Journal
ADVANCED MATERIALS
Volume 28, Issue 44, Pages 9729-+Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/adma.201603518
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Funding
- 973 program [2014CB643503]
- National Natural Science Foundation of China [21474088]
- National 1000 Young Talents Program by China government
- 100 Talents Program by Zhejiang University
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Small-molecule nonfullerene-based tandem organic solar cells (OSCs) are fabricated for the first time by utilizing P3HT:SF(DPPB) 4 and PTB7-Th:IEIC bulk heterojunctions as the front and back subcells, respectively. A power conversion efficiency of 8.48% is achieved with an ultrahigh open-circuit voltage of 1.97 V, which is the highest voltage value reported to date among efficient tandem OSCs.
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