Journal
ACS APPLIED MATERIALS & INTERFACES
Volume 11, Issue 3, Pages 2626-2631Publisher
AMER CHEMICAL SOC
DOI: 10.1021/acsami.8b02611
Keywords
graphdiyne; doping; P3CT-K; MAPbI(3); perovskite solar cells
Funding
- Major Basic Research Program of Shandong Natural Science Foundation [ZR2017ZB0313]
- Natural Science Foundation of China [51672288]
- QIBEBT [UN201705]
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Here we reported the doping of graphdiyne in P3CT-K in MAPbI(3) perovskite solar cells as hole-transport materials. The doping could improve the surface wettability of P3CT-K, and the resulting perovskite morphology was improved with homogeneous coverage and reduced grain boundaries. Simultaneously, it increased the hole-extraction mobility and reduced the recombination as well as improved the performance of devices. Therefore, a high efficiency of 19.5% was achieved based on improved short-circuit current and fill factor. In addition, hysteresis of the J-V curve was also obviously reduced. This work paves the way for the development of highly efficient perovskite solar cells.
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