Electron donating organic material for photovoltaic devices, material for photovoltaic devices, and photovoltaic device
US8269099B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 4, 2007 |
| Grant date | Sep 18, 2012 |
| Priority date | — |
| Expiry date | Jun 21, 2029 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E10/549
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A photovoltaic device with high photoelectric conversion efficiency includes an electron donating organic material for photovoltaic devices containing a conjugated polymer represented by formula (1):wherein R1 to R10 may be the same or different from each other and are each selected from the group consisting of hydrogen, an alkyl group, an alkoxy group and an aryl group; R11 and R12 may be the same or different from each other and are each selected from the group consisting of hydrogen, an alkyl group, an aryl group, a heteroaryl group and halogen; W, X, Y and Z may be the same or different from each other and are each selected from the group consisting of a single bond, an arylene group, a heteroarylene group, an ethenylene group, and an ethynylene group; m is 0 or 1; n is within a range of 1 to 1000.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.