IPC분류정보
| 국가/구분 |
United States(US) Patent
등록
|
| 국제특허분류(IPC7판) |
|
| 출원번호 |
US-0228197
(2011-09-08)
|
| 등록번호 |
US-8803128
(2014-08-12)
|
|
발명자
/ 주소 |
- Sargent, Edward Hartley
- Koleilat, Ghada
- Levina, Larissa
|
| 출원인 / 주소 |
- InVisage Technologies, Inc.
|
| 대리인 / 주소 |
Schwegman, Lundberg & Woessner, P.A.
|
| 인용정보 |
피인용 횟수 :
11 인용 특허 :
60 |
초록
▼
A composite material is described. The composite material comprises semiconductor nanocrystals, and organic molecules that passivate the surfaces of the semiconductor nanocrystals. One or more properties of the organic molecules facilitate the transfer of charge between the semiconductor nanocrystal
A composite material is described. The composite material comprises semiconductor nanocrystals, and organic molecules that passivate the surfaces of the semiconductor nanocrystals. One or more properties of the organic molecules facilitate the transfer of charge between the semiconductor nanocrystals. A semiconductor material is described that comprises p-type semiconductor material including semiconductor nanocrystals. At least one property of the semiconductor material results in a mobility of electrons in the semiconductor material being greater than or equal to a mobility of holes. A semiconductor material is described that comprises n-type semiconductor material including semiconductor nanocrystals. At least one property of the semiconductor material results in a mobility of holes in the semiconductor material being greater than or equal to a mobility of electrons.
대표청구항
▼
1. A composite material comprising: a first semiconductor nanocrystal;a second semiconductor nanocrystal;at least one organic molecule to passivate surfaces of the first semiconductor nanocrystal and the second semiconductor nanocrystal, at least one property of the at least one organic molecule bei
1. A composite material comprising: a first semiconductor nanocrystal;a second semiconductor nanocrystal;at least one organic molecule to passivate surfaces of the first semiconductor nanocrystal and the second semiconductor nanocrystal, at least one property of the at least one organic molecule being to facilitate a transfer of charge between the first semiconductor nanocrystal and the second semiconductor nanocrystal, the at least one organic molecule including a benzene ring that includes at least two functional groups, a first of the at least two functional groups on the at least one organic molecule binding the first semiconductor nanocrystal, a second of the at least two functional groups on the at least one organic molecule binding the second semiconductor nanocrystal; andat least one bidentate linker coupled to at least one of the first semiconductor nanocrystal and the second semiconductor nanocrystal, the at least one bidentate linker consisting of a first end group and a second end group and including a conjugated moiety coupled between the first end group and the second end group. 2. The composite material of claim 1, wherein the at least one property includes delocalization of at least one type of charge carrier across at least a portion of the organic molecules, wherein the at least one type of charge carrier includes at least one of electrons and holes. 3. The composite material of claim 1, wherein the benzene ring results in the delocalization of the at least one type of charge carrier. 4. The composite material of claim 1, where the semiconductor nanocrystals comprise at least one of PbS, PbSe, PbTe, CdS, CdSe, CdTe, SnS, SnSe, SnTe, Si, GaAs, Bi2S3, and Bi2Se3. 5. The composite material of claim 1, where the organic molecules comprise at least one of Benzenedithiol, Dibenzenedithiol, Mercaptopropionic acid, Mercaptobenzoic acid, Pyridine, Pyrimidine, Pyrazine, Pyridazine, Dicarboxybenzene, Benzenediamine, and Dibenzenediamine. 6. A semiconductor material, the semiconductor material comprising: a p-type semiconductor material including semiconductor nanocrystals, at least one property of the semiconductor material is to result in a mobility of electrons in the semiconductor material being greater than or equal to a mobility of holes;a benzene ring that includes at least two functional groups, a first of the at least two functional groups binding one semiconductor nanocrystal, a second of the at least two functional groups binding a distinct semiconductor nanocrystal; andat least one bidentate linker coupled to at least one of the semiconductor nanocrystals, the at least one bidentate linker consisting of a first end group and a second end group and including a conjugated moiety coupled between the first end group and the second end group. 7. A semiconductor material, the semiconductor material comprising: an n-type semiconductor material including semiconductor nanocrystals, at least one property of the semiconductor material is to result in a mobility of holes in the semiconductor material being greater than or equal to a mobility of electrons;a benzene ring that includes at least two functional groups, a first of the at least two functional groups binding one semiconductor nanocrystal, a second of the at least two functional groups binding a distinct semiconductor nanocrystal; andat least one bidentate linker coupled to at least one of the semiconductor nanocrystals, the at least one bidentate linker consisting of a first end group and a second end group and including a conjugated moiety coupled between the first end group and the second end group. 8. A device comprising: a semiconductor material in contact with a first electrode and a second electrode, the semiconductor material being a p-type semiconductor material comprising semiconductor nanocrystals, properties of the semiconductor material being configured to result in a mobility of electrons in the semiconductor material being greater than or equal to a mobility of holes;a benzene ring that includes at least two functional groups, a first of the at least two functional groups binding one semiconductor nanocrystal, a second of the at least two functional groups binding a distinct semiconductor nanocrystal; andat least one bidentate linker coupled to at least one of the semiconductor nanocrystals, the at least one bidentate linker consisting of a first end group and a second end group and including a conjugated moiety coupled between the first end group and the second end group. 9. A device comprising: a semiconductor material in contact with a first electrode and a second electrode, the semiconductor material being an n-type semiconductor material comprising semiconductor nanocrystals, properties of the semiconductor material being configured to result in a mobility of holes in the semiconductor material being greater than or equal to a mobility of electrons;a benzene ring that includes at least two functional groups, a first of the at least two functional groups binding one semiconductor nanocrystal, a second of the at least two functional groups binding a distinct semiconductor nanocrystal; andat least one bidentate linker coupled to at least one of the semiconductor nanocrystals, the at least one bidentate linker consisting of a first end group and a second end group and including a conjugated moiety coupled between the first end group and the second end group.
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