An alternating D-A(1)-D-A(2) copolymer containing two electron-deficient moieties for efficient polymer solar cells.

Wenjun Sun; Zaifei Ma; Dongfeng Dang; Weiguo Zhu; Mats R. Andersson; Fengling Zhang; Ergang Wang

doi:10.1039/c3ta12321a

An alternating D-A(1)-D-A(2) copolymer containing two electron-deficient moieties for efficient polymer solar cells.

Wenjun Sun, Zaifei Ma, Dongfeng Dang, Weiguo Zhu, Mats R. Andersson, Fengling Zhang, Ergang Wang

Research output: Contribution to journal › Article › peer-review

65 Citations (Scopus)

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.

Original language	English
Pages (from-to)	11141-11144
Number of pages	4
Journal	Journal of Materials Chemistry A
Volume	1
Issue number	37
DOIs	https://doi.org/10.1039/c3ta12321a
Publication status	Published - 7 Oct 2013

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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.",

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AU - Zhu, Weiguo

AU - Andersson, Mats R.

AU - Zhang, Fengling

AU - Wang, Ergang

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AB - 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.

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An alternating D-A(1)-D-A(2) copolymer containing two electron-deficient moieties for efficient polymer solar cells.

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