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Ordering Effects in Benzo[1,2-b:4,5- b′]difuran-thieno[3,4- c]pyrrole-4,6-dione Polymers with >7% Solar Cell Efficiency
Journal article   Peer reviewed

Ordering Effects in Benzo[1,2-b:4,5- b′]difuran-thieno[3,4- c]pyrrole-4,6-dione Polymers with >7% Solar Cell Efficiency

Julien Warnan, Clément Cabanetos, Abdulrahman Labban, Michael Hansen, Christopher Tassone, Michael Toney and Pierre Beaujuge
Advanced materials (Weinheim), Vol.26(25), pp.4357-4362
02/07/2014
DOI: https://doi.org/10.1002/adma.201305344
PMID: 24829168

Abstract

Chemical Sciences
Benzo[1,2-b:4,5-b']difuran–thieno[3,4-c]pyrrole-4,6-dione (PBDFTPD) polymers prepared by microwave-assisted synthesis can achieve power conversion efficiencies (PCEs) >7% in bulk-heterojunction solar cells with phenyl-C61/71-butyric acid methyl ester (PCBM). In “as-cast” PBDFTPD-based devices solution-processed without a small-molecule additive, high PCEs can be obtained in spite of the weak propensity of the polymers to self-assemble and form π-aggregates in thin films.

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