Theoretical Study of Using Kinetics Strategy to Enhance the Stability of Tin Perovskite
Wei, Qi; Ke, Youqi; Ning, Zhijun
2020
Source PublicationENERGY & ENVIRONMENTAL MATERIALS
ISSN2575-0356
Volume3Issue:4Pages:541-547
Status已发表
DOI10.1002/eem2.12075
AbstractTin 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.
Keyworddensity functional theory interface oxidation stability tin perovskite
Indexed BySCI
Language英语
WOS Research AreaMaterials Science
WOS SubjectMaterials Science, Multidisciplinary
WOS IDWOS:000601284000009
PublisherWILEY
Citation statistics
Cited Times:5[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttps://kms.shanghaitech.edu.cn/handle/2MSLDSTB/123617
Collection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
Corresponding AuthorKe, Youqi; Ning, Zhijun
AffiliationShanghaiTech Univ, Sch Phys Sci & Technol, Shanghai 201210, Peoples R China
First Author AffilicationSchool of Physical Science and Technology
Corresponding Author AffilicationSchool of Physical Science and Technology
First Signature AffilicationSchool of Physical Science and Technology
Recommended Citation
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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