期刊
JOURNAL OF MATERIALS CHEMISTRY A
卷 7, 期 10, 页码 5221-5226出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c8ta12139g
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资金
- High-Level Talents Foundation of Yunnan University [KL180015]
- Science and Engineering Foundation of Yunnan University [KC1710160]
Hole-transport materials (HTMs) play an important role in the most highly performing perovskite solar cells (PSCs). In this work, for the first time, an efficient cyclopenta[hi]aceanthrylene-based dopant-free D-A-D type hole transport material (HTM) YN3 is developed for application in organic-inorganic hybrid and all-inorganic perovskite solar cells (PSCs) with high performance. The (FAPbI(3))(0.85)(MAPbBr(3))(0.15) and CsPbI2Br PSCs devices based on YN3 as a dopant-free HTM render very impressive PCEs of 18.84% and 12.05%, respectively. The obtained PCE values of YN3-based PSCs outperform most dopant-free HTMs based on small organic molecules reported so far. More encouragingly, the YN3-based PSCs without encapsulation display good long-term stability.
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