Issue 9, 2018

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

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

Supplementary files

Article information

Article type
Research Article
Submitted
08 jun 2018
Accepted
13 jul 2018
First published
13 jul 2018

Mater. Chem. Front., 2018,2, 1716-1719

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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