Theoretical Study of Using Kinetics Strategy to Enhance the Stability of Tin Perovskite
Wei, Qi; Ke, Youqi; Ning, Zhijun
2020-12
发表期刊ENERGY & ENVIRONMENTAL MATERIALS
ISSN2575-0356
卷号3期号:4页码:541-547
发表状态已发表
DOI10.1002/eem2.12075
摘要Tin perovskite solar cell received great attention in recent years owing to its optimum bandgap and heavy metal-free property. The main concern for the development of tin perovskite is the oxidation from Sn2+ to Sn4+. Herein, we report a surface hetero-protection strategy to avoid the surface reaction of tin perovskite. Three types of materials, including low-dimensional tin perovskite, alkali metal halide, and oxides of group IVA element, are exploited as protecting materials on tin perovskite surface with first-principles calculation. The lattice mismatch, oxidation resistance, and interface stability of these materials are investigated to search for ideal protecting-layer materials. After screening over 30 candidates, we finally obtain 8 suitable materials (SiO2, GeO2, KCl, NaBr, CsF, LiF, LiI, CsSn2Br5) for hetero-protection of tin perovskite. To further understand their application potential in a solar cell device, we then calculate the property of charge transfer between the interface of these materials and tin perovskite. Our study provides a guide for the experimental realization of efficient and stable tin perovskite solar cell.
关键词density functional theory interface oxidation stability tin perovskite
收录类别SCI ; SCIE ; EI
语种英语
WOS研究方向Materials Science
WOS类目Materials Science, Multidisciplinary
WOS记录号WOS:000601284000009
出版者WILEY
引用统计
文献类型期刊论文
条目标识符https://kms.shanghaitech.edu.cn/handle/2MSLDSTB/123617
专题物质科学与技术学院
物质科学与技术学院_PI研究组_柯友启组
物质科学与技术学院_PI研究组_宁志军组
物质科学与技术学院_硕士生
物质科学与技术学院_博士生
通讯作者Ke, Youqi; Ning, Zhijun
作者单位ShanghaiTech Univ, Sch Phys Sci & Technol, Shanghai 201210, Peoples R China
第一作者单位物质科学与技术学院
通讯作者单位物质科学与技术学院
第一作者的第一单位物质科学与技术学院
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GB/T 7714
Wei, Qi,Ke, Youqi,Ning, Zhijun. Theoretical Study of Using Kinetics Strategy to Enhance the Stability of Tin Perovskite[J]. ENERGY & ENVIRONMENTAL MATERIALS,2020,3(4):541-547.
APA Wei, Qi,Ke, Youqi,&Ning, Zhijun.(2020).Theoretical Study of Using Kinetics Strategy to Enhance the Stability of Tin Perovskite.ENERGY & ENVIRONMENTAL MATERIALS,3(4),541-547.
MLA Wei, Qi,et al."Theoretical Study of Using Kinetics Strategy to Enhance the Stability of Tin Perovskite".ENERGY & ENVIRONMENTAL MATERIALS 3.4(2020):541-547.
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