Issue 44, 2022

Reversibly switchable methanofullerene by photoexcitation and reduction

Abstract

A cyclopropanated derivative of the trifluoromethylated fullerene Cs-C70(CF3)8 demonstrates reversible switching behavior triggered by excited state electron transfer or by negative charging. The switching between the state with connected 62-electron π-system and the state with disjoint 28- and 32-electron conjugated caps is effected by opening/closure of the cyclopropanated bond. A pronounced alteration of the electronic properties upon seemingly minor changes in a large fullerene molecule is an attractive feature for the organic electronic devices where similar fullerene compounds are commonly utilized as electron acceptor materials.

Graphical abstract: Reversibly switchable methanofullerene by photoexcitation and reduction

Supplementary files

Article information

Article type
Communication
Submitted
25 Aug 2022
Accepted
21 Oct 2022
First published
25 Oct 2022

Phys. Chem. Chem. Phys., 2022,24, 26998-27003

Reversibly switchable methanofullerene by photoexcitation and reduction

S. V. Gracheva, T. S. Yankova, M. P. Kosaya, V. A. Brotsman, I. N. Ioffe, N. S. Lukonina and A. A. Goryunkov, Phys. Chem. Chem. Phys., 2022, 24, 26998 DOI: 10.1039/D2CP03945A

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