期刊
JOURNAL OF MATERIALS CHEMISTRY A
卷 1, 期 37, 页码 11141-11144出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c3ta12321a
关键词
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资金
- Swedish Research Council
- Swedish Energy Agency
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-A(1)-D-A(2) 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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