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Issue 5, 2017
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Planar versus triptycenylene end-capped aroyleneimidazoles as electron acceptors in organic photovoltaics

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Abstract

The effect of triptycenylene end-groups on the optoelectronic properties of aroyleneimidazoles and their performance as acceptors in bulk heterojunction photovoltaic devices are described. We compare three derivatives of triptycene monoaroyleneimidazoles with their planar analogues. Planar aroyleneimidazoles show rather poor performance as acceptors with power conversion efficiencies (PCEs) of ∼0.3–1.3%. In contrast, the triptycene end-capped congeners show improved performance with a maximum PCE of 2.3%, demonstrating the potential of triptycene-based π-systems for application as non-fullerene electron acceptors.

Graphical abstract: Planar versus triptycenylene end-capped aroyleneimidazoles as electron acceptors in organic photovoltaics

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Article information


Submitted
20 Jan 2017
Accepted
03 Apr 2017
First published
04 Apr 2017

Org. Chem. Front., 2017,4, 834-838
Article type
Research Article

Planar versus triptycenylene end-capped aroyleneimidazoles as electron acceptors in organic photovoltaics

E. H. Menke, D. Leibold, A. P. Ullrich, Y. Vaynzof and M. Mastalerz, Org. Chem. Front., 2017, 4, 834
DOI: 10.1039/C7QO00231A

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