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The influence of molecular weight distribution on the optimal thermal treatment of poly(3-hexythiophene) based bulk heterojunction photovoltaic cells*

Published online by Cambridge University Press:  08 November 2006

R. C. Hiorns ,
R. de Bettignies ,
J. Leroy ,
S. Bailly ,
M. Firon ,
C. Sentein ,
H. Preud'homme  and
C. Dagron-Lartigau
R. C. Hiorns*
Affiliation:
Laboratoire de Physico-Chimie des Polymères de Pau (LPCP), CNRS UMR 5067, IPREM FR CNRS 2606, Université de Pau et des Pays de l'Adour, Hélioparc, 2 Av. P. Angot, 64053 Pau Cedex 9, France
R. de Bettignies
Affiliation:
CEA-Saclay, Laboratoire Cellules et Composants, DRT-LITEN-GENEC, Bât. 451, 91191 Gif-sur-Yvette Cedex, France
J. Leroy
Affiliation:
CEA-Saclay, Laboratoire Cellules et Composants, DRT-LITEN-GENEC, Bât. 451, 91191 Gif-sur-Yvette Cedex, France
S. Bailly
Affiliation:
CEA-Saclay, Laboratoire Cellules et Composants, DRT-LITEN-GENEC, Bât. 451, 91191 Gif-sur-Yvette Cedex, France
M. Firon
Affiliation:
CEA-Saclay, Laboratoire Cellules et Composants, DRT-LITEN-GENEC, Bât. 451, 91191 Gif-sur-Yvette Cedex, France
C. Sentein
Affiliation:
CEA-Saclay, Laboratoire Cellules et Composants, DRT-LITEN-GENEC, Bât. 451, 91191 Gif-sur-Yvette Cedex, France
H. Preud'homme
Affiliation:
Laboratoire de Chimie Analytique Bio-Inorganique et Environnement, CNRS UMR 5034, Université de Pau et des Pays de l'Adour, Hélioparc, 2 Av. P. Angot, 64053 Pau Cedex, France
C. Dagron-Lartigau
Affiliation:
Laboratoire de Physico-Chimie des Polymères de Pau (LPCP), CNRS UMR 5067, IPREM FR CNRS 2606, Université de Pau et des Pays de l'Adour, Hélioparc, 2 Av. P. Angot, 64053 Pau Cedex 9, France
*
[email protected]
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Abstract

Chlorobenzene cast films of poly(3-hexylthiophene)-blend-[6,6]-phenyl C61 butyric acid methyl ester (P3HT-blend-PCBM) in 1:1 ratios were used in photovoltaic cells with the structure glass/ITO/PEDOT-blend-PSS/P3HT-blend-PCBM/LiF/Al. By varying the molecular weights of the P3HTs from 4500 to 280 000 g mol−1, it was found that P3HT molecular weight distributions had an important impact on cell characteristics and the most effective annealing temperature required.

Keywords

Type
Research Article
Information
The European Physical Journal - Applied Physics , Volume 36 , Issue 3 , December 2006 , pp. 295 - 300
Copyright
© EDP Sciences, 2006

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Footnotes

*

Submitted following a poster submission at “ECHO06” conference in Paris, France, 28–30 juin 2006.

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