and a sealing member 120 for sealing the wavelength conversion part. COPYRIGHT: (C)2011,JPO&INPIT ...

Preparation of nanoparticle materials

A method of producing nanoparticles comprises effecting conversion of a nanoparticle precursor composition to the material of the nanoparticles. The precursor composition comprises a first precursor species containing a first ion to be incorporated into the growing nanoparticles and a separate second precursor species containing a second ion to be incorporated into the growing nanoparticles. The conversion is effected in the presence of a molecular cluster compound under conditions permitting seeding and growth of the nanoparticles.

SEMICONDUCTOR NANOCRYSTAL PROBES FOR BIOLOGICAL APPLICATIONS AND PROCESS FOR MAKING AND USING SUCH PROBES

A semiconductor nanocrystal compound and probe are described. The compound is capable of linking to one or more affinity molecules. The compound comprises (1) one or more semiconductor nanocrystals capable of, in response to exposure to a first energy, providing a second energy, and (2) one or more linking agents, having a first portion linked to the one or more semiconductor nanocrystals and a second portion capable of linking to one or more affinity molecules. One or more semiconductor nanocrystal compounds are linked to one or more affinity molecules to form a semiconductor nanocrystal probe capable of bonding with one or more detectable substances in a material being analyzed, and capable of, in response to exposure to a first energy, providing a second energy. Also described are processes for respectively: making the semiconductor nanocrystal compound; making the semiconductor nanocrystal probe; and treating materials with the probe.

COMPOSITE LIGHT-EMITTING MATERIAL AND LIGHT-EMITTING DEVICE COMPRISING THE SAME

Disclosed herein are a composite light-emitting material, which includes two or more light-emitting materials selected from an inorganic phosphor, a semiconductor nanocrystal and an organic dye in which the surfaces of the two or more light-emitting materials are coated; and a light-emitting device comprising the same, so as to improve the luminous efficiency and lifetime.

Display device using quantum dot

A display device using quantum dots includes a first substrate and a second substrate disposed to face each other, a partition wall formed between the first and second substrates and defining a unit pixel, a first electrode formed on the first substrate, a second electrode formed to correspond to the first electrode, a backlight unit formed under the first substrate and having a UV light source, a UV blocking film formed above the second substrate, and a red light emitting layer where red quantum dots are formed, a blue light emitting layer where blue quantum dots are formed, and a green light emitting layer where green quantum dots are formed, which are disposed in the unit pixel.

Multi-band infrared imaging using stacked colloidal quantum-dot photodiodes

Photodetectors based on colloidal quantum dots and methods of making the photodetectors are provided. Also provided are methods for doping films of colloidal quantum dots via a solid-state cation exchange method. The photodetectors include multi-band photodetectors composed of two or more rectifying photodiodes stacked in aback-to-back configuration. The doping methods rely on a solid-state cation exchange that employs sacrificial semiconductor nanoparticles as a dopant source for a film of colloidal quantum dots.

Display device comprising angular filter

A display device includes: a backlight unit emitting a light; a first substrate on a path of a light emitted from the backlight unit; a pixel electrode on the first substrate; a light amount control layer on the pixel electrode; a first polarizer on the light amount control layer; a color conversion layer on the first polarizer; and an angular filter between the backlight unit and the color conversion layer. The color conversion layer includes a phosphor, and the angular filter blocks 50% or more of a light incident to the angular filter at an incident angle of 30 degrees or more.

Quantum dot-wavelength converter, manufacturing method of the same and light emitting device including the same

There is provided a quantum dot wavelength converter including a quantum dot, which is optically stable without any change in an emission wavelength and improved in emission capability. The quantum dot wavelength converter includes: a wavelength converting part including a quantum dot wavelength-converting excitation light and generating a wavelength-converted light and a dispersive medium dispersing the quantum dot; and a sealer sealing the wavelength converting part.

Magnetic, thermosensitive, fluorescent micelle and method for preparing the same

A magnetic, thermosensitive, fluorescent micelle includes a core, a carrier wrapping the core, and a plurality of water-soluble near-infrared CdHgTe quantum dots (QD) disposed on the carrier. The core includes dextran-magnetic layered double hydroxide-fluorouracil (DMF). The carrier includes a tripolymer of poly(N-isopropylacrylamide-co-N,N-dimethylacrylamide)-b-polylactic acid (PLA). N-isopropylacrylamide-co-N,N-dimethylacrylamide of the tripolymer includes a hydrophilic group and a hydrophobic carbon frame. The hydrophilic group is oriented outwards with respect to the and forms a shell. The hydrophobic carbon frame and polylactic acid are restrained to wrap the dextran-magnetic layered double hydroxide-fluorouracil to form the core.

Preparation of Nanoparticle Materials

A method of producing nanoparticles comprises effecting conversion of a molecular cluster compound to the material of the nanoparticles. The molecular cluster compound comprises a first ion and a second ion to be incorporated into the growing nanoparticles. The conversion can be effected in the presence of a second molecular cluster compound comprising a third ion and a fourth ion to be incorporated into the growing nanoparticles, under conditions permitting seeding and growth of the nanoparticles via consumption of a first molecular cluster compound. 1. A composition of matter comprising a semiconductor nanoparticle , the semiconductor nanoparticle comprising:a molecular cluster compound; anda core semiconductor material disposed on the molecular cluster compound.2. The composition of claim 1 , wherein the core semiconductor material includes:a Group 13 element; anda Group 15 element or a Group 16 element.3. The composition of claim 2 , wherein the Group 13 element is indium (In) and the Group 15 element is phosphorus (P).4. The composition of claim 1 , wherein the molecular cluster compound includes a Group 12 element and a Group 16 element.5. The composition of claim 4 , wherein the Group 12 element is zinc (Zn) and the Group 16 element is sulfur (S) or selenium (Se).6. The composition of claim 1 , wherein the semiconductor nanoparticle further comprises a first inorganic layer on the core semiconductor material.7. The composition of claim 6 , wherein the first inorganic layer includes a Group 13 element and a Group 16 element.8. The composition of claim 6 , wherein the first inorganic layer includes a Group 12 element and a Group 16 element.9. The composition of claim 6 , wherein the first inorganic layer comprises a ternary or quaternary semiconductor material.10. The composition of claim 6 , wherein the semiconductor nanoparticle further comprises a second inorganic layer on the first inorganic layer.11. The composition of claim 10 , wherein the second ...

