Side chain engineering of n-type conjugated polymer enhances photocurrent and efficiency of all-polymer solar cells

Side chain engineering of an n-type polymer provides a means of maintaining solubility while increasing crystallinity and electron mobility, leading to enhanced photocurrent. Bulk heterojunction solar cells composed of a side chain engineered copolymer (PNDIS-30BO) as acceptor and PSEHTT as donor gi...

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Bibliographic Details
Published in:Chemical communications (Cambridge, England) England), 2014-09, Vol.50 (74), p.10801-10804
Main Authors: Hwang, Ye-Jin, Earmme, Taeshik, Subramaniyan, Selvam, Jenekhe, Samson A
Format: Article
Language:English
Subjects:
Chains (polymeric)
Copolymers
Crystallinity
Electron mobility
Photocurrent
Photoelectric effect
Photovoltaic cells
Solar cells
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Summary:Side chain engineering of an n-type polymer provides a means of maintaining solubility while increasing crystallinity and electron mobility, leading to enhanced photocurrent. Bulk heterojunction solar cells composed of a side chain engineered copolymer (PNDIS-30BO) as acceptor and PSEHTT as donor give 10.4 mA cm(-2) photocurrent and 4.4% efficiency.
ISSN:1359-7345
1364-548X
DOI:10.1039/c4cc03722g