Pb-Sn-Cu Ternary Organometallic Halide Perovskite Solar Cells
Li, M; Wang, ZK; Zhuo, MP; Hu, Y; Hu, KH; Ye, QQ; Jain, SM; Yang, YG; Gao, XY; Liao, LS
2018
发表期刊ADVANCED MATERIALS
ISSN0935-9648
卷号30期号:20页码:-
文章类型期刊论文
摘要Exploiting organic/inorganic hybrid perovskite solar cells (PSCs) with reduced Pb content is very important for developing environment-friendly photovoltaics. Utilizing of Pb-Sn alloying perovskite is considered as an efficient route to reduce the risk of ecosystem pollution. However, the trade-off between device performance and Sn substitution ratio due to the instability of Sn2+ is a current dilemma. Here, for the first time, the highly efficient Pb-Sn-Cu ternary PSCs are reported by partial replacing of PbI2 with SnI2 and CuBr2. Sn2+ substitution results in a redshift of the absorption onset, whereas worsens the film quality. Interestingly, Cu2+ introduction can passivate the trap sites at the crystal boundaries of Pb-Sn perovskites effectively. Consequently, a power conversion efficiency as high as 21.08% in inverted planar Pb-Sn-Cu ternary PSCs is approached. The finding opens a new route toward the fabrication of high efficiency Pb-Sn alloying perovskite solar cells by Cu2+ passivation.
关键词Light Ch3nh3sni3 Efficiency Layer Br Photovoltaics Fabrication Extraction
DOI10.1002/adma.201800258
收录类别SCI
语种英语
WOS记录号WOS:000431961600022
引用统计
文献类型期刊论文
条目标识符http://ir.sinap.ac.cn/handle/331007/29099
专题中科院上海应用物理研究所2011-2018年
作者单位1.Li, M
2.Wang, ZK
3.Zhuo, MP
4.Hu, Y
5.Hu, KH
6.Ye, QQ
7.Jain, SM
8.Yang, YG
9.Gao, XY
10.Liao, LS
推荐引用方式
GB/T 7714
Li, M,Wang, ZK,Zhuo, MP,et al. Pb-Sn-Cu Ternary Organometallic Halide Perovskite Solar Cells[J]. ADVANCED MATERIALS,2018,30(20):-.
APA Li, M.,Wang, ZK.,Zhuo, MP.,Hu, Y.,Hu, KH.,...&Liao, LS.(2018).Pb-Sn-Cu Ternary Organometallic Halide Perovskite Solar Cells.ADVANCED MATERIALS,30(20),-.
MLA Li, M,et al."Pb-Sn-Cu Ternary Organometallic Halide Perovskite Solar Cells".ADVANCED MATERIALS 30.20(2018):-.
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