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Issue 9, 2018
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A heptacyclic carbon–oxygen-bridged ladder-type building block for A–D–A acceptors

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Abstract

A heptacyclic carbon–oxygen-bridged ladder-type unit, COi7, was designed. Two corresponding nonfullerene acceptors, COi7IC and COi7DFIC, were developed. The single crystal structure of COi7IC indicates an S-shaped backbone and a packing via π–π interaction of the end groups. PTB7-Th:COi7DFIC solar cells gave a power conversion efficiency of 8.32%, with a decent fill factor of 71.9%.

Graphical abstract: A heptacyclic carbon–oxygen-bridged ladder-type building block for A–D–A acceptors

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Publication details

The article was received on 08 Jun 2018, accepted on 13 Jul 2018 and first published on 13 Jul 2018


Article type: Research Article
DOI: 10.1039/C8QM00285A
Citation: Mater. Chem. Front., 2018,2, 1716-1719
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    A heptacyclic carbon–oxygen-bridged ladder-type building block for A–D–A acceptors

    K. Jin, C. Deng, L. Zhang, D. Li, T. Li, F. Wang, Y. Yuan, Z. Xiao and L. Ding, Mater. Chem. Front., 2018, 2, 1716
    DOI: 10.1039/C8QM00285A

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