Please use this identifier to cite or link to this item: http://hdl.handle.net/1942/10937
Title: Modeling the temperature induced degradation kinetics of the short circuit current in organic bulk heterojunction solar cells
Authors: CONINGS, Bert 
BERTHO, Sabine 
VANDEWAL, Koen 
Senes, Alessia
D'HAEN, Jan 
MANCA, Jean 
Janssen, Rene A. J.
Issue Date: 2010
Publisher: AMER INST PHYSICS
Source: APPLIED PHYSICS LETTERS, 96 (16)
Abstract: In organic bulk heterojunction solar cells, the nanoscale morphology of interpenetrating donor-acceptor materials and the resulting photovoltaic parameters alter as a consequence of prolonged operation at temperatures above the glass transition temperature. Thermal annealing induces clustering of the acceptor material and a corresponding decrease in the short circuit current. A model based on the kinetics of Ostwald ripening is proposed to describe the thermally accelerated degradation of the short circuit current of solar cells with poly(2-methoxy-5-(3', 7'-dimethyloctyloxy)-1,4-phenylenevinylene (MDMO-PPV) as donor and (6,6)-phenyl C-61-butyric acid methyl ester (PCBM) as acceptor. The activation energy for the degradation is determined by an Arrhenius model, allowing to perform shelf life prediction. (C) 2010 American Institute of Physics. [doi:10.1063/1.3391669]
Notes: [Conings, Bert; Bertho, Sabine; Vandewal, Koen; D'Haen, Jan; Manca, Jean] Hasselt Univ, IMEC IMOMEC, Vzw, Inst Mat Res, B-3590 Diepenbeek, Belgium. [Senes, Alessia] Konarka Austria GmbH, A-4040 Linz, Austria. [Janssen, Rene A. J.] Eindhoven Univ Technol, NL-5600 MB Eindhoven, Netherlands. bert.conings@uhasselt.be
Document URI: http://hdl.handle.net/1942/10937
ISSN: 0003-6951
e-ISSN: 1077-3118
DOI: 10.1063/1.3391669
ISI #: 000277020600056
Category: A1
Type: Journal Contribution
Validations: ecoom 2011
Appears in Collections:Research publications

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