Effect of 4-biphenyl groups on the charge transport and photovoltaic properties of arylamine based push–pull systems

Pablo Simón Marqués; José María Andrés Castán; Pierre Josse; Martin Blais; Amir Hossein Habibi; Ivan Ramirez; Karsten Walzer; Jean Roncali; Philippe Blanchard; Clément Cabanetos

doi:10.1039/D0NJ02019B

Effect of 4-biphenyl groups on the charge transport and photovoltaic properties of arylamine based push–pull systems†

Pablo Simón Marqués,‡^a José María Andrés Castán,‡^a Pierre Josse,^a Martin Blais,^a Amir Hossein Habibi,^a Ivan Ramirez,^b Karsten Walzer,^b Jean Roncali,^ac Philippe Blanchard

*^a and Clément Cabanetos

*^a

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* Corresponding authors

^a CNRS UMR 6200, MOLTECH-Anjou, University of Angers, 2 Bd Lavoisier, 49045 Angers, France
E-mail: philippe.blanchard@univ-angers.fr, clement.cabanetos@univ-angers.fr

^b HELIATEK GmbH, Treidlerstraße 3, 01139 Dresden, Germany

^c Babes-Bolyai University, Faculty of Chemistry and Chemical Engineering, Department of Chemistry and SOOMCC, Cluj-Napoca, 11 Arany Janos Str., Cluj-Napoca, Romania

Abstract

Two push–pull derivatives based on a N,N-bis(4-biphenylyl)aniline (BPA) donor block connected to a dicyanovinyl accepting moiety by thienyl and bithienyl π-conjugated spacers have been synthesized and characterized. All-small-molecule planar-heterojunction organic solar cells show promising power conversion efficiencies and impressive fill factor (>73%) correlated with the high hole-mobility induced by the BPA moiety.

New Journal of Chemistry

Effect of 4-biphenyl groups on the charge transport and photovoltaic properties of arylamine based push–pull systems†

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Effect of 4-biphenyl groups on the charge transport and photovoltaic properties of arylamine based push–pull systems

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