Composite material

There is herein disclosed a composite material comprising nanoparticles capped with a hydrophobic ligand dispersed within a polymer matrix. The hydrophobic ligand is a fatty acid and/or selected from (R 1 ) 3 P, (R 2 ) 3 P(O), R 3 P(O)(OH) 2 , R 4 NH 2 , R 5 —CO 2 H and mixtures thereof, wherein: R 1 to R 3 each independently represents a C 8 to C 24 straight- or branched-chain alkyl group that is saturated or unsaturated; R 4 represents a C 14 to C 24 straight- or branched-chain alkyl group that is saturated or unsaturated; and R 5 represents a C 12 to C 24 straight- or branched-chain alkyl group that is saturated or unsaturated, and methods for making the same.

Method for preparing multilayer of nanocrystals, and organic-inorganic hybrid electroluminescence device comprising multilayer of nanocrystals prepared by the method

Disclosed herein is a method for preparing a multilayer of nanocrystals. The method comprises the steps of (i) coating nanocrystals surface-coordinated by a photosensitive compound, or a mixed solution of a photosensitive compound and nanocrystals surface-coordinated by a material miscible with the photosensitive compound, on a substrate, drying the coated substrate, and exposing the dried substrate to UV light to form a first monolayer of nanocrystals, and (ii) repeating the procedure of step (i) to form one or more monolayers of nanocrystals on the first monolayer of nanocrystals.

PHOTOSENSITIVE RESIN COMPOSITION AND A DISPLAY PANEL INCLUDING THE SAME

A photosensitive resin composition includes about 60% by weight to about 95% by weight of a solvent based on a total weight of the photosensitive resin composition and about 5% by weight to about 40% by weight of a solid based on the total weight of the photosensitive resin composition. The solid includes about 5% by weight to about 90% by weight of quantum dots based on a total weight of the solid. A center luminescence wavelength of the quantum dots is about 900 nm to about 2000 nm. 1. A photosensitive resin composition comprising:about 60% by weight to about 95% by weight of a solvent based on a total weight of the photosensitive resin composition; andabout 5% by weight to about 40% by weight of a solid based on the total weight of the photosensitive resin composition,wherein the solid comprises about 5% by weight to about 90% by weight of quantum dots based on a total weight of the solid, and a center luminescence wavelength of the quantum dots is about 900 nm to about 2000 nm.2. The photosensitive resin composition of claim 1 , wherein the solid comprises:about 4% by weight to about 70% by weight of a photo polymerization compound based on the total weight of the solid;about 0.1% by weight to about 20% by weight of a photo polymerization initiator based on the total weight of the solid;about 5% by weight to about 80% by weight of an alkali-soluble resin based on the total weight of the solid; andabout 0.1% by weight to about 12% by weight of a dispersing agent based on the total weight of the solid.3. The photosensitive resin composition of claim 1 , wherein at least one of the quantum dots comprises a core and a shell surrounding the core.4. The photosensitive resin composition of claim 3 , wherein the core comprises lead selenide (PbSe) claim 3 , lead sulfide (PbS) claim 3 , lead telluride (PbTe) or copper oxide (CuO).5. The photosensitive resin composition of claim 3 , wherein the shell comprises indium phosphide (InP) claim 3 , indium nitride (InN) claim 3 ...

PHOTOACTIVE, INORGANIC LIGAND-CAPPED INORGANIC NANOCRYSTALS

Ligand-capped inorganic particles, films composed of the ligand-capped inorganic particles, and methods of patterning the films are provided. Also provided are electronic, photonic, and optoelectronic devices that incorporate the films. The ligands that are bound to the inorganic particles are composed of a cation/anion pair. The anion of the pair is bound to the surface of the particle and at least one of the anion and the cation is photosensitive. 1. A composition comprising:inorganic crystals, each crystal having a surface;inorganic anions bound to the surfaces of the inorganic crystals; andphotosensitive cations or non-ionic photoacid generators.2. (canceled)3. The composition of claim 1 , wherein the inorganic anions comprise metal halides claim 1 , metal chalcogenides claim 1 , metal oxides claim 1 , chalcogenides claim 1 , halides claim 1 , O claim 1 , pseudohalides selected from CN claim 1 , N claim 1 , SCN claim 1 , and OCN claim 1 , or a combination of two or more thereof.4. The composition of claim 1 , wherein the composition comprises the photosensitive cations and the photosensitive cations are photoacid generator cations.5. The composition of claim 4 , wherein the photoacid generator cations comprise diaryliodonium claim 4 , triarylsulfonium claim 4 , diarylalkylsulfonium claim 4 , or a combination thereof.6. The composition of claim 5 , wherein the inorganic anions and photoacid generator cations form ligands having the formula A-MX claim 5 , A-MX claim 5 , or A-MXwherein A represents the diaryliodonium claim 5 , triarylsulfonium claim 5 , diarylalkylsulfonium claim 5 , or the combination thereof claim 5 , M represents a metal atom claim 5 , X represents a halogen atom claim 5 , and where n=2 claim 5 , 3 claim 5 , or 4.7. The composition of claim 4 , wherein the photoacid generator cations comprise bis(4-tert-butylphenyl)iodonium claim 4 , boc-methoxyphenyldiphenylsulfonium claim 4 , (tert-butoxycarbonylmethoxynaphthyl)-diphenylsulfonium claim 4 , (4- ...

