Diketopyrrolopyrole (DPP)-based sensitizers for electrochemical or optoelectronic devices
US9697956B2 · kind B2 · utility
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17Claims
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Key dates
| Filing date | Aug 14, 2013 |
| Grant date | Jul 4, 2017 |
| Priority date | — |
| Expiry date | Oct 27, 2033 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E10/549
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
The present invention relates to compounds of formula (I) based on DPP moiety being useful as metal-free organic sensitizers or dyes of type D-π-A in electrochemical or optoelectronic devices, their use as sensitizer or dye and an electrochemical or optoelectronic device comprising a compound of the invention.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.