期刊
ACS ENERGY LETTERS
卷 5, 期 5, 页码 1554-1567出版社
AMER CHEMICAL SOC
DOI: 10.1021/acsenergylett.0c00537
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资金
- National Key Research and Development Program of China [2019YFA0705900]
- National Natural Science Foundation of China [21734008, 21875216, 51803178, 61721005]
- China Postdoctoral Science Foundation [2017M621907, 2019T120501]
- SAMP
- T Innovation 2025 Major Special Programme of Ningbo [2018B10055]
With the recent emergence of a new class of high-performance nonfullerene acceptors (NFAs), organic solar cells (OSCs) have entered a new phase of research featuring high power conversion efficiencies (PCEs). In this Perspective, we summarize the recent progress made from Y-series NFAs and the matched polymer donors and analyze the molecular design strategies for boosting device performance. We also perform a PCE prediction of OSCs and propose requirements for NFAs, aiming at a PCE of 20%, which is comparable to those of Si and perovskite-based counterparts. Finally, we assess three factors of efficiency, stability, and cost and outline the challenges facing OSCs and the future development directions of OSCs. This work is expected to provide valuable suggestions with a comprehensive view to advance practical application of OSCs.
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