MULTILAYER POLYMER COMPOSITE FOR ENCAPSULATING QUANTUM DOTS

A polymer composite comprising quantum dots and polymerized units of at least one compound of formula (I) 2. The polymer composite of in which Ris a bridged polycyclic substituent.3. The polymer composite of in which Ris a C-Cbridged polycyclic substituent.4. The polymer composite of in which the polymer composite comprises a compound of formula (I) having one (meth)acrylate ester substituent and a compound of formula (I) having two (meth)acrylate ester substituents in a weight ratio from 100:1 to 1:5 claim 3 , respectively.5. The polymer composite of in which Rhas a bicyclo[2 claim 4 ,2 claim 4 ,1]alkane or tricyclodecane ring system.6. The polymer composite of in which the quantum dots comprise CdS claim 5 , CdSe claim 5 , CdTe claim 5 , ZnS claim 5 , ZnSe claim 5 , ZnTe claim 5 , HgS claim 5 , HgSe claim 5 , HgTe claim 5 , GaN claim 5 , GaP claim 5 , GaAs claim 5 , InP claim 5 , InAs or a combination thereof.7. The polymer composite of further comprising a urethane acrylate claim 6 , a cellulose ether claim 6 , a cellulose acrylic ester claim 6 , a polystyrene polymer claim 6 , a polystyrene block copolymer claim 6 , an acrylic resin or a polyolefin elastomer.8. The polymer composite of further comprising a scattering agent.9. The polymer composite of further comprising an antioxidant or UV light stabilizer.10. The polymer composite of which is a film. The present invention relates to a process for preparing a multilayer polymer composite containing quantum dots.Semiconductor quantum dots (QD) provide optical absorption and emission (photoluminescence PL or electroluminescence EL) behaviors that are significantly different from those of bulk materials. As the particle size decreases, effective energy bandgap (Eg), or available energy levels, increases and creates a blue shifted PL spectrum. This spectrum tunability by the particle size dependent quantum confinement effect within the same material is a critical advantage over conventional bulk semiconductors. ...

HIGHLY EMISSIVE SHORT WAVE INFRARED NANOPARTICLES AND METHOD FOR PREPARING THE SAME

The present invention provides shortwave infrared ray emitting nanoparticles including a core having band gap energy of E; an intermediate layer that is formed on the core and has band gap energy of E; and an outer layer that is formed on the intermediate layer and has band gap energy of E, in which the size of the Eis smaller than the size of the E1 and the size of the E. According to the present invention, it is possible to provide a solar cell which is improved in efficiency and life span and can be produced by a solution process. 1. Shortwave infrared ray emitting nanoparticles comprising:{'sub': '1', 'a core having band gap energy of E;'}{'sub': '2', 'an intermediate layer that is formed on the core and has band gap energy of E; and'}{'sub': '3', 'an outer layer that is formed on the intermediate layer and has band gap energy of E, wherein'}{'sub': 2', '1', '3, 'a size of the Eis smaller than a size of the Eand a size of the E.'}2. The shortwave infrared ray emitting nanoparticles according to claim 1 , wherein a size of the Eis smaller than a size of E.3. The shortwave infrared ray emitting nanoparticles according to claim 1 , wherein the core includes CdSe claim 1 , HgCdSe claim 1 , CdS claim 1 , HgCdS claim 1 , or any combination of CdSe claim 1 , HgCdSe claim 1 , CdS claim 1 , and HgCdS.4. The shortwave infrared ray emitting nanoparticles according to claim 1 , wherein the intermediate layer includes HgS claim 1 , HgSe claim 1 , HgSeS claim 1 , or any combination of HgS claim 1 , HgSe claim 1 , and HgSeS.5. The shortwave infrared ray emitting nanoparticles according to claim 1 , wherein the outer layer includes CdS claim 1 , CdZnS claim 1 , ZnS claim 1 , or any combination of CdS claim 1 , CdZnS claim 1 , and ZnS.6. The shortwave infrared ray emitting nanoparticles according to claim 1 , wherein a thickness of the intermediate layer is 0.3 nm to 1.2 nm.7. The shortwave infrared ray emitting nanoparticles according to claim 1 , wherein an emission wavelength ...

Semiconductor nanocrystal probes for biological applications and process for making and using such probes

A semiconductor nanocrystal compound and probe are described. The compound is capable of linking to one or more affinity molecules. The compound comprises (1) one or more semiconductor nanocrystals capable of, in response to exposure to a first energy, providing a second energy, and (2) one or more linking agents, having a first portion linked to the one or more semiconductor nanocrystals and a second portion capable of linking to one or more affinity molecules. One or more semiconductor nanocrystal compounds are linked to one or more affinity molecules to form a semiconductor nanocrystal probe capable of bonding with one or more detectable substances in a material being analyzed, and capable of, in response to exposure to a first energy, providing a second energy. Also described are processes for respectively: making the semiconductor nanocrystal compound; making the semiconductor nanocrystal probe; and treating materials with the probe.

Light-emitting film, production method thereof, and a light emitting device including the same

A light emitting film including a plurality of quantum dots and an electronic device including the same. The plurality of quantum dots constitute at least a portion of a surface of the light emitting film, the plurality of quantum dots do not include cadmium, and the at least a portion of a surface of the light emitting film includes a metal halide bound to at least one quantum dot of the plurality of quantum dots.

Phosphorescent solid body, organic electroluminescent element, and organic electroluminescent device

Method for preparing multilayer of nanocrystals, and organic-inorganic hybrid electroluminescence device comprising multilayer of nanocrystals prepared by the method

A method for preparing a multilayer of nanocrystals. The method includes the steps of (i) coating nanocrystals surface-coordinated by a photosensitive compound, or a mixed solution of a photosensitive compound and nanocrystals surface-coordinated by a material miscible with the photosensitive compound, on a substrate, drying the coated substrate, and exposing the dried substrate to UV light to form a first monolayer of nanocrystals, and (ii) repeating the procedure of step (i) to form one or more monolayers of nanocrystals on the first monolayer of nanocrystals. Further, an organic-inorganic hybrid electroluminescence device using a multilayer of nanocrystals prepared by the method as a luminescent layer. The luminescent efficiency and luminescence intensity of the electroluminescence device can be enhanced, and the electrical properties of the electroluminescence device can be controlled by the use of the multilayer of nanocrystals as a luminescent layer.

