Issue 37, 2013

An alternating D–A1–D–A2copolymer containing two electron-deficient moieties for efficient polymer solar cells

Abstract

Unlike normal donor–acceptor (D–A) polymers containing only one electron-deficient segment in their repeating unit, the incorporation of two electron-deficient moieties with different absorption behaviors, forming a D–A1–D–A2 internal structure in the alternating copolymer, showed a broader absorption spectrum than its constituent parts and enhanced photovoltaic performance. This work is anticipated to open the door to the design of new low bandgap polymers with a broader absorption range for efficient polymer solar cells.

Graphical abstract: An alternating D–A1–D–A2 copolymer containing two electron-deficient moieties for efficient polymer solar cells

Supplementary files

Article information

Article type
Communication
Submitted
14 Jun 2013
Accepted
24 Jul 2013
First published
25 Jul 2013

J. Mater. Chem. A, 2013,1, 11141-11144

An alternating D–A1–D–A2 copolymer containing two electron-deficient moieties for efficient polymer solar cells

W. Sun, Z. Ma, D. Dang, W. Zhu, M. R. Andersson, F. Zhang and E. Wang, J. Mater. Chem. A, 2013, 1, 11141 DOI: 10.1039/C3TA12321A

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