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Proceedings Paper

How stable are polymer:PCBM bulk heterojunction solar cells?
Author(s): S. Bertho; I. Haeldermans; A. Swinnen; J. D'Haen; L. Lutsen; J. V. Manca; D. J. M. Vanderzande
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Paper Abstract

This paper investigates the thermal stability of organic bulk heterojunction solar cells, with a special focus on the thermal ageing of both photovoltaic parameters and morphology of the active layer. The photovoltaic parameters of a set of bulk heterojunction solar cells were determined by IV-characterization and their bulk morphology was investigated with transmission electron microscopy (TEM). A link could be made between the degradation of the short circuit current under a thermal treatment and the corresponding change in bulk morphology. A possible improvement of the thermal stability of bulk heterojunction solar cells is presented through the use of a polymer with higher glass transition temperature.

Paper Details

Date Published: 20 April 2006
PDF: 9 pages
Proc. SPIE 6192, Organic Optoelectronics and Photonics II, 619225 (20 April 2006); doi: 10.1117/12.663156
Show Author Affiliations
S. Bertho, Univ. Hasselt (Belgium)
I. Haeldermans, Univ. Hasselt (Belgium)
A. Swinnen, Univ. Hasselt (Belgium)
J. D'Haen, IMEC vzw (Belgium)
L. Lutsen, Univ. Hasselt (Belgium)
J. V. Manca, Univ. Hasselt (Belgium)
IMEC vzw (Belgium)
D. J. M. Vanderzande, Univ. Hasselt (Belgium)
IMEC vzw (Belgium)

Published in SPIE Proceedings Vol. 6192:
Organic Optoelectronics and Photonics II
Paul L. Heremans; Michele Muccini; Eric A. Meulenkamp, Editor(s)

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