Issue 4, 2018

A carbon–oxygen-bridged hexacyclic ladder-type building block for low-bandgap nonfullerene acceptors

Abstract

A hexacyclic carbon–oxygen-bridged ladder-type unit, COi6, was developed. Three nonfullerene acceptors (COi6IC, COi6FIC and COi6DFIC) based on COi6 were prepared. They present low optical bandgaps of 1.31–1.37 eV and strong absorbance in the near-infrared region. A 9.12% power conversion efficiency was achieved from the solar cells based on COi6FIC and a wide-bandgap copolymer donor (FTAZ).

Graphical abstract: A carbon–oxygen-bridged hexacyclic ladder-type building block for low-bandgap nonfullerene acceptors

Supplementary files

Article information

Article type
Research Article
Submitted
05 janv. 2018
Accepted
24 janv. 2018
First published
26 janv. 2018

Mater. Chem. Front., 2018,2, 700-703

A carbon–oxygen-bridged hexacyclic ladder-type building block for low-bandgap nonfullerene acceptors

T. Li, H. Zhang, Z. Xiao, J. J. Rech, H. Niu, W. You and L. Ding, Mater. Chem. Front., 2018, 2, 700 DOI: 10.1039/C8QM00004B

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