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Titel:
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The use of polyurethane as encapsulating method for polymer solar cells – an inter laboratory study on outdoor stability in 8 countries
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Auteur(s):
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Sondergaard, R.R.; Makris, T.; Lianos, P.; Manor, A.; Katz, E.A.; Gong, W.; Tuladhar, S.M.; Nelson, J.; Tuomi, R.; Sommeling, P.M.; Veenstra, S.C.; Rivaton, A.; Dupuis, A.; Teran-Escobar, G.; Lira-Cantu, M.; Sapkota, B; Zimmermann, B.; Wuerfel, U.; Matzarakis, A.; Krebs, F.C.
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Gepubliceerd door:
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Publicatie datum:
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ECN
Zonne-energie
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12-1-2012
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ECN publicatienummer:
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Publicatie type:
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ECN-W--12-010
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Artikel wetenschap tijdschrift
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Aantal pagina's:
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9
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Gepubliceerd in: Solar Energy Materials & Solar Cells (Elsevier), , 2012, Vol.99, p.292-300.
Samenvatting:
A new encapsulation method for organic solar cells has been tested on flexible solar modules and cells embedded in polyurethane,sandwiched between a tempered glass plate and a polycarbonate plate. Panels, each containing 10 organic solar modules/cells, were fabricated and installed for outdoor exposure in eight different countries for 4½ months. In order to minimize potential deviations in procedures and equipment, one person was responsible for the fabrication, installation and initial and final IV-measurements of the panels using the same equipment for all measurements and calibrations. The encapsulated modules/cells showed significantly reduced degradation compared with previous studies, with final average efficiencies around 40%of the original after 4½ months outdoor exposure. Photodegradation was furthermore found not to be the primary source of degradation.
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