[미국특허]
Luminescent materials that emit light in the visible range or the near infrared range
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
B05D-003/02
C23C-014/30
C23C-014/58
C09K-011/66
C09K-011/61
C09K-011/72
C23C-014/06
C23C-014/16
C23C-014/24
출원번호
US-0611062
(2009-11-02)
등록번호
US-8795767
(2014-08-05)
발명자
/ 주소
Pfenninger, William M.
Vockic, Nemanja
Kenney, John
출원인 / 주소
OMNIPV, Inc.
대리인 / 주소
Foley & Lardner LLP
인용정보
피인용 횟수 :
0인용 특허 :
15
초록▼
Luminescent materials and the use of such materials in anti-counterfeiting, inventory, photovoltaic, and other applications are described herein. In one embodiment, a method of forming a luminescent material includes: (1) providing a source of A and X, wherein A is selected from at least one of elem
Luminescent materials and the use of such materials in anti-counterfeiting, inventory, photovoltaic, and other applications are described herein. In one embodiment, a method of forming a luminescent material includes: (1) providing a source of A and X, wherein A is selected from at least one of elements of Group 1, and X is selected from at least one of elements of Group 17; (2) providing a source of B, wherein B is selected from at least one of elements of Group 14; (3) subjecting the source of A and X and the source of B to vacuum deposition to form a set of films adjacent to a substrate; and (4) heating the set of films to a temperature in the range of 120° C. to 350° C. to form a luminescent material adjacent to the substrate, wherein the luminescent material includes A, B, and X.
대표청구항▼
1. A method of forming a luminescent material, comprising: providing a first compound having the formula: AX, wherein A is cesium, and X is iodine;providing a second compound of B and Y, wherein B is tin, and Y is selected from at least one of oxygen, fluorine, chlorine, bromine, nitrate, thiocyanat
1. A method of forming a luminescent material, comprising: providing a first compound having the formula: AX, wherein A is cesium, and X is iodine;providing a second compound of B and Y, wherein B is tin, and Y is selected from at least one of oxygen, fluorine, chlorine, bromine, nitrate, thiocyanate, hypochlorite, sulfate, orthophosphate, metaphosphate, oxalate, methanesulfonate, trifluoromethanesulfonate, and pyrophosphate;depositing the first compound and the second compound on a substrate to form at least one film on the substrate; andheating the at least one film to a temperature sufficient to react the first compound and the second compound to form a luminescent material,wherein the luminescent material has the formula: [AaBbXx][dopants], wherein a is 1, b is in the range of 1 to 3, x is in the range of 3 to 7, and the dopants are derived from Y and are included in a non-zero amount less than 5 percent in terms of elemental composition. 2. The method of claim 1, wherein depositing the first compound and the second compound includes sequentially depositing the first compound and the second compound on the substrate. 3. The method of claim 1, wherein depositing the first compound and the second compound includes co-depositing the first compound and the second compound on the substrate. 4. The method of claim 1, wherein depositing the first compound and the second compound includes: forming multiple, first films including the first compound; andforming multiple, second films including the second compound,wherein the first films are interspersed with respect to the second films. 5. The method of claim 1, wherein heating the at least one film is carried out to a temperature in the range of 120° C. to 350° C. and for a time period in the range of 2 minutes to 1 hour. 6. The method of claim 1, further comprising: depositing an encapsulation material on the at least one film to form an overcoat layer on the at least one film, wherein the encapsulation material includes at least one of Al2O3, TiO2, SiO2, SnO2, Ta2O5, BaTiO3, MgO, Pd, Ag, Au, Cu, Sn, SiN, silicon oxynitride, and BaSi. 7. The method of claim 1, wherein b is 1. 8. The method of claim 1, wherein b is 2. 9. The method of claim 1, wherein Y is oxygen. 10. The method of claim 1, wherein Y is selected from nitrate, thiocyanate, hypochlorite, sulfate, orthophosphate, metaphosphate, oxalate, methanesulfonate, trifluoromethanesulfonate, and pyrophosphate.
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