12-03-2020 дата публикации
Номер: US20200083469A1
Принадлежит:
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 S, HS, Se, Te, OH, BF, PF, Cl, Br, I, AsSe, SbS, SbTe, SbSe, AsSor 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%. 114-. (canceled)15. 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;{'sup': 2−', '−', '2−', '2−', '−', '−', '−', '−', '−', '−, 'sub': 4', '6', '2', '3', '2', '3', '2', '3', '2', '3', '2', '3, 'wherein said multiple inorganic ligands comprise at least one inorganic ligand selected from S, HS, Se, Te, OH, BF, PF, Cl, Br, I, AsSe, SbS, SbTe, SbSe, AsSor a mixture thereof.'}16. The plurality of metal chalcogenide nanocrystals according to claim 15 , wherein the optical absorption of the organic ligands relative to the optical absorption of coated metal chalcogenide nanocrystals is lower than 50%.17. The plurality of metal chalcogenide nanocrystals according to claim 15 , wherein said plurality of metal chalcogenide nanocrystals exhibits an optical absorption feature in a range from 3 μm to 50 μm and a carrier mobility not less than 1 cmVs.18. The plurality of metal chalcogenide nanocrystals according to claim 15 , wherein said metal is selected from Hg or a mixture of Hg and at least one of Pb claim 15 , Sn claim 15 , Cd claim 15 , Bi claim 15 , Sb; and said chalcogen is selected from S claim 15 , Se claim 15 , Te or a mixture thereof; provided that said metal ...
Подробнее
