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Effects of Anthryl Groups on the Charge Transport and Photovoltaic Properties of Small Triarylamine-Based Donor-Acceptor Molecules: A Joint Experimental and Theoretical Study

Abstract : The effects of replacing one of the outer phenyl rings of triphenylamine by 2-anthryl and 9-anthryl groups of triphenylamine (TPA) have been investigated on two small push-pull molecules consisting of a triarylamine donor block connected to a dicyanovinyl acceptor via a thienyl spacer. UV-Vis absorption, cyclic voltammetry and theoretical calculations show that the mode of linkage of the anthryl group has a limited influence on the electronic properties of the molecule compared to reference compound based on TPA. However experimental and theoretical results show that this simple structural modification exerts a major impact on the hole-mobility of the resulting materials and thus on their efficiency as donor in planar heterojunction solar cells.
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https://hal.univ-angers.fr/hal-02564482
Contributeur : Okina Université d'Angers <>
Soumis le : mardi 5 mai 2020 - 21:24:11
Dernière modification le : mardi 22 septembre 2020 - 03:38:29

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Yue Jiang, Clément Cabanetos, Siriporn Jungsuttiwong, Domenico Alberga, Carlo Adamo, et al.. Effects of Anthryl Groups on the Charge Transport and Photovoltaic Properties of Small Triarylamine-Based Donor-Acceptor Molecules: A Joint Experimental and Theoretical Study. ChemistrySelect, Wiley, 2017, 2 (22), pp.6296-6303. ⟨10.1002/slct.201701305⟩. ⟨hal-02564482⟩

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