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Title: TOF-SIMS investigation of degradation pathways occurring in a variety of organic photovoltaic devices - the ISOS-3 inter-laboratory collaboration
Authors: Andreasen, Birgitta
Tanenbaum, David M.
Hermenau, Martin
Voroshazi, Eszter
Lloyd, Matthew T.
Galagan, Yulia
Zimmernann, Birger
KUDRET, Suleyman 
MAES, Wouter 
LUTSEN, Laurence 
Wuerfel, Uli
Andriessen, Ronn
Roesch, Roland
Hoppe, Harald
Teran-Escobar, Gerardo
Lira-Cantu, Monica
Rivaton, Agnes
Uzunoglu, Guelsah Y.
Germack, David S.
Hosel, Markus
Dam, Henrik F.
Jorgensen, Mikkel
Gevorgyan, Suren A.
Madsen, Morten V.
Bundgaard, Eva
Krebs, Frederik C.
Norrman, Kion
Issue Date: 2012
Source: PHYSICAL CHEMISTRY CHEMICAL PHYSICS, 14 (33), p. 11780-11799
Abstract: The present work is the fourth (and final) contribution to an inter-laboratory collaboration that was planned at the 3rd International Summit on Organic Photovoltaic Stability (ISOS-3). The collaboration involved six laboratories capable of producing seven distinct sets of OPV devices that were degraded under well-defined conditions in accordance with the ISOS-3 protocols. The degradation experiments lasted up to 1830 hours and involved more than 300 cells on more than 100 devices. The devices were analyzed and characterized at different points of their lifetimes by a large number of non-destructive and destructive techniques in order to identify specific degradation mechanisms responsible for the deterioration of the photovoltaic response. Work presented herein involves time-of-flight secondary ion mass spectrometry (TOF-SIMS) in order to study chemical degradation in-plane as well as in-depth in the organic solar cells. Various degradation mechanisms were investigated and correlated with cell performance. For example, photo-oxidation of the active material was quantitatively studied as a function of cell performance. The large variety of cell architectures used (some with and some without encapsulation) enabled valuable comparisons and important conclusions to be drawn on degradation behaviour. This comprehensive investigation of OPV stability has significantly advanced the understanding of degradation behaviour in OPV devices, which is an important step towards large scale application of organic solar cells.
Notes: Norrman, K (reprint author), Tech Univ Denmark, Dept Energy Convers & Storage, Frederiksborgvej 399, DK-4000 Roskilde, Denmark,
Keywords: Physical Chemistry; Atomic, Molecular & Chemical Physics
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ISSN: 1463-9076
e-ISSN: 1463-9084
DOI: 10.1039/c2cp41787a
ISI #: 000307017800024
Category: A1
Type: Journal Contribution
Validations: ecoom 2013
Appears in Collections:Research publications

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