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Investigation of Photoinduced Charge Transfer in Composites of a Novel Precursor PPV Polymer and Fullerenes

Published online by Cambridge University Press:  21 March 2011

Christoph J. Brabec ,
Antonio Cravino ,
Gerald Zerza ,
Franz Padinger ,
N. Serdar Sariciftci ,
Raphael Kiebooms ,
Dirk Vanderzande  and
Jan C. Hummelen
Christoph J. Brabec
Affiliation:
Christian Doppler Laboratory for Plastic Solar Cells, Johannes Kepler University Linz, A-4040 Austria Tel.: +43 732 2468 766, Fax: +43 732 2468 770, Email : christoph.brabec@jk.uni-linz.ac.at
Antonio Cravino
Affiliation:
Christian Doppler Laboratory for Plastic Solar Cells, Johannes Kepler University Linz, A-4040 Austria Tel.: +43 732 2468 766, Fax: +43 732 2468 770, Email : christoph.brabec@jk.uni-linz.ac.at
Gerald Zerza
Affiliation:
Christian Doppler Laboratory for Plastic Solar Cells, Johannes Kepler University Linz, A-4040 Austria Tel.: +43 732 2468 766, Fax: +43 732 2468 770, Email : christoph.brabec@jk.uni-linz.ac.at
Franz Padinger
Affiliation:
Christian Doppler Laboratory for Plastic Solar Cells, Johannes Kepler University Linz, A-4040 Austria Tel.: +43 732 2468 766, Fax: +43 732 2468 770, Email : christoph.brabec@jk.uni-linz.ac.at
N. Serdar Sariciftci
Affiliation:
Christian Doppler Laboratory for Plastic Solar Cells, Johannes Kepler University Linz, A-4040 Austria Tel.: +43 732 2468 766, Fax: +43 732 2468 770, Email : christoph.brabec@jk.uni-linz.ac.at
Raphael Kiebooms
Affiliation:
Institute for Materials Research, Material Physics Division, Limburg University, Wetenschapspark 1, B-3590 Diepenbeek, Belgium
Dirk Vanderzande
Affiliation:
Institute for Materials Research Chemistry Division, University Campus Gebouw D, Limburg University, B-3590 Diepenbeek, Belgium
Jan C. Hummelen
Affiliation:
Stratingh Institute and Materials Science Center, University of Groningen, Nijenborgh 4, 9747 AG Groningen, The Netherlands
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Abstract

Homogenous blends of a processable methanofullerene, [6,6]-Phenyl C61 - butyric acid methyl ester (PCBM), with poly (p-phenylene vinylene) (PPV) made from a novel nonionic precursor route were investigated by optical spectroscopy and by photocurrent measurements. The conversion process of the precursor polymer to the PPV in the blends with PCBM was monitored by IR absorption. In composites of PPV/PCBM strong quenching of the PPV luminescence was observed. LESR (light induced electron spin resonance) and PIA (photoinduced absorption) studies confirmed the occurrence of photoinduced electron transfer from the PPV to PCBM. Photovoltaic devices made from PPV/PCBM blends showed monochromatic power conversion efficiencies of app. 0.3%. The spectral photocurrent was observed to follow the absorption profile of the PPV.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 598: Symposium BB – Electrical, Optical, & Magenetic Properties...V , 1999 , BB3.25
Copyright
Copyright © Materials Research Society 1999

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