Semiconductor nanocrystal probes for biological applications and process for making and using such probes

A semiconductor nanocrystal compound is described which is capable of linking to one or more affinity molecules. The compound comprises (1) one or more semiconductor nanocrystals capable of, in response to exposure to a first energy, providing a second energy, and (2) one or more linking agents, having a first portion linked to the one or more semiconductor nanocrystals and a second portion capable of linking to one or more affinity molecules. One or more of these semiconductor nanocrystal compounds are linked to one or more affinity molecules to form a semiconductor nanocrystal probe capable of bonding with one or more detectable substances in a material being analyzed, and capable of, in response to exposure to a first energy, providing a second energy. Treatment of a material with the semiconductor nanocrystal probe, and subsequent exposure of this treated material to a first energy, to determine the presence of the detectable substance within the material bonded to the probe, will excite the semiconductor nanocrystal in the probe bonded to the detectable substance, causing the probe to provide a second energy signifying the presence, in the material, of the detectable substance bonded to the semiconductor nanocrystal probe. Also described are processes for respectively making the semiconductor nanocrystal compound and the semiconductor nanocrystal probe. Processes are also described for treating materials with the probe, for example, to determine the presence of a detectable substance in the material bonded to the probe.

Highly luminescent color-selective nanocrystalline materials

A nanocrystal capable of light emission includes a nanoparticle having photoluminescence having quantum yields of greater than 30%.

Highly luminescent color-selective nanocrystalline materials

A nanocrystal capable of light emission includes a nanoparticle having photoluminescence having quantum yields of greater than 30%.

Highly luminescent color-selective nanocrystalline materials

A nanocrystal capable of light emission includes a nanoparticle having photoluminescence having quantum yields of greater than 30%.

Highly luminescent color-selective nanocrystalline materials

A nanocrystal capable of light emission includes a nanoparticle having photoluminescence having quantum yields of greater than 30%.

Highly luminescent color-selective nanocrystalline materials

A nanocrystal capable of light emission includes a nanoparticle having photoluminescence having quantum yields of greater than 30%.

Method for preparing multilayer of nanocrystals, and organic-inorganic hybrid electroluminescence device comprising multilayer of nanocrystals prepared by the method

A method for preparing a multilayer of nanocrystals. The method includes the steps of (i) coating nanocrystals surface-coordinated by a photosensitive compound, or a mixed solution of a photosensitive compound and nanocrystals surface-coordinated by a material miscible with the photosensitive compound, on a substrate, drying the coated substrate, and exposing the dried substrate to UV light to form a first monolayer of nanocrystals, and (ii) repeating the procedure of step (i) to form one or more monolayers of nanocrystals on the first monolayer of nanocrystals. Further, an organic-inorganic hybrid electroluminescence device using a multilayer of nanocrystals prepared by the method as a luminescent layer.

Method for preparing multilayer of nanocrystals, and organic-inorganic hybrid electroluminescence device comprising multilayer of nanocrystals prepared by the method

Disclosed herein is a method for preparing a multilayer of nanocrystals. The method comprises the steps of (i) coating nanocrystals surface-coordinated by a photosensitive compound, or a mixed solution of a photosensitive compound and nanocrystals surface-coordinated by a material miscible with the photosensitive compound, on a substrate, drying the coated substrate, and exposing the dried substrate to UV light to form a first monolayer of nanocrystals, and (ii) repeating the procedure of step (i) to form one or more monolayers of nanocrystals on the first monolayer of nanocrystals.

Method for preparing multilayer of nanocrystals, and organic-inorganic hybrid electroluminescence device comprising multilayer of nanocrystals prepared by the method

Disclosed herein is a method for preparing a multilayer of nanocrystals. The method comprises the steps of (i) coating nanocrystals surface-coordinated by a photosensitive compound, or a mixed solution of a photosensitive compound and nanocrystals surface-coordinated by a material miscible with the photosensitive compound, on a substrate, drying the coated substrate, and exposing the dried substrate to UV light to form a first monolayer of nanocrystals, and (ii) repeating the procedure of step (i) to form one or more monolayers of nanocrystals on the first monolayer of nanocrystals.

Water-stable III-V semiconductor nanocrystal complexes and methods of making same

A water-stable semiconductor nanocrystal complex that is stable and has high luminescent quantum yield. The water-stable semiconductor nanocrystal complex has a semiconductor nanocrystal core of a III-V semiconductor nanocrystal material and a water-stabilizing layer. A method of making a water-stable semiconductor nanocrystal complex is also provided.

photosensitive device

본 발명은 기재 및 상기 기재 상에 분포된 고역 통과 필터 반도체 나노입자들을 포함하는 감광 디바이스에 관한 것이다.

Patent FR3039531A1

La présente invention concerne une pluralité de nanocristaux de chalcogénure de métal enrobées avec de multiples ligands organiques et inorganiques; dans lequel ledit métal est choisi parmi Hg, Pb, Sn, Cd, Bi, Sb ou un de leurs mélanges; et ledit chalcogène est choisi parmi S, Se, Te ou un de leurs mélanges; dans lequel lesdits plusieurs ligands inorganiques comprennent au moins un acide ligands inorganiques sont choisis parmi S2-, SH-, Se2-, Te2-, OH-, BF4-, PF6-, Cl-, Br-, I-, As2Se3, Sb2S3, Sb2Te3, Sb2Se3, As2S3 ou un mélange de ceux-ci; et dans lequel l'absorption des liaisons CH des ligands organiques par rapport à l'absorption de nanocristaux de chalcogénure métallique est inférieure à 50 %, de préférence inférieure à 20 %. The present invention relates to a plurality of metal chalcogenide nanocrystals coated with multiple organic and inorganic ligands; wherein said metal is selected from Hg, Pb, Sn, Cd, Bi, Sb or a mixture thereof; and said chalcogen is selected from S, Se, Te or a mixture thereof; wherein said plurality of inorganic ligands comprise at least one inorganic ligand acid are selected from S2-, SH-, Se2-, Te2-, OH-, BF4-, PF6-, Cl-, Br-, I-, As2Se3, Sb2S3, Sb2Te3, Sb2Se3, As2S3 or a mixture thereof; and wherein the absorption of the CH bonds of the organic ligands with respect to the absorption of metal chalcogenide nanocrystals is less than 50%, preferably less than 20%.

