期刊
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
卷 131, 期 39, 页码 13886-+出版社
AMER CHEMICAL SOC
DOI: 10.1021/ja9066139
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资金
- National Science Foundation's NSF-STC program [DMR-0120967]
- DOE [DE-FC36-08GO18024/A000]
- Ministry of Education, Science and Technology [R31-10035]
- Boeing-Johnson Foundation
Two new conjugated polymers have been designed and synthesized for polymer solar cells. Both of them exhibit excellent photovoltaic properties with a power conversion efficiency as high as 4.74%. Different from the traditional linear donor-acceptor (D-A) type conjugated polymers, these newly designed polymers have a two-dimensional conjugated structure with their tunable acceptors located at the end of D-A side chains and connected with the donors on the main chain through an efficient in-bridge. This approach provides great flexibility in fine-tuning the absorption spectra and energy levels of the resultant polymers for achieving high device performance.
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