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Inverse Growth of Large-Grain-Size and Stable Inorganic Perovskite Micronanowire Photodetectors
https://oist.repo.nii.ac.jp/records/1530
https://oist.repo.nii.ac.jp/records/1530830b118d-046b-4fad-bb5f-9794fd266beb
名前 / ファイル | ライセンス | アクション |
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MS (4.6 MB)
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2020-05-28 | |||||
タイトル | ||||||
言語 | en | |||||
タイトル | Inverse Growth of Large-Grain-Size and Stable Inorganic Perovskite Micronanowire Photodetectors | |||||
言語 | ||||||
言語 | eng | |||||
資源タイプ | ||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_6501 | |||||
資源タイプ | journal article | |||||
著者(英) |
Tong, Guoqing
× Tong, Guoqing× Jiang, Maowei× Son, Dae-Yong× Qiu, Longbin× Liu, Zonghao× Ono, Luis K.× Qi, Yabing |
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書誌情報 |
en : ACS Applied Materials & Interfaces 巻 12, 号 12, p. 14185-14194, 発行日 2020-03-05 |
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抄録 | ||||||
内容記述タイプ | Other | |||||
内容記述 | Control of forward and inverse reactions between perovskites and precursor materials is key to attaining high-quality perovskite materials. Many techniques focus on synthesizing nanostructured CsPbX3 materials (e.g., nanowires) via a forward reaction (CsX + PbX2 → CsPbX3). However, low solubility of inorganic perovskites and complex phase transition make it difficult to realize the precise control of composition and length of nanowires using the conventional forward approach. Herein, we report the self-assembly inverse growth of CsPbBr3 micronanowires (MWs) (CsPb2Br5 → CsPbBr3 + PbBr2↑) by controlling phase transition from CsPb2Br5 to CsPbBr3. The two-dimensional (2D) structure of CsPb2Br5 serves as nucleation sites to induce initial CsPbBr3 MW growth. Also, phase transition allows crystal rearrangement and slows down crystal growth, which facilitates the MW growth of CsPbBr3 crystals along the 2D planes of CsPb2Br5. A CsPbBr3 MW photodetector constructed based on the inverse growth shows a high responsivity of 6.44 A W–1 and detectivity of ∼1012 Jones. Large grain size, high crystallinity, and large thickness can effectively alleviate decomposition/degradation of perovskites, which leads to storage stability for over 60 days in humid environment (relative humidity = 45%) and operational stability for over 3000 min under illumination (wavelength = 400 nm, light intensity = 20.06 mW cm–2). | |||||
出版者 | ||||||
出版者 | American Chemical Society | |||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 1944-8244 | |||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 1944-8252 | |||||
PubMed番号 | ||||||
関連タイプ | isVersionOf | |||||
識別子タイプ | PMID | |||||
関連識別子 | info:pmid/32134239 | |||||
DOI | ||||||
関連タイプ | isVersionOf | |||||
識別子タイプ | DOI | |||||
関連識別子 | info:doi/10.1021/acsami.0c01056 | |||||
権利 | ||||||
権利情報 | © 2020 American Chemical Society | |||||
権利 | ||||||
権利情報 | This document is the Accepted Manuscript version of a Published Work that appeared in final form in ACS Applied Materials & Interfaces, copyright © American Chemical Society after peer review and technical editing by the publisher. To access the final edited and published work see https://pubs.acs.org/doi/10.1021/acsami.0c01056. | |||||
関連サイト | ||||||
識別子タイプ | URI | |||||
関連識別子 | https://pubs.acs.org/doi/10.1021/acsami.0c01056 | |||||
著者版フラグ | ||||||
出版タイプ | AM | |||||
出版タイプResource | http://purl.org/coar/version/c_ab4af688f83e57aa |