Diindeno[1,2-g:1′,2′-s]rubicene: all-carbon non-fullerene electron acceptor for efficient bulk-heterojunction organic solar cells with high open-circuit voltage?

RSC Advances Pub Date: 2014-12-04 DOI: 10.1039/C4RA12505C

Abstract

An all carbon non-fullerene electron acceptor material based on diindeno[1,2-g:1′,2′-s]rubicene (DIR) was readily synthesized and processed for bulk-heterojunction organic solar cells. High PCE up to 3.05% with a relatively high VOC of 1.22 V has been achieved with P3HT electron donor material by the variation of donor–acceptor blending ratio.

Graphical abstract: Diindeno[1,2-g:1′,2′-s]rubicene: all-carbon non-fullerene electron acceptor for efficient bulk-heterojunction organic solar cells with high open-circuit voltage
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