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Humidity-Induced Defect-Healing of Formamidinium-Based Perovskite Films
2021-12
发表期刊SMALL (IF:13.0[JCR-2023],13.5[5-Year])
ISSN1613-6810
EISSN1613-6829
发表状态已发表
DOI10.1002/smll.202104165
摘要

Formamidinium (FA)-based perovskite material holds great potential to deliver highly efficient commercial solar cells. However, the FA-based perovskite films are commonly processed under a strictly controlled environment, which would eventually hinder their way to commercialization. Herein, a systematic study is conducted to investigate the sequential deposition of FA-based perovskite films that are annealed under ambient conditions. Unexpectedly, the films prepared in low humidity condition possess less pinholes and defects and exhibit better device performances than those prepared in the moisture-free condition. A series of in situ and ex situ investigations are conducted which reveal defects in perovskite films are continuously healed during the film annealing process under the humid condition. This extraordinary effect is attributed to the interaction between water molecules and perovskite. The current study should shed light on the ambient fabrication of FA-based perovskite solar cells and foster their real-world applications.

关键词humidity in situ GI-XRD metal halide perovskites phase transformation solar cells
收录类别SCIE ; EI
语种英语
WOS研究方向Chemistry ; Science & Technology - Other Topics ; Materials Science ; Physics
WOS类目Chemistry, Multidisciplinary ; Chemistry, Physical ; Nanoscience & Nanotechnology ; Materials Science, Multidisciplinary ; Physics, Applied ; Physics, Condensed Matter
WOS记录号WOS:000711405700001
出版者WILEY-V C H VERLAG GMBH
原始文献类型Article; Early Access
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文献类型期刊论文
条目标识符https://kms.shanghaitech.edu.cn/handle/2MSLDSTB/128587
专题物质科学与技术学院_博士生
物质科学与技术学院_PI研究组_陈刚组
物质科学与技术学院_公共科研平台_分析测试平台
物质科学与技术学院_硕士生
通讯作者Liu, Ning; Chen, Gang
作者单位
1.ShanghaiTech Univ, Sch Phys Sci & Technol, Shanghai 201210, Peoples R China;
2.Univ Shanghai Sci & Technol, Sch Environm & Architecture, Shanghai 200093, 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
推荐引用方式
GB/T 7714
Meng, Ke,Wang, Chunwu,Qiao, Zhi,et al. Humidity-Induced Defect-Healing of Formamidinium-Based Perovskite Films[J]. SMALL,2021.
APA Meng, Ke.,Wang, Chunwu.,Qiao, Zhi.,Zhai, Yufeng.,Yu, Runze.,...&Chen, Gang.(2021).Humidity-Induced Defect-Healing of Formamidinium-Based Perovskite Films.SMALL.
MLA Meng, Ke,et al."Humidity-Induced Defect-Healing of Formamidinium-Based Perovskite Films".SMALL (2021).
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