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Космические корабли и станции, автоматические КА и методы их проектирования, бортовые комплексы управления, системы и средства жизнеобеспечения, особенности технологии производства ракетно-космических систем

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Применить Всего найдено 10. Отображено 10.
12-05-2004 дата публикации

利用掺杂技术减薄高亮度发光二极管芯片窗口层的方法

Номер: CN0001149686C
Автор: HUANG BAIBIAO, ZHANG ZHAOCHUN, YU YONGQIN, BAIBIAO HUANG, ZHAOCHUN ZHANG, YONGQIN YU, 黄柏标
Принадлежит:

... 本发明属于光电子技术领域。本发明的主要内容是利用金属有机化合物气相淀积(MOCVD)在GaAs衬底上生长高亮度发光二极管为异质结芯片结构，上限制层生长结束时，继续生长磷化镓GaP窗口层，通过切断和连接镓源及磷源，选用P型掺杂剂在磷化镓窗口层进行δ掺杂，最终达到厚度≤2μm的窗口层，它解决了现有技术存在的生长工艺复杂、生长成本高的缺点，采用本发明，可使发光二极管芯片生长工艺简化，降低生产成本，提高生产效率。 ...

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Номер записи: 1
12-05-2004 дата публикации

一种用氧化锌作为高亮度发光二极管芯片窗口层的生长方法

Номер: CN0001149685C
Автор: HUANG BAIBIAO, ZHANG ZHAOCHUN, YU YONGQIN, BAIBIAO HUANG, ZHAOCHUN ZHANG, YONGQIN YU, 黄柏标
Принадлежит:

... 本发明属于光电子技术领域。本发明的主要内容利用金属有机化合物气相淀积法(MOCVD)外延生长二极管材料时，在上限制层生长结束后，继续用MOCVD外延生长工艺进行N型掺杂氧化锌薄膜的低温生长，取代磷化镓作为发光二极管窗口层，控制窗口层厚度为≤2μm。它解决了现有技术存在的工艺复杂，生长周期长，成本高的缺点。本发明具有生长工艺简单，生长周期短，成本低的优点。用氧化锌作为LED窗口层，可使窗口层在直流电流浸入时，具有更佳的电流扩展和透光效果。 ...

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Номер записи: 2
06-06-2023 дата публикации

System and method for realizing pure water decomposition by photocatalysis-electrocatalysis coupled iodine cycle

Номер: CN116216633A
Автор: WANG PENG, LIU XIAOLEI, FU HUI, HUANG BAIBIAO, WANG ZEYAN, LIU YUANYUAN, ZHENG ZHAOKE, CHENG HEFENG, ZHANG QIANQIAN, ZHANG XIAOYANG
Принадлежит:

The invention belongs to the technical field of new energy and photoelectrochemistry, and particularly relates to a system and a method for realizing pure water decomposition through photocatalysis-electrocatalysis coupled iodine circulation. The invention provides a new strategy, pure water is split and decomposed into two parts which are easy to implement, one part is efficient for preparing H2 by photocatalytic decomposition of HI through halide perovskite, the other part is simultaneous for electro-catalysis I3-reduction and water oxidation for preparing O2, I3-/I-is used as a redox shuttling medium, and the two systems are circulated. A series photocatalysis and electrocatalysis circulating system taking I3 <->/I <-> as a redox shuttle medium can realize efficient and stable pure water decomposition. The preparation method has the advantages of simplicity, mild reaction conditions, low cost, large-scale preparation, no pollution and the like.

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Номер записи: 3
23-06-2023 дата публикации

Electron-rich copper-bismuth nano material and preparation method and application thereof

Номер: CN116288476A
Автор: CHENG HEFENG, LEE JAE-KI, HUANG BAIBIAO, WANG ZEYAN, WANG PENG, LIU YUANYUAN, ZHENG ZHAOKE, ZHANG QIANQIAN, ZHANG XIAOYANG
Принадлежит:

The invention belongs to the technical field of electro-catalytic materials, and particularly relates to an electron-rich copper-bismuth nano material and a preparation method and application thereof. The electron-rich copper-bismuth nano material can be obtained through simple anodic oxidation, in-situ pre-reduction and electric replacement reaction, and the electron-rich copper-bismuth nano material composed of metal copper and metal bismuth is rapidly prepared through the electronegativity difference between metal. The method has the advantages of easily available reaction raw materials, simple preparation method, green and environment-friendly process, low cost and the like, and is beneficial to large-scale industrialization. When the electron-rich copper-bismuth nano material is applied to a three-electrode system and a dual-electrode flow cell, high current density and high selectivity of a reaction of reducing carbon dioxide into formate can be realized, and the electron-rich copper-bismuth ...

