High-Performance Photovoltaic Polymers Employing Symmetry-Breaking Building Blocks.

Authors :: Liu D
Zhu Q
Gu C
Wang J
Qiu M
Chen W
Bao X
Sun M
Yang R
Source :: Advanced materials (Deerfield Beach, Fla.) [Adv Mater] 2016 Oct; Vol. 28 (38), pp. 8490-8498. Date of Electronic Publication: 2016 Aug 08.
Publication Year :: 2016
Abstract: Two 1D-2D asymmetric benzodithiophenes (BDTs) as donor building blocks are designed and synthesized, combining the advantages of both 1D and 2D symmetric BDTs. The photovoltaic properties of the asymmetric BDT-based polymers are improved greatly in comparison with corresponding symmetric BDT-based polymers. This work provides a new approach to design prospective organic optoelectronic materials employing the symmetry-breaking strategy.<br /> (© 2016 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.)

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