Fabrication of nanoparticle materials

Stabilized nanocrystals

Multilayer polymer composite for encapsulating quantum dots

A polymer composite comprising quantum dots and polymerized units of at least one compound of formula (I) wherein R 1 is hydrogen or methyl and R 2 is a C 6 -C 20 aliphatic polycyclic substituent.

Security element with color change

The invention relates to a security element and a color, comprising at least one colorant that emits luminescent radiation when irradiated with electromagnetic excitation radiation, wherein a) the colorant first emits luminescent radiation when irradiated, the intensity of said colorant decreasing or almost vanishing when continuously irradiated with the excitation radiation within a first time interval, and b) the colorant is designed such that the effect described under a) can be observed again after a regeneration time period during which the colorant is not irradiated with the excitation radiation. The invention further relates to value and/or security documents comprising such a security element or such a colorant and to a verification method.

Phosphor based on a combination of quantum dot and conventional phosphors

본 발명은 인광체 조성물 및 이로부터 구축된 광 소스(light source)에 관한 것이다. 인광체 조성물은 제 1 및 제 2 인광체를 포함한다. 제 1 인광체는, 여기 파장의 광을, 그 강도가 파장의 함수로서 변함을 특징으로 하는 제 1 스펙트럼을 갖는 광으로 전환시키는 제 1 인광체 입자를 포함한다. 제 1 인광체 입자는 제 1 스펙트럼이 입자의 크기에 독립적이도록 선택된다. 제 2 인광체는, 여기 광을 QD 인광체 스펙트럼의 광으로 전환시키는 QD 인광체 입자를 포함한다. 제 1 인광체 입자 및 QD 인광체 입자는 소정 농도 비로 존재한다. 이러한 농도 비, 제 1 인광체 입자 및 QD 인광체 입자는, 조합된 스펙트럼의 강도가 QD 인광체 스펙트럼이나 제 1 스펙트럼보다 파장의 함수로서 더 균일하도록 선택된다. The present invention relates to a phosphor composition and a light source constructed therefrom. The phosphor composition comprises a first and a second phosphor. The first phosphor comprises a first phosphor particle that converts light of an excitation wavelength into light having a first spectrum, the intensity of which varies as a function of wavelength. The first phosphor particle is selected such that the first spectrum is independent of the size of the particle. The second phosphor comprises QD phosphor particles that convert the excitation light into light in the QD phosphor spectrum. The first phosphor particles and the QD phosphor particles are present at a predetermined concentration ratio. This concentration ratio, the first phosphor particles and the QD phosphor particles, are chosen such that the intensity of the combined spectrum is more uniform as a function of wavelength than the QD phosphor spectrum or the first spectrum.

Preparation of nanoparticle materials

Preparation of nanoparticle materials

Quantum dot and manufacturing method for the same and application using the same

量子點及其製造方法，與應用量子點的發光材料、發光元件及顯示裝置。量子點包含核體及殼層。核體為選自由XII-XV族化合物半導體奈米晶體、XII-XVI族化合物半導體奈米晶體、XIII-XV族化合物半導體奈米晶體與XIII-XVI族化合物半導體奈米晶體所組成的族群中的至少一種，且核體包含鎘元素及硒元素。殼層包含鋅元素及硫元素，並包覆所述核體。基於所述量子點中鎘元素、硒元素、鋅元素及硫元素的總含量，鋅元素的含量範圍為51at%~64at%，硫元素的含量範圍為32at%~38at%。

Phosphor based on a combination of quantum dot and conventional phosphors

A phosphor composition and a light source constructed therefrom are disclosed. The phosphor composition includes first and second phosphors. The first phosphor includes first phosphor particles that convert light of an excitation wavelength to light having a first spectrum characterized by an intensity of light that varies as a function of wavelength. The first phosphor particles are chosen such that the first spectrum is independent of the size of the particles. The second phosphor includes particles of a QD phosphor that convert the excitation light to light in a QD phosphor spectrum. The first phosphor particles and the QD phosphor particles are present in a ratio of concentrations. The ratio, the first phosphor particles, and the QD phosphor particles are chosen such that a combined spectrum has an intensity that is more uniform as a function of wavelength than either the QD phosphor spectrum or the first spectrum.

Photoactive, inorganic ligand-capped inorganic nanocrystals

Preparation of nanoparticle materials

A method of producing nanoparticles comprises effecting conversion of a molecular cluster compound to the material of the nanoparticles. The molecular cluster compound comprises a first ion and a second ion to be incorporated into the growing nanoparticles. The conversion can be effected in the presence of a second molecular cluster compound comprising a third ion and a fourth ion to be incorporated into the growing nanoparticles, under conditions permitting seeding and growth of the nanoparticles via consumption of a first molecular cluster compound.

Mid and far-infrared nanocrystals based photodetectors with enhanced performances

Disclosed is a plurality of metal chalcogenide nanocrystals coated with multiple organic and inorganic ligands; wherein the metal is selected from Hg, Pb, Sn, Cd, Bi, Sb or a mixture thereof; and the chalcogen is selected from S, Se, Te or a mixture thereof; wherein the multiple inorganic ligands includes at least one inorganic ligands are selected from S2−, HS−, Se2−, Te2−, OH−, BF4−, PF6−, Cl−, Br−, I−, As2Se3, Sb2S3, Sb2Te3, Sb2Se3, As2S3 or a mixture thereof; and wherein the absorption of the C—H bonds of the organic ligands relative to the absorption of metal chalcogenide nanocrystals is lower than 50%, preferably lower than 20%.

