期刊
SOLAR ENERGY MATERIALS AND SOLAR CELLS
卷 99, 期 -, 页码 292-300出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.solmat.2011.12.013
关键词
Encapsulation; Polyurethane; Organic solar cells; Outdoor stability study; Round robin; Inter laboratory study (ILS)
资金
- Danish Strategic Research Council [DSF 2104-07-0022]
- EUDP [64009-0050, 64011-0002]
- European Commission [248678, 261936]
- Dutch Polymer Institute (DPI) [678]
- Agentschap NL [EOSLT1002]
- UK Big Lottery Fund/OPAL project
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 41/2 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 41/2 months outdoor exposure. Photodegradation was furthermore found not to be the primary source of degradation. (C) 2011 Elsevier B.V. All rights reserved.
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