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Title:
Methylamine-Gas-Induced Defect-Healing Behavior of CH3NH3PbI3 Thin Films for Perovskite Solar Cells
Author: Zhou, Zhongmin1; Wang, Zaiwei1; Zhou, Yuanyuan2; Pang, Shuping1; Wang, Dong1; Xu, Hongxia1; Liu, Zhihong1; Padture, Nitin P.2; Cui GuangLei(崔光磊)1
Source: ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
Issued Date: 2015-08-10
Volume: 54, Issue:33, Pages:9705-9709
Keyword: defect healing ; methylamine ; perovskite phases ; photovoltaics ; thin film
DOI: 10.1002/anie.201504379
DOC Type: Article
English Abstract: We report herein the discovery of methylamine (CH3NH2) induced defect-healing (MIDH) of CH3NH3PbI3 perovskite thin films based on their ultrafast (seconds), reversible chemical reaction with CH3NH2 gas at room temperature. The key to this healing behavior is the formation and spreading of an intermediate CH(3)NH(3)PbI(3)xCH(3)NH(2) liquid phase during this unusual perovskite-gas interaction. We demonstrate the versatility and scalability of the MIDH process, and show dramatic enhancement in the performance of perovskite solar cells (PSCs) with MIDH. This study represents a new direction in the formation of defect-free films of hybrid perovskites.
WOS Headings: Science & Technology ; Physical Sciences
WOS Subject: Chemistry, Multidisciplinary
WOS Subject Extended: Chemistry
WOS Keyword Plus: ORGANOMETAL HALIDE PEROVSKITES ; CRYSTALLIZATION ; DEPOSITION ; EMERGENCE
Indexed Type: SCI
Language: 英语
WOS ID: WOS:000358987300050
Citation statistics:
Content Type: 期刊论文
URI: http://ir.qibebt.ac.cn/handle/337004/6506
Appears in Collections:仿生能源与储能系统团队_期刊论文

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description.institution: 1.Chinese Acad Sci, Qingdao Inst Bioenergy & Bioproc Technol, Qingdao 266101, Peoples R China
2.Brown Univ, Sch Engn, Providence, RI 02912 USA

Recommended Citation:
Zhou, Zhongmin,Wang, Zaiwei,Zhou, Yuanyuan,et al. Methylamine-Gas-Induced Defect-Healing Behavior of CH3NH3PbI3 Thin Films for Perovskite Solar Cells[J]. ANGEWANDTE CHEMIE-INTERNATIONAL EDITION,2015,54(33):9705-9709.
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