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15 November 2006 Barix multilayer barrier technology for organic solar cells
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The effect of multilayer barrier materials on the lifetime of organic photovoltaic cells has been investigated. For thin film encapsulated cells a protective layer was used to prevent damage during barrier layer deposition. No post deposition effects developed after dry box storage. In accelerated temperature and humidity lifetime testing the degradation of the encapsulated cells can be related to the loss of effective cell area. An extrapolation of the lifetime at room conditions has been quantitatively determined by comparing the cell degradation with the loss of Ca in a Ca-oxidation test. The results indicate a barrier permeation rate of 10-4 gr/[m2* day] for these samples, corresponding to a lifetime of greater than 5000 hours. Routes to improvement of the OPV cell lifetime are discussed.
© (2006) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Lorenza Moro, Nicole M. Rutherford, Robert Jan Visser, Jens A. Hauch, Claudia Klepek, Patrick Denk, Pavel Schilinsky, and Christoph J. Brabec "Barix multilayer barrier technology for organic solar cells", Proc. SPIE 6334, Organic Photovoltaics VII, 63340M (15 November 2006);


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