Performance enhanced mid-infrared and far-infrared nanocrystal-based photodetectors

本发明涉及涂覆有多个有机和多个无机配体的多个金属硫属元素化物纳米晶体；其中所述金属选自Hg、Pb、Sn、Cd、Bi、Sb或其混合物；并且所述硫属元素选自S、Se、Te或其混合物；其中所述多个无机配体包括选自S 2‑ 、HS ‑ 、Se 2‑ 、Te 2‑ 、OH ‑ 、BF 4 ‑ 、PF 6 ‑ 、Cl ‑ 、Br ‑ 、I ‑ 、As 2 Se 3 、Sb 2 S 3 、Sb 2 Te 3 、Sb 2 Se 3 、As 2 S 3 或其混合物中的至少一种无机配体；其中相对于金属硫属元素化物纳米晶体的吸收，所述有机配体的C‑H键的吸收低于50％，优选低于20％。

Display device using quantum dot

Highly luminescent color-selective nanocrystalline materials

A nanocrystal capable of light emission includes a nanoparticle having photoluminescence having quantum yields of greater than 30%.

Preparation method of high-yield in-situ passivated mid-infrared HgTe colloidal quantum dots

一种高产原位钝化中红外HgTe胶体量子点制备方法。属于胶体量子点合成领域。其中，合成过程采用热注射法，含卤素元素的HgI 2 作为Hg源的反应物，在反应时I ‑ 原位生长在胶体量子点表面，在钝化表面的同时，起到调节掺杂的目的，达到p型掺杂效果。并且使用TMSTe作为Te源，由于其具有很高的反应活性，与Hg前驱体发生充分反应，不会与Hg形成络合物限制HgTe的产率。

Highly luminescent color-selective nanocrystalline materials

A nanocrystal capable of light emission includes a nanoparticle having photoluminescence having quantum yields of greater than 30%.

Infrared device using intra-band electron transition of non-stoichiometric colloidal quantum dots

Yttrium-substituted barium thioaluminate phosphor material

【解決手段】 エレクトロルミネセンス装置用の薄膜蛍光体であって、蛍光体が、元素の周期表のIIＡ族とIIＢ族の元素から選択された少なくとも１つのカチオンを有するチオアルミネート、チオガレートおよびチオインデートからなるグループから選択される。蛍光体は、希土類金属によって活性化され、前記チオガレート、チオインデートおよびチオアルミネートのアルミニウム、ガリウムまたはインジウムの一部分の部分置換としてIIIＢ族元素を含む。蛍光体は、改善された輝度を提供する。また、基板上に薄膜蛍光体を含むエレクトロルミネセンス装置も示す。

Yttrium substituted barium thioaluminate phosphor materials

A thin film phosphor for an electroluminescent device, the phosphor being selected from the group consisting of thiasluminates, thiogallates and thioindates having at least one cation selected from elements of Groups IIA and IIB of the Periodic Table of Elements. The phosphor being activated by a rare earth metal and containing a Group IIIB element as a partial substitute for a portion of aluminum, gallium or indium of the thiogallate, thioindate and thioaluminate. The phosphor provides improved luminance. An electroluminescent device consisting of the thin film phosphor on a substrate is also described.

Display device using quantum dot

使用量子点的显示设备。一种使用量子点的显示设备包括：被设置成彼此相对的第一基板和第二基板；形成在所述第一基板和所述第二基板之间并限定单位像素的间隔壁；形成在所述第一基板上的第一电极；被形成为对应于所述第一电极的第二电极；形成在所述第一基板的下方并具有紫外线光源的背光单元；形成在所述第二基板的上面的紫外线阻隔膜；以及设置在所述单位像素中的形成有红色量子点的红色发光层、形成有蓝色量子点的蓝色发光层、以及形成有绿色量子点的绿色发光层。

Iii-v semiconductor nanocrystal complexes and methods of making same

A semiconductor nanocrystal complex that is stable and has high luminescent quantum yield. The semiconductor nanocrystal complex has a semiconductor nanocrystal core of a III-V semiconductor nanocrystal material. A method of making a semiconductor nanocrystal complex is also provided. The method includes synthesizing a semiconductor nanocrystal core of a III-V semiconductor nanocrystal material, and forming a metal layer on the semiconductor nanocrystal core after synthesis of the semiconductor nanocrystal core.

Yttrium substituted barium thioaluminate phosphor materials

一种电致发光器件的薄膜发光材料，所述的发光材料选自硫代铝酸盐、硫代镓酸盐和硫代铟酸盐，具有至少一种选自元素周期表中IIA和IIB族元素的阳离子。所述的发光材料由稀土金属激活，并含有IIIB族元素以部分取代所述的硫代镓酸盐、硫代铟酸盐和硫代铝酸盐中的部分铝、镓或铟。所述的发光材料具有改进的亮度。同时本发明也描述了在基质上含有该薄膜发光材料的电致发光器件。

Magnetically-responsive thermally-sensitive fluorescent micelle particle and preparation method therefor

A magnetically-responsive thermally-sensitive fluorescent micelle particle and a preparation method therefor. In the method, N-isopropylacrylamide, N,N-dimethylacrylamide, polylactic acid, etc. are used as raw materials to synthesize a thermosensitive P(NIPAM-co-DMAM)-b-PLA triblock polymer; a dextran-magnetic lamellar composite hydroxide-fluorouracil magnetic sustained-release drug delivery system is assembled at the core of the thermosensitive micelle by simultaneous hydration and dialysis, so as to prepare a magnetically-responsive thermally-sensitive fluorescent micelle having magnetic response and temperature-sensitivity; and water-soluble near-infrared CdHgTe quantum dots (QD) are grafted onto the surface of the magnetically-responsive thermally-sensitive micelle layer using an electrostatic binding technique, so as to finally prepare DMF@TRM@QD fluorescent micellar particles having near-infrared fluorescence emission, magnetic targeting, and thermosensitive controlled-release properties. The product of the present invention features an appropriate LCST, a simple process, low costs, a high drug load, good water solubility, and high sol stability. The micellar particle has ideal thermosensitive properties, magnetic targeting properties, and fluorescent tracer functions, and has special application prospects in the fields of targeted tumor therapy and magnetically induced thermotherapy.

