Bulk heterojunction solar cells using thieno[3,4- c ]pyrrole-4,6-dione and dithieno[3,2- b:2′,3′- d ]silole copolymer with a power conversion efficiency of 7.3%

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DOIResolve DOI: http://doi.org/10.1021/ja200314m
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TypeArticle
Journal titleJournal of the American Chemical Society
ISSN0002-7863
Volume133
Issue12
Pages42504253; # of pages: 4
SubjectActive area; Alkyl chain; Alternating copolymer; Band gaps; Bulk heterojunction solar cells; Dithienosilole; Highest occupied molecular orbital energy levels; Photovoltaic devices; Power conversion efficiencies; Silole copolymers; Conversion efficiency; Copolymerization; Copolymers; Molecular orbitals; Photovoltaic effects; Heterojunctions; alkyl group; copolymer; dithieno[3,2 b:20,30 d]silole; polymer; thieno[3,4 c]pyrrole 4,6 dione; unclassified drug; article; energy conversion; solubility; Molecular Structure; Organosilicon Compounds; Polymers; Pyrroles
AbstractA new alternating copolymer of dithienosilole and thienopyrrole-4,6-dione (PDTSTPD) possesses both a low optical bandgap (1.73 eV) and a deep highest occupied molecular orbital energy level (5.57 eV). The introduction of branched alkyl chains to the dithienosilole unit was found to be critical for the improvement of the polymer solubility. When blended with PC71BM, PDTSTPD exhibited a power conversion efficiency of 7.3% on the photovoltaic devices with an active area of 1 cm2. © 2011 American Chemical Society.
Publication date
LanguageEnglish
AffiliationNational Research Council Canada (NRC-CNRC); NRC Institute for Microstructural Sciences (IMS-ISM); NRC Institute for Chemical Process and Environmental Technology (ICPET-ITPCE)
Peer reviewedYes
NPARC number21271458
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Record identifier9145a074-2f7b-4088-84f4-11da58cff2e8
Record created2014-03-24
Record modified2016-05-09
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