NIMTE OpenIR  > 2018专题
In-situ cross-linking strategy for efficient and operationally stable methylammoniun lead iodide solar cells
Li, Xiaodong; Zhang, Wenxiao; Wang, Ying-Chiao; Zhang, Wenjun; Wang, Hai-Qiao; Fang, Junfeng
2018
Source PublicationNATURE COMMUNICATIONS
Volume9
AbstractLong-term operational stability is the foremost issue delaying the commercialization of perovskite solar cells (PSCs). Here we demonstrate an in-situ cross-linking strategy for operationally stable inverted MAPbI(3) PSCs through the incorporation of a cross-linkable organic small molecule additive trimethylolpropane triacrylate (TMTA) into perovskite films. TMTA can chemically anchor to grain boundaries and then in-situ cross-link to a robust continuous network polymer after thermal treatment, thus enhancing the thermal, water-resisting and light-resisting properties of organic/perovskite films. As a result, the crosslinked PSCs exhibit 590-fold improvement in operational stability, retaining nearly 80% of their initial efficiency after continuous power output for 400 h at maximum power point under full-sun AM 1.5 G illumination of Xenon lamp without any UV-filter. In addition, under moisture or thermal (85 degrees C) conditions, cross-linked TMTA-based PSCs also show excellent stability with over 90% of their initial or post burn-in efficiency after aging for over 1000 h.
KeywordOrganometal Halide Perovskites Thin-films Photovoltaic Cells Ion migratIon Stability Performance Degradation Passivation Behavior Light
Subject AreaChemistry ; Science & Technology - Other Topics ; Materials Science
Language英语
Document Type期刊论文
Identifierhttp://ir.nimte.ac.cn/handle/174433/17195
Collection2018专题
Recommended Citation
GB/T 7714
Li, Xiaodong,Zhang, Wenxiao,Wang, Ying-Chiao,et al. In-situ cross-linking strategy for efficient and operationally stable methylammoniun lead iodide solar cells[J]. NATURE COMMUNICATIONS,2018,9.
APA Li, Xiaodong,Zhang, Wenxiao,Wang, Ying-Chiao,Zhang, Wenjun,Wang, Hai-Qiao,&Fang, Junfeng.(2018).In-situ cross-linking strategy for efficient and operationally stable methylammoniun lead iodide solar cells.NATURE COMMUNICATIONS,9.
MLA Li, Xiaodong,et al."In-situ cross-linking strategy for efficient and operationally stable methylammoniun lead iodide solar cells".NATURE COMMUNICATIONS 9(2018).
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