期刊
SMALL METHODS
卷 4, 期 9, 页码 -出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/smtd.202000254
关键词
dopant-free materials; hole transporting materials; perovskite solar cells; small molecules
资金
- National Key Research and Development Project funding from the Ministry of Science and Technology of the People's Republic of China [2016YFA0202400, 2016YFA0202404]
- Peacock Team Project funding from Shenzhen Science and Technology Innovation Committee [KQTD2015033110182370]
- Shenzhen Engineering R&D Center for Flexible Solar Cells project funding from Shenzhen Development and Reform Committee [2019-126]
- Shenzhen Science and Technology Innovation Committee [JCYJ20180302174321291]
Perovskite solar cells (PSCs) based on conventional hole-transporting materials (HTMs) have achieved power conversion efficiencies comparable to those of typical inorganic solar cells; however, the dopants used to increase the hole mobility or the film-forming ability impart these devices with a poor long-term stability, blocking the industrial commercialization of PSCs. As an alternative, HTMs without any dopants are explored. Herein, dopant-free small molecular HTMs (SM-HTMs) are reviewed and the performance based on the analyses of their molecular structures are evaluated. A summary of the designing principle and an outlook of the development of highly efficient SM-HTMs are presented.
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