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Title

Investigation of the degradation mechanisms of a variety of organic photovoltaic devices by combination of imaging techniques-the ISOS-3 inter-laboratory collaboration

AuthorsTerán-Escobar, Gerardo ; Lira-Cantú, Mónica ; Hoppe, Harald; Krebs, Frederik C.
Issue Date2012
PublisherRoyal Society of Chemistry (UK)
CitationEnergy and Environmental Sciences 5(4): 6521-6540 (2012)
AbstractThe investigation of degradation of seven distinct sets (with a number of individual cells of n ≥ 12) of state of the art organic photovoltaic devices prepared by leading research laboratories with a combination of imaging methods is reported. All devices have been shipped to and degraded at Risø DTU up to 1830 hours in accordance with established ISOS-3 protocols under defined illumination conditions. Imaging of device function at different stages of degradation was performed by laser-beam induced current (LBIC) scanning; luminescence imaging, specifically photoluminescence (PLI) and electroluminescence (ELI); as well as by lock-in thermography (LIT). Each of the imaging techniques exhibits its specific advantages with respect to sensing certain degradation features, which will be compared and discussed here in detail. As a consequence, a combination of several imaging techniques yields very conclusive information about the degradation processes controlling device function. The large variety of device architectures in turn enables valuable progress in the proper interpretation of imaging results - hence revealing the benefits of this large scale cooperation in making a step forward in the understanding of organic solar cell aging and its interpretation by state-of-the-art imaging methods. This journal is © 2012 The Royal Society of Chemistry.
URIhttp://hdl.handle.net/10261/51030
DOI10.1039/C2EE03508A
Identifiersdoi: 10.1039/C2EE03508A
issn: 1754-5692
Appears in Collections:(CIN2) Artículos
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