Quantum rod composition, quantum rod polarizer and manufacturing method therefor

Disclosed are a quantum rod composition, a quantum rod polarizer and a manufacturing method therefor. The quantum rod composition comprises: a photo-aligning agent modification quantum rod, a polymerizable monomer and a solvent; the photo-aligning agent modification quantum rod may be directionally aligned under the irradiation of a linearly polarized light, and the polymerizable monomer may form a polymer network under the irradiation of an ultraviolet (UV) light, thereby anchoring the photo-aligning agent modification quantum rod and fixing the alignment direction thereof. The manufacturing method for the quantum rod polarizer uses said quantum rod composition to prepare the quantum rod polarizer, the process being simple; in the obtained quantum rod polarizer, the alignment direction of the photo-aligning agent modification quantum rod is consistent, the direction is fixed, and the polarization performance thereof is stable. The quantum rod polarizer has stable polarization performance, may be used in a liquid crystal display device, may improve light source utilization rate and obtain light having a higher purity, thereby achieving a high color gamut and low power consumption of a color display.

Highly Luminescent Color-Selective Nanocrystalline Materials

A nanocrystal capable of light emission includes a nanoparticle having photoluminescence having quantum yields of greater than 30%.

纳米颗粒及其制备方法、光电器件及其制备方法

本申请公开一种纳米颗粒及其制备方法、光电器件及其制备方法。该纳米颗粒包括量子点，量子点的配体含有可以与空穴传输材料侧链交联基团发生交联的基团。将该纳米颗粒应用在光电器件中，在空穴传输层和发光层之间制备含有该纳米颗粒和可交联空穴传输材料的混合层时，空穴传输材料和纳米颗粒能紧密交联在一起，可减小空穴传输材料的HOMO能级与量子点HOMO能级之间的势垒，有利于空穴从空穴传输材料注入量子点，使得电子和空穴的注入更加平衡，从而提高QLED器件的效率和寿命。

一种过渡金属元素掺杂的硫化铅量子点的制备方法

本发明属于半导体纳米材料的制备领域，具体涉及一种过渡金属元素掺杂的硫化铅量子点的制备方法。本发明的合成方法是：以水溶液沉淀法合成过渡金属离子掺杂的微米/亚微米级铅源，然后将其与有机试剂反应形成铅前驱体，在氮气保护气氛下，将溶解在油胺中的单质硫快速注入一定温度下的铅前驱体溶液中，控制反应参数得到掺杂过渡金属元素的硫化铅胶体量子点原液，离心去除杂质后纯化得到掺杂过渡金属元素的硫化铅胶体量子点。本发明制备方法简单可控，制备的量子点光学性能可调、稳定性好、荧光量子产率高，可用于批量制备高质量的掺杂量子点。

一种溶剂热法制备硒化汞纳米晶的方法

本发明公开了一种溶剂热法制备硒化汞量子点的方法：将汞源、表面活性配体、溶剂，混合搅拌，得到汞前驱体溶液；将硒粉溶解于三辛基膦中，然后加入溶剂，得到硒前驱体溶液；将汞源、硒源、溶剂放置在反应釜的聚四氟乙烯内衬中，于50‑100℃条件下加热4‑12小时。该方法得到的碲镉汞量子点表现出较均匀的粒径分布和较好的单分散性。

量子點、包括其的可固化組成物、使用所述組成物的固化層以及包括所述固化層的彩色濾光片

提供一種由用由化學式1表示的化合物進行表面改質的量子點、一種包括所述量子點的可固化組成物、一種固化層以及一種彩色濾光片。

양자점, 이를 포함하는 경화성 조성물, 상기 조성물을 이용하여 제조된 경화막 및 상기 경화막을 포함하는 컬러필터

하기 화학식 1로 표시되는 화합물로 표면개질된 양자점, 상기 양자점을 포함하는 경화성 조성물, 경화막 및 컬러필터가 제공된다. [화학식 1] (상기 화학식 1에서, 각 치환기는 명세서에 정의된 바와 같다.)

Highly emissive short wave infrared nanoparticles and method for preparing the same

The present invention provides shortwave infrared ray emitting nanoparticles including a core having band gap energy of E 1 ; an intermediate layer that is formed on the core and has band gap energy of E 2 ; and an outer layer that is formed on the intermediate layer and has band gap energy of E 3 , in which the size of the E 2 is smaller than the size of the E1 and the size of the E 3 . According to the present invention, it is possible to provide a solar cell which is improved in efficiency and life span and can be produced by a solution process.

硒前驱体在量子点合成中的应用

本发明涉及一种硒前驱体在量子点合成中的应用，属于光电传感器技术领域。其中，取具备如下结构式I的硒前驱体与IIB族金属盐在甲苯中按照LaMer模型成核生长模式制备红外胶体量子点： 本发明设计的硒前驱体在与IIB族金属盐合成红外胶体量子点过程中，不仅硒前驱体的供给速率能够得到较好调控，而且最终合成的胶体量子点的尺寸均一性好。

複合材料

本發明揭露一種複合材料及其製造方法，該複合材料包含有複數以疏水性配位基封端之散布於高分子基質中的奈米粒子。該疏水性配位基為一脂肪酸及/或選自(R1)3P、(R2)3P(O)、R3P(O)(OH)2、R4NH2、R5CO2H及其混合物中的一種化合物，其中R1至R3各自為碳數8~24之直鏈或支鏈的飽和或未飽和烷基；R4表示碳數14~24之直鏈或支鏈的飽和或未飽和烷基；以及R5表示碳數12~24之直鏈或支鏈的飽和或未飽和烷基。

양자점, 이를 포함하는 경화성 조성물, 상기 조성물을 이용하여 제조된 경화막 및 상기 경화막을 포함하는 컬러필터

하기 화학식 1로 표시되는 화합물로 표면개질된 양자점, 상기 양자점을 포함하는 경화성 조성물, 경화막 및 컬러필터가 제공된다. [화학식 1] (상기 화학식 1에서, 각 치환기는 명세서에 정의된 바와 같다.)

