Organic photosensitive devices comprising aryl squaraines and methods of making the same
US11944007B2 · kind B2 · utility
1Cited by
5References
9Claims
0Family size
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Key dates
| Filing date | Jun 24, 2019 |
| Grant date | Mar 26, 2024 |
| Priority date | — |
| Expiry date | Jun 24, 2039 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E10/549
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
There is disclosed squaraine compounds of formula I: wherein each of Y1 and Y2 is independently chosen from an optionally substituted amino group and an optionally substituted aryl group. Also described are organic optoelectronic devices comprising a Donor-Acceptor heterojunction that is formed from one or more of the squaraine compounds. A method of making the disclosed device, which may include one or more sublimation step for depositing said squaraine compound, is also disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.