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Angew Chem Int Ed Engl. 2014 Apr 7;53(15):3996-4000. doi: 10.1002/anie.201400674. Epub 2014 Mar 6.

Twisted but conjugated: building blocks for low bandgap polymers.

Author information

1
Materials Research Laboratory, University of California, Santa Barbara, CA 93106 (USA).

Abstract

Here we report a novel twisted monomer based on a distorted CC double bond for low bandgap conjugated copolymers. This new building block provides several unique characteristics when compared to classical planar systems such as high solubility, electron accepting ability, and isomeric tunability. The resulting copolymers exhibit broad absorption spanning both visible and near-infrared regions leading to promising solar cell performance.

KEYWORDS:

building blocks; electron acceptors; low bandgap; polymers; solar cells

PMID:
24604891
DOI:
10.1002/anie.201400674
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