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- Sun, Wenjun, 1989, et al.
(author)
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An alternating D-A1-D-A2 copolymer containing two electron-deficient moieties for efficient polymer solar cells
- 2013
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In: Journal of Materials Chemistry A. - : Royal Society of Chemistry (RSC). - 2050-7488 .- 2050-7496. ; 1:37, s. 11141-11144
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Journal article (peer-reviewed)abstract
- Unlike normal donor-acceptor (D-A) polymers containing only one electron-deficient segment in their repeating unit, the incorporation of two electron-deficient moieties with different absorption behaviors, forming a D-A1-D-A2 internal structure in the alternating copolymer, showed a broader absorption spectrum than its constituent parts and enhanced photovoltaic performance. This work is anticipated to open the door to the design of new low bandgap polymers with a broader absorption range for efficient polymer solar cells.
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