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Номер записи: 4
06-06-2023 дата публикации

Dual-plasma coupling enhanced WO3-x-Au and preparation method and application thereof

Номер: CN116212870A
Автор: ZHENG ZHAOKE, XU YAYANG, HUANG BAIBIAO, WANG ZEYAN, LIU YUANYUAN, WANG PENG, CHENG HEFENG, ZHANG QIANQIAN, ZHANG XIAOYANG
Принадлежит:

The invention belongs to the technical field of plasma photocatalysis and fine chemical green synthesis, and particularly relates to double-plasma coupling enhanced WO3-x-Au as well as a preparation method and application thereof. According to the preparation method disclosed by the invention, the WO3-x-Au enhanced by double plasma coupling is prepared by combining an alcohol-thermal method and an illumination-assisted reduction method. According to the WO3-x-Au double-plasma catalyst, the light absorption characteristics of WO3-x and Au can be utilized at the same time, so that wide-spectrum absorption of solar energy is achieved, and the utilization rate of sunlight is effectively increased; in addition, the coupling effect between the two can further improve the catalytic performance of the material system and promote the reaction of generating p-aminophenol by hydrogenation of p-nitrophenol; meanwhile, the energy transfer process between WO3-x and Au is verified by using a single-particle ...

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Номер записи: 5
26-05-2023 дата публикации

Composite halogen-mixed perovskite photocatalytic material as well as preparation method and application thereof

Номер: CN116159598A
Автор: WANG PENG, LIU XIAOLEI, HUANG BAIBIAO, ZHANG QIANQIAN, WANG ZEYAN, ZHENG ZHAOKE, CHENG HEFENG, LIU YUANYUAN, ZHANG XIAOYANG
Принадлежит:

The invention belongs to the technical field of environmental protection and energy, and particularly relates to a composite halogen-mixed perovskite photocatalytic material as well as a preparation method and application thereof. The composite halogen-mixed perovskite photocatalytic material provided by the invention can realize efficient photocatalytic cracking of HI for hydrogen production, and MoSe2/MAPbBr3-xIx has efficient charge separation, abundant hydrogen production active sites and relatively small HI splitting energy barriers. Experimental research finds that the optimal hydrogen production performance of MoSe2/MAPbBr3-xIx is up to 22.935 mmol h <-1 > g <-1 >, and the conversion efficiency (STH) from solar energy to hydrogen energy is up to 1.02%, which is higher than that of most photocatalytic pure water decomposition systems.

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Номер записи: 6
18-08-2023 дата публикации

CSB/rGO composite photocatalyst as well as preparation method and application thereof

Номер: CN116603545A
Автор: WANG PENG, YIN LIWEN, HUANG BAIBIAO, WANG ZEYAN, LIU YUANYUAN, ZHENG ZHAOKE, CHENG HEFENG, ZHANG QIANQIAN, ZHANG XIAOYANG
Принадлежит:

The invention belongs to the technical field of energy environment catalysis, and particularly relates to a CSB/rGO composite photocatalyst and a preparation method and application thereof. The preparation method of the CSB/rGO composite photocatalyst comprises the following steps: S1, dissolving tin salt in a hydrobromic acid solution, stirring, adding cesium salt to obtain a mixed solution, carrying out hydrothermal reaction on the mixed solution, and washing, centrifuging and drying a product to obtain CSB; and S2, dispersing CSB and graphene oxide in a saturated HBr and H3PO2 mixed solution, and carrying out photoreduction to obtain the CSB/rGO composite photocatalyst. The CSB/rGO composite photocatalyst is obtained by compounding Cs2SnBr6 (CSB) and rGO, a rapid charge transfer channel is established between the CSB and the rGO, the defect that the separation efficiency of tin-based perovskite photo-induced electron hole pairs is poor is overcome, and the CSB/rGO composite photocatalyst ...

