Heteroatomic regioregular poly(3-substitutedthiophenes) for photovoltaic cells
US7790979B2 · kind B2 · utility
1Cited by
15References
6Claims
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Key dates
| Filing date | Sep 26, 2005 |
| Grant date | Sep 7, 2010 |
| Priority date | — |
| Expiry date | Jan 11, 2029 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E10/549
- WIPO fieldMicro-structural and nano-technology
- WIPO sectorChemistry
Abstract
Regioregular polythiophene polymers can be used in photovoltaic applications including copolymers and blends. The polymer can comprise heteroatoms in the side groups. Better efficiencies can be achieved.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.