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Issue 12, 2018
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Benzyl and fluorinated benzyl side chains for perylene diimide non-fullerene acceptors

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Abstract

The synthesis and characterization of three N-annulated perylene diimide dimers with benzyl based side-chains is reported. Benzyl, 4-fluorobenzyl, and pentafluorobenzyl groups are used as side chains at the pyrrolic N-atom position of the N-annulated perylene diimide chromophore. All three compounds were used as non-fullerene acceptors in polymer based organic solar cells. Power conversion efficiencies upwards of 5.8% were achieved for both benzyl and 4-fluorobenzyl substituted acceptors, with different donor polymers.

Graphical abstract: Benzyl and fluorinated benzyl side chains for perylene diimide non-fullerene acceptors

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Supplementary files

Article information


Submitted
24 Sep 2018
Accepted
10 Oct 2018
First published
11 Oct 2018

Mater. Chem. Front., 2018,2, 2272-2276
Article type
Research Article

Benzyl and fluorinated benzyl side chains for perylene diimide non-fullerene acceptors

M. Nazari, M. Martell, T. A. Welsh, O. Melville, Z. Li, J. Cann, E. Cieplechowicz, Y. Zou, B. H. Lessard and G. C. Welch, Mater. Chem. Front., 2018, 2, 2272
DOI: 10.1039/C8QM00487K

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