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Development of New Fullerene-based Electron Acceptors for Efficient Organic Photovoltaic Cells

Published online by Cambridge University Press:  30 March 2012

Yutaka Matsuo
Yutaka Matsuo*
Affiliation:
Department of Chemistry, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-0033, JAPAN
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Abstract

This article describes design of fullerene-based electron-accepting materials to obtain high performance in organic thin-film photovoltaic devices. A 1,4-bis(dimethylphenylsilylmethyl)[60]fullerene gives higher open circuit voltage than 1,2-diadduct because of smaller π-conjugated systems, and enables columnar fullerene-core array for high electron mobility and thermal crystallization for ideal phase separation with electron-donor materials. A 56π-electron fullerene derivative possessing the dihydromethano group as the smallest carbon addend does not disrupt fullerene-fullerene contact in solid state, giving high open-circuit voltage without decreasing of short-circuit current density and fill factor.

Keywords

photovoltaicorganicchemical synthesis
Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 1390: Symposium H/I – Organic Photovoltaics–Materials to Devices , 2012 , mrsf11-1390-h13-79
Copyright
Copyright © Materials Research Society 2012

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References

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