期刊
MACROMOLECULAR RAPID COMMUNICATIONS
卷 37, 期 4, 页码 287-302出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/marc.201500620
关键词
polymer solar cells; polymer donors; electron donors; organic photovoltaics
资金
- Research Grants Council of the Hong Kong Special Administrative Region, China [T23-713/11, HKBU203313]
- National Natural Science Foundation of China [51373145, 91333206]
- Science, Technology and Innovation Committee of Shenzhen Municipality [JCYJ20140419130507116]
- Hong Kong Baptist University [FRG2/13-14/083]
Side chains play a considerable role not only in improving the solubility of polymers for solution-processed device fabrication, but also in affecting the molecular packing, electron affinity and thus the device performance. In particular, electron-donating side chains show unique properties when employed to tune the electronic character of conjugated polymers in many cases. Therefore, rational electron-donating side chain engineering can improve the photovoltaic properties of the resulting polymer donors to some extent. Here, a survey of some representative examples which use electron-donating alkylthio and alkoxy side chains in conjugated organic polymers for polymer solar cell applications will be presented. It is envisioned that an analysis of the effect of such electron-donating side chains in polymer donors would contribute to a better understanding of this kind of side chain behavior in solution-processed conjugated organic polymers for polymer solar cells.
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