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Issue 18, 2018
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Cross-conjugated n-type polymer acceptors for efficient all-polymer solar cells

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Abstract

We designed and synthesized a series of n-type cross-conjugated polymers with a donor–π-bridge–acceptor structure (D–π-bridge–A) which can be used as electron-accepting materials to construct efficient all-polymer solar cells (all-PSCs). The two-dimensional architecture allows for the formation of cross-conjugation, which is favorable for charge carrier transport and light harvesting. Bulk-heterojunction all-PSCs based on these cross-conjugated electron-accepting polymers and PTB7-Th as the electron-donating polymer achieve an impressive power conversion efficiency of 5.55%. This cross-conjugated architecture provides a new molecular design strategy for n-type conjugated polymers.

Graphical abstract: Cross-conjugated n-type polymer acceptors for efficient all-polymer solar cells

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Publication details

The article was received on 05 Dec 2017, accepted on 28 Dec 2017 and first published on 28 Dec 2017


Article type: Communication
DOI: 10.1039/C7CC09348A
Citation: Chem. Commun., 2018,54, 2204-2207
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    Cross-conjugated n-type polymer acceptors for efficient all-polymer solar cells

    R. Xie, Z. Chen, Y. Liu, Z. Wang, Z. Chen, L. Ying, F. Huang and Y. Cao, Chem. Commun., 2018, 54, 2204
    DOI: 10.1039/C7CC09348A

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