Bisfuran-s-Tetrazine-Based Conjugated Polymers: Synthesis, Characterization, and Photovoltaic Properties

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DOIResolve DOI: http://doi.org/10.1002/macp.201100358
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TypeArticle
Journal titleMacromolecular chemistry and physics
Volume212
Issue20
Pages22602267; # of pages: 8
Subjectbulk heterojunctions; conjugated polymers; nanocomposites; solar cells; s-tetrazine
AbstractBisfuran-s-tetrazine (FTz) and its copolymers with cyclopenta[2,1-b:3,4-b']dithiophene (CPDT) and benzo[1,2-b:4,5-b']dithiophene (BDT) (PCPDTFTz and PBDTFTz) are prepared with the alternating s-tetrazine and CPDT or BDT units bridged by a furan ring. Their optical and electrochemical properties are studied and compared with their thiophene analogs (PCPDTTTZ-out and PCPDTTTz-in), in which the bridging unit is 4-hexylthiophene or 3-hexylthiophene, respectively. Bulk heterojunction (BHJ) solar cells fabricated from these polymers with PC(sub)71BM have a power conversion efficiency (PCE) of 0.8 percent, which is much lower than that from the PCPDTTTz-out analog (3.2 percent), due to the low steric hindrance of the furan polymers in the absence of alkyl substitution on the furan ring.
Publication date
PublisherWiley
LanguageEnglish
AffiliationNRC Institute for Chemical Process and Environmental Technology; National Research Council Canada
Peer reviewedYes
NRC number52601
NPARC number19335198
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Record identifier22787eea-541c-4023-ae56-80edd8d2d75c
Record created2012-01-27
Record modified2016-05-09
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