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Performance Enhancement of Inverted Perovskite Solar Cells Based on Smooth and Compact PC61BM:SnO2 Electron Transport Layers
Wang, Yao1,2; Duan, Chenghao1; Li, Jiangsheng1; Han, Wei1; Zhao, Min1; Yao, Lili1; Wang, Yuanyuan1; Yan, Chao2; Jiu, Tonggang1
2018-06-13
发表期刊ACS APPLIED MATERIALS & INTERFACES
ISSN1944-8244
卷号10期号:23页码:20128-20135
摘要In this work, PC61BM:SnO2 electron transport layers (ETLs) were applied in inverted CH3NH3PbI3 perovskite solar cells, and a high power conversion efficiency of 19.7% could be obtained. It increased by 49.0% in comparison with the device based on PC61 BM-only ETL (13.2%). SnO2 nanocrystals with excellent dispersibility were employed here to fill the pinholes and cover the valleys of PC61BM layer, forming smooth and compact PC61BM:SnO2 layers. Simultaneously, the electron traps caused by deep-level native defects of SnO2 were reduced by PC61BM, proved by the space charge limited current analysis. Thus, PC61BM:SnO2 ETLs can inhibit both of the defects in PC61BM and SnO2 layers which contribute to the electron transport improvement and reduce the recombination loss. Moreover, the device stability based on the bilayer was significantly improved in comparison with the PC61 BM-only device and the performance of 85% could be maintained after 1 month.
关键词SnO2 perovskite solar cell inverted structure electron traps device stability
DOI10.1021/acsami.8b03444
关键词[WOS]ORGANOMETAL HALIDE PEROVSKITES ; QUANTUM DOTS ; EFFICIENCY ; SNO2 ; HYSTERESIS ; GRAPHDIYNE ; STABILITY ; PCBM
语种英语
资助项目National Natural Science Foundation of China[51672288] ; Youth Innovation Promotion Association of Chinese Academy of Sciences ; Major Basic Research Program of Shandong Natural Science Foundation[ZR2017ZB0313]
WOS研究方向Science & Technology - Other Topics ; Materials Science
项目资助者National Natural Science Foundation of China ; Youth Innovation Promotion Association of Chinese Academy of Sciences ; Major Basic Research Program of Shandong Natural Science Foundation
WOS类目Nanoscience & Nanotechnology ; Materials Science, Multidisciplinary
WOS记录号WOS:000435525100092
出版者AMER CHEMICAL SOC
引用统计
被引频次:2[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.qibebt.ac.cn/handle/337004/12487
专题中国科学院青岛生物能源与过程研究所
通讯作者Jiu, Tonggang
作者单位1.Chinese Acad Sci, Qingdao Inst Bioenergy & Bioproc Technol, Qingdao 266101, Shandong, Peoples R China
2.Jiangsu Univ Sci & Technol, Coll Mat Sci & Engn, Zhenjiang 212003, Jiangsu, Peoples R China
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Wang, Yao,Duan, Chenghao,Li, Jiangsheng,et al. Performance Enhancement of Inverted Perovskite Solar Cells Based on Smooth and Compact PC61BM:SnO2 Electron Transport Layers[J]. ACS APPLIED MATERIALS & INTERFACES,2018,10(23):20128-20135.
APA Wang, Yao.,Duan, Chenghao.,Li, Jiangsheng.,Han, Wei.,Zhao, Min.,...&Jiu, Tonggang.(2018).Performance Enhancement of Inverted Perovskite Solar Cells Based on Smooth and Compact PC61BM:SnO2 Electron Transport Layers.ACS APPLIED MATERIALS & INTERFACES,10(23),20128-20135.
MLA Wang, Yao,et al."Performance Enhancement of Inverted Perovskite Solar Cells Based on Smooth and Compact PC61BM:SnO2 Electron Transport Layers".ACS APPLIED MATERIALS & INTERFACES 10.23(2018):20128-20135.
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