Alternative acceptor materials based on hexabenzocoronene
US10886472B2 · kind B2 · utility
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Key dates
| Filing date | Sep 11, 2017 |
| Grant date | Jan 5, 2021 |
| Priority date | — |
| Expiry date | Sep 11, 2037 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E10/549
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
The invention relates to a compound comprising a hexabenzocoronene core to which are bonded, in position 2 and 5, a polymer ZP46, optionally via a spacer, and to which are bonded substituents selected from a group —COOH, —C≡N, —N+≡C, —O—C≡N or CF3, at position 1, 3, 4, and 6; a donor:acceptor layer comprising it, and a device comprising such a compound and such a layer and its use in the field of organic photovoltaic cells.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.