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Номер записи: 7
23-06-2023 дата публикации

Bifunctional catalytic material as well as preparation method and application thereof

Номер: CN116288493A
Автор: CHENG HEFENG, MENG XIAO, HUANG BAIBIAO, WANG ZEYAN, LIU YUANYUAN, WANG PENG, ZHENG ZHAOKE, ZHANG QIANQIAN, ZHANG XIAOYANG
Принадлежит:

The invention belongs to the technical field of photoelectric catalytic materials, and particularly relates to a bifunctional catalytic material as well as a preparation method and application thereof. The bifunctional catalytic material provided by the invention comprises a substrate and a nickel-molybdenum alloy/molybdenum oxide nanowire array loaded on the substrate, and has excellent electro-catalysis full water splitting performance. Furthermore, the bifunctional catalytic material and a solar cell are integrated to prepare an integrated photo-anode device, an integrated cell and an integrated artificial blade, so that long-term stable and efficient hydrogen production by photoelectrocatalytic decomposition of water is realized.

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Номер записи: 8
09-06-2023 дата публикации

Photocatalytic material for producing hydrogen peroxide by photocatalytic reforming of plastic and preparation method of photocatalytic material

Номер: CN116237078A
Автор: ZHENG ZHAOKE, GONG XUEQIN, HUANG BAIBIAO, WANG ZEYAN, LIU YUANYUAN, WANG PENG, CHENG HEFENG, ZHANG QIANQIAN, ZHANG XIAOYANG
Принадлежит:

The invention discloses a photocatalytic material for producing hydrogen peroxide by photocatalytic reforming of plastics and a preparation method thereof, and the preparation method comprises the following steps: carrying out hydrothermal treatment on melamine and phosphorous acid, and obtaining a phosphorus-doped precursor through supramolecular self-assembly, the mass ratio of melamine to phosphorous acid being 1: 1-7; the phosphorus-doped precursor is subjected to heat treatment, the heat treatment temperature is 450-550 DEG C, the heat treatment time is 1.5-2.5 h, and the phosphorus-doped carbon nitride catalyst (CN-P) is obtained in a thermal polycondensation mode. The semiconductor photocatalytic material prepared by the preparation method has excellent light absorption capacity and catalytic activity, and has obvious advantages on generation of hydrogen peroxide by photoreforming PET (Polyethylene Terephthalate).

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Номер записи: 9
23-06-2023 дата публикации

Photocatalytic material for preparing methane through high-selectivity photoreduction of carbon dioxide as well as preparation method and application of photocatalytic material

Номер: CN116273059A
Автор: CHENG HEFENG, SI SHENGHE, HUANG BAIBIAO, WANG ZEYAN, LIU YUANYUAN, WANG PENG, ZHENG ZHAOKE, ZHANG QIANQIAN, ZHANG XIAOYANG
Принадлежит:

The preparation method comprises the following steps: dissolving zinc chloride, indium chloride and thioacetamide powder in a mixed solution of ethanol and water according to a ratio, carrying out a hydrothermal reaction at 80-160 DEG C for 6-24 h, filtering, washing, and drying to obtain the photocatalytic material for preparing methane through high-selectivity photoreduction of carbon dioxide. The ultrathin sulfur indium zinc (sulfur indium zinc) nanosheet carrier material is obtained; the method comprises the following steps: slowly adding an excessive sulfur-containing compound aqueous solution into a chloroauric acid aqueous solution to form a sulfur-coordinated gold complex precursor; the sulfur-containing compound is selected from thiosulfate, thiourea, thiocyanate and sulfite; and mixing a sulfur-coordinated gold complex precursor solution with the suspension of the sulfur-indium-zinc nanosheet carrier material, heating, stirring and dipping, so that the ligand of the gold complex ...

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Номер записи: 10