High-efficiency inverted solar cells based on a low bandgap polymer with excellent air stability

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DOIResolve DOI: http://doi.org/10.1016/j.solmat.2011.09.042
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TypeArticle
Journal titleSolar Energy Materials and Solar Cells
ISSN09270248
Volume96
Pages155159; # of pages: 5
SubjectInverted organic solar cells; Alternating dithienosilole and thienopyrrole-4,6-dione copolymer; ZnO nanocrystals; Processing additives; Air stability
AbstractA high-efficiency inverted bulk heterojunction (BHJ) solar cell with good air stability is fabricated using annealing-free ZnO nanocrystals as an electron-transport layer and a blend of a low bandgap polymer PDTSTPD and PC71BM as an active layer. A power conversion efficiency as high as 6.7% has been achieved on the inverted devices with an active area of 1.0 cm² using nitrobenzene as a processing additive. The device is highly stable, retaining 85% of its original efficiency after being stored in air for 32 days even without encapsulation.
Publication date
LanguageEnglish
AffiliationNRC Institute for Microstructural Sciences; National Research Council Canada
Peer reviewedYes
IdentifierS0927024811005289
NPARC number21268879
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Record identifier4303b135-80b5-4a58-9379-58cb179dc5cb
Record created2013-11-21
Record modified2016-05-09
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