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Light-harvesting fullerenes for organic solar cells *

Published online by Cambridge University Press:  10 January 2007

J. Baffreau ,
S. Leroy-Lhez ,
H. Derbal ,
A. R. Inigo ,
J.-M. Nunzi ,
M. M. Groeneveld ,
R. M. Williams  and
P. Hudhomme
J. Baffreau
Affiliation:
Laboratoire Chimie Ingénierie Moléculaire et Matériaux d'Angers, Groupe Synthèse Organique et Matériaux Fonctionnels, UMR-CNRS 6200, 2 Bd Lavoisier, 49045 Angers, France
S. Leroy-Lhez
Affiliation:
Laboratoire Chimie Ingénierie Moléculaire et Matériaux d'Angers, Groupe Synthèse Organique et Matériaux Fonctionnels, UMR-CNRS 6200, 2 Bd Lavoisier, 49045 Angers, France
H. Derbal
Affiliation:
Laboratoire Propriétés Optiques des Matériaux et Applications, PPF “Cellules Solaires Photovoltaïques Plastiques”, UMR-CNRS 6136, 2 Bd Lavoisier, 49045 Angers, France
A. R. Inigo
Affiliation:
Laboratoire Propriétés Optiques des Matériaux et Applications, PPF “Cellules Solaires Photovoltaïques Plastiques”, UMR-CNRS 6136, 2 Bd Lavoisier, 49045 Angers, France
J.-M. Nunzi
Affiliation:
Laboratoire Propriétés Optiques des Matériaux et Applications, PPF “Cellules Solaires Photovoltaïques Plastiques”, UMR-CNRS 6136, 2 Bd Lavoisier, 49045 Angers, France
M. M. Groeneveld
Affiliation:
Molecular Photonics Group, Van't Hoff Institute for Molecular Sciences, Universiteit Van Amsterdam, Nieuwe Achtergracht 166, 1018 WV Amsterdam, The Netherlands
R. M. Williams
Affiliation:
Molecular Photonics Group, Van't Hoff Institute for Molecular Sciences, Universiteit Van Amsterdam, Nieuwe Achtergracht 166, 1018 WV Amsterdam, The Netherlands
P. Hudhomme*
Affiliation:
Laboratoire Chimie Ingénierie Moléculaire et Matériaux d'Angers, Groupe Synthèse Organique et Matériaux Fonctionnels, UMR-CNRS 6200, 2 Bd Lavoisier, 49045 Angers, France
*
[email protected]
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Abstract

Novel dyads containing [60]fullerene–perylenediimide units were developed as light-harvesting acceptors for the preparation of efficient solar cells. The antenna was grafted onto C60 with the aim to improve the absorption spectrum of materials used in bulk-heterojunction devices. Electrochemical and photophysical studies of these dyads in solution have revealed that there was no significant ground-state electronic interaction between the covalently bonded PDI and fullerene moieties. Steady-state fluorescence experiments evidenced an effective photoinduced energy transfer from the PDI moiety to C60. The potential use of these light-harvesting fullerenes in organic solar cells was estimated with their incorporation in bulk-heterojunctions using poly(3-hexylthiophene) as the conjugated $\pi $-donor polymer.

Keywords

Type
Research Article
Information
The European Physical Journal - Applied Physics , Volume 36 , Issue 3 , December 2006 , pp. 301 - 305
Copyright
© EDP Sciences, 2006

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Footnotes

*

This paper has been presented at “ECHOS06”, Paris, 28–30 juin 2006.

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