Materials and methods for the preparation of nanocomposites
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
C01B-019/00
H01L-035/16
B82Y-030/00
B82Y-040/00
C09K-011/02
C09K-011/56
C09K-011/88
C30B-007/00
C30B-029/40
C30B-029/46
C30B-029/60
C09D-001/00
C09D-005/22
C09D-005/24
H01B-001/06
H01B-001/10
출원번호
US-0133494
(2016-04-20)
등록번호
US-10121952
(2018-11-06)
발명자
/ 주소
Talapin, Dmitri V.
Kovalenko, Maksym V.
Lee, Jong-Soo
Jiang, Chengyang
출원인 / 주소
THE UNIVERSITY OF CHICAGO
대리인 / 주소
Marshall, Gerstein & Borun LLP
인용정보
피인용 횟수 :
0인용 특허 :
41
초록▼
Disclosed herein is an isolable colloidal particle comprising a nanoparticle and an inorganic capping agent bound to the surface of the nanoparticle, a solution of the same, a method for making the same from a biphasic solvent mixture, and the formation of structures and solids from the isolable col
Disclosed herein is an isolable colloidal particle comprising a nanoparticle and an inorganic capping agent bound to the surface of the nanoparticle, a solution of the same, a method for making the same from a biphasic solvent mixture, and the formation of structures and solids from the isolable colloidal particle. The process can yield photovoltaic cells, piezoelectric crystals, thermoelectric layers, optoelectronic layers, light emitting diodes, ferroelectric layers, thin film transistors, floating gate memory devices, imaging devices, phase change layers, and sensor devices.
대표청구항▼
1. A solution comprising a colloidal particle and a solvent, wherein the colloidal particle comprises an inorganic capping agent bound to a surface of a nanoparticle; wherein the inorganic capping agent comprises a Zintl ion and is substantially free of an organic capping agent, and the solution is
1. A solution comprising a colloidal particle and a solvent, wherein the colloidal particle comprises an inorganic capping agent bound to a surface of a nanoparticle; wherein the inorganic capping agent comprises a Zintl ion and is substantially free of an organic capping agent, and the solution is substantially free of an organic capping agent. 2. The solution of claim 1, wherein the solvent is selected from a group consisting of water, dimethylsulfoxide, formamide, methylformamide, ethanolamine, dimethylformamide, benzonitrile, 1,3-butanediol, butanol, dimethylacetamide, dioxane, methoxyethanol, methylpyrrolidinone, pyridine, ethyleneglycol, glycerol, methanol, ethanol, trimethylamine, dimethylamine, methylamine, ammonia, triethylamine, tetramethylethylenediamine, trimethylethylenediamine, dimethylethylenediamine, ethylenediamine, acetonitrile, and a mixture thereof. 3. The solution of claim 1, wherein the solvent is substantially free of hydrazine. 4. The solution of claim 1, wherein the inorganic capping agent is selected from a group consisting of a polyatomic anion, a soluble metal chalcogenide, a soluble polyatomic metal chalcogenide anion, and a mixture thereof. 5. The solution of claim 1, wherein the inorganic capping agent further comprises an ion selected from the group consisting of As33−, As42−, As53−, As73−, As113−, AsS33−, As2Se63−, As2Te63−, As10Te32−, Au2Te42−, Au3Te43−, Bi33−, Bi42−, Bi53−, Bi73−, GaTe2−, Ge92−, Ge94−, Ge2S64−, HgSe22−, Hg3Se42−, In2Se42−, In2Te42−, Ni5Sb174−, Pb52−, Pb74−, Pb94−, Pb2Sb22−, Sb33−, Sb42−, Sb73−, SbSe43−, SbSe45−, SbTe45−, Sb2Se3, Sb2Te54−, Sb2Te74−, Sb4Te44−, Sb9Te63−, Se22−, Se32−, Se42−, Se5,62−, Se62−, Sn42−, Sn52−, Sn93−, Sn94−, SnS44−, SnSe44−, SnTe44−, SnS4Mn25−, Sn2S64−, Sn2Se64−, Sn2Te64−, Sn2Bi22−, Sn8Sb3−, Te22−, Te32−, Te42−, Tl2Te22−, TlSn83−, TlSn85−, TlSn93−, TlTe22−, and a mixture thereof. 6. The solution of claim 1, wherein the inorganic capping agent further comprises a metal selected from the group consisting of a transition metal, a lanthanide, an actinide, a main group metal, a metalloid, and a mixture thereof. 7. The solution of claim 1, wherein the inorganic capping agent further comprises a soluble metal chalcogenide selected from the group consisting of molecular compounds derived from CuInSe2, CuInxGa1-xSe2, Ga2Se3, In2Se3, In2Te3, Sb2S3, Sb2Se3, Sb2Te3, ZnTe, and a mixture thereof. 8. The solution of claim 1, wherein the nanoparticle is selected from the group consisting of a nanocrystal, a nanorod, a nanowire, and a mixture thereof. 9. The solution of claim 1, wherein the nanoparticle is selected from a group consisting of AlN, AlP, AlAs, Ag, Au, Bi, Bi2S3, Bi2Se3, Bi2Te3, CdS, CdSe, CdTe, Co, CoPt, CoPt3, Cu, Cu2S, Cu2Se, CuInSe2, CuIn(1-x)Gax(S,Se)2, Cu2ZnSn(S,Se)4, Fe, FeO, Fe2O3, Fe3O4, FePt, GaN, GaP, GaAs, GaSb, GaSe, Ge, HgS, HgSe, HgTe, InN, InP, InSb, InAs, Ni, PbS, PbSe, PbTe, Pd, Pt, Ru, Rh, Si, Sn, ZnS, ZnSe, ZnTe, Au/PbS, Au/PbSe, Au/PbTe, Ag/PbS, Ag/PbSe, Ag/PbTe, Pt/PbS, Pt/PbSe, Pt/PbTe, Au/CdS, Au/CdSe, Au/CdTe, Ag/CdS, Ag/CdSe, Ag/CdTe, Pt/CdS, Pt/CdSe, Pt/CdTe, Au/FeO, Au/Fe2O3, Au/Fe3O4, Pt/FeO, Pt/Fe2O3, Pt/Fe3O4, FePt/PbS, FePt/PbSe, FePt/PbTe, FePt/CdS, FePt/CdSe, FePt/CdTe, CdSe/CdS, CdSe/ZnS, InP/CdSe, InP/ZnS, InP/ZnSe, InAs/CdSe, InAs/ZnSe, and a mixture thereof. 10. A method of making a colloidal particle comprising admixing a solution of an inorganic capping agent in a first solvent and a solution of a nanoparticle in a second solvent, wherein the second solvent is appreciably immiscible in the first solvent,wherein the colloidal particle comprises the inorganic capping agent bound to a surface of the nanoparticle; and the inorganic capping agent comprises a Zintl ion and is substantially free of an organic capping agent. 11. The method of claim 10, wherein the first solvent and the second solvent are substantially free of hydrazine. 12. The method of claim 10 further comprising isolating the colloidal particle from the second solvent.
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