Mof封装量子点薄膜红外光电探测器及其制备方法

本发明提出了一种MOF封装量子点薄膜红外光电探测器及其制备方法，属于红外波段光电探测领域。解决了通常单独制备的量子点表面具有长链绝缘的有机配体，这虽然在控制量子点尺寸方面起到了积极的作用，但在器件应用过程中严重阻碍了电信号的传输的问题。本发明量子点的引入提升了MOF材料导电性能，拓展了吸收光谱延伸至红外波段；另一方面，由于MOF中固有孔洞的限制，所添加的量子点无需有机配体的修饰就可以得到小尺寸形貌，避免了通常使用的长链配体对于量子点之间和量子点与宿主框架之间电信号传递的阻碍，极大增强了光电转换效率，提高探测率。

양자점, 이를 포함하는 경화성 조성물, 상기 조성물을 이용하여 제조된 경화막 및 상기 경화막을 포함하는 컬러필터

하기 화학식 1로 표시되는 화합물로 표면개질된 양자점, 상기 양자점을 포함하는 경화성 조성물, 경화막 및 컬러필터가 제공된다. [화학식 1] (상기 화학식 1에서, 각 치환기는 명세서에 정의된 바와 같다.)

광활성인 무기 리간드-캐핑된 무기 나노결정

본 발명은 리간드-캐핑된 무기 입자, 리간드-캐핑된 무기 입자로 구성되는 필름, 및 상기 필름을 패턴화시키는 방법에 관한 것이다. 본 발명은 또한 상기 필름을 혼입하는 전자, 광학 및 광전자 디바이스에 관한 것이다. 상기 무기 입자에 결합하는 리간드는 양이온/음이온 쌍으로 구성된다. 상기 쌍의 음이온은 상기 입자의 표면에 결합하고, 음이온 및 양이온 중 하나 이상은 감광성이다.

一种ucnp-qd-gnp组装体纳米探针及其应用

一种UCNP‑QD‑GNP组装体纳米探针，通过含嵌段PO‑PS‑PO的DNA合成异质二价的QD，与DNA修饰的GNP和UCNP，进行价态可控的自组装，获得荧光被显著淬灭的UCNP‑QD‑GNP多级组装体纳米探针，在特异性响应靶标miRNA后，通过DNA的熵增驱动循环放大反应可控地催化GNP去组装，实现QD和UCNP的荧光同步恢复，对靶标miRNA实现高灵敏成像检测。具有光动力活性的AIE光敏剂分子作为配体参与QD的合成并被修饰在QD表面，从而进行高效光敏化。通过级联式能量传递将UCNP吸收的近红外激发光能量传递到QD，最后汇聚到AIE光敏剂配体分子，实现光敏化和光动力活性的增强。在近红外光激发下，通过对miRNA催化放大原位成像区分肿瘤细胞和正常细胞并进行成像引导的高效光动力治疗，从而实现对体内深层肿瘤生长的有效抑制。

硒前驱体在量子点合成中的应用

本发明涉及一种硒前驱体在量子点合成中的应用，属于光电传感器技术领域。其中，取具备如下结构式I的硒前驱体与IIB族金属盐在甲苯中按照LaMer模型成核生长模式制备红外胶体量子点： 本发明设计的硒前驱体在与IIB族金属盐合成红外胶体量子点过程中，不仅硒前驱体的供给速率能够得到较好调控，而且最终合成的胶体量子点的尺寸均一性好。

Yttrium-substituierte barium-thioaluminate- phosphormaterialien

Photoactive, inorganic ligand-capped inorganic nanocrystals

Ligand-capped inorganic particles, films composed of the ligand-capped inorganic particles, and methods of patterning the films are provided. Also provided are electronic, photonic, and optoelectronic devices that incorporate the films. The ligands that are bound to the inorganic particles are composed of a cation/anion pair. The anion of the pair is bound to the surface of the particle and at least one of the anion and the cation is photosensitive.

광활성인 무기 리간드-캐핑된 무기 나노결정

본 발명은 리간드-캐핑된 무기 입자, 리간드-캐핑된 무기 입자로 구성되는 필름, 및 상기 필름을 패턴화시키는 방법에 관한 것이다. 본 발명은 또한 상기 필름을 혼입하는 전자, 광학 및 광전자 디바이스에 관한 것이다. 상기 무기 입자에 결합하는 리간드는 양이온/음이온 쌍으로 구성된다. 상기 쌍의 음이온은 상기 입자의 표면에 결합하고, 음이온 및 양이온 중 하나 이상은 감광성이다.

Photopatternable film

Mof封装量子点薄膜红外光电探测器及其制备方法

本发明提出了一种MOF封装量子点薄膜红外光电探测器及其制备方法，属于红外波段光电探测领域。解决了通常单独制备的量子点表面具有长链绝缘的有机配体，这虽然在控制量子点尺寸方面起到了积极的作用，但在器件应用过程中严重阻碍了电信号的传输的问题。本发明量子点的引入提升了MOF材料导电性能，拓展了吸收光谱延伸至红外波段；另一方面，由于MOF中固有孔洞的限制，所添加的量子点无需有机配体的修饰就可以得到小尺寸形貌，避免了通常使用的长链配体对于量子点之间和量子点与宿主框架之间电信号传递的阻碍，极大增强了光电转换效率，提高探测率。