Design and Synthesis of a Low Bandgap Small Molecule Acceptor for Efficient Polymer Solar Cells
Top Cited Papers
- 5 July 2016
- journal article
- research article
- Published by Wiley in Advanced Materials
- Vol. 28 (37), 8283-8287
- https://doi.org/10.1002/adma.201602642
Abstract
A novel non-fullerene acceptor, possessing a very low bandgap of 1.34 eV and a high-lying lowest unoccupied molecular orbital level of −3.95 eV, is designed and synthesized by introducing electron-donating alkoxy groups to the backbone of a conjugated small molecule. Impressive power conversion efficiencies of 8.4% and 10.7% are obtained for fabricated single and tandem polymer solar cells.Keywords
Funding Information
- Ministry of Science and Technology of the People's Republic of China (2014CB643501)
- National Natural Science Foundation of China (21325419, 91333204, 51373181)
- Chinese Academy of Sciences (XDB12030200, KJZD‐EW‐J01)
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