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Issue 32, 2009
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Penta(organo)[60]fullerenes as acceptors for organic photovoltaic cells

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Abstract

Pentaaryl[60]fullerene derivatives, C60(C6H4Ph)5Me, C60(C6H4OPh)5Me, C60(C6H4nBu)5Me, Fe[C60(C6H4nBu)5]Cp, and Ru[C60(C6H4nBu)5]Cp have been used as acceptor materials in bulk heterojunction-type organic photovoltaic cells in combination with poly(3-hexylthiophene) as a donor material. High open-circuit voltages (up to 0.76 V) were obtained, which are attributed to the high LUMO of the penta(organo)[60]fullerenes. Scanning electron microscopic analyses of the cross-section of the devices indicated a homogeneous distribution of the donor and the acceptor compounds, which accounts for the moderate short-circuit current and photocurrent conversion efficiency (η = 1.08).

Graphical abstract: Penta(organo)[60]fullerenes as acceptors for organic photovoltaic cells

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Supplementary files

Article information


Submitted
04 Mar 2009
Accepted
01 May 2009
First published
26 Jun 2009

J. Mater. Chem., 2009,19, 5804-5811
Article type
Paper

Penta(organo)[60]fullerenes as acceptors for organic photovoltaic cells

T. Niinomi, Y. Matsuo, M. Hashiguchi, Y. Sato and E. Nakamura, J. Mater. Chem., 2009, 19, 5804
DOI: 10.1039/B904485J

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