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Surface Termination-Dependent Nanotribological Properties of Single-Crystal MAPbBr3 Surfaces
https://oist.repo.nii.ac.jp/records/1498
https://oist.repo.nii.ac.jp/records/1498eb1c6b2d-016d-4f10-ada5-4a4921f1ef76
名前 / ファイル | ライセンス | アクション |
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jp-2019-10191k revised manuscript[1] (1.4 MB)
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2020-05-14 | |||||
タイトル | ||||||
言語 | en | |||||
タイトル | Surface Termination-Dependent Nanotribological Properties of Single-Crystal MAPbBr3 Surfaces | |||||
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) |
Choi, Joong Il Jake
× Choi, Joong Il Jake× Khan, Muhammad Ejaz× Hawash, Zafer× Lee, Hyunhwa× Ono, Luis K.× Qi, Yabing× Kim, Yong-Hoon× Park, Jeong Young |
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書誌情報 |
en : The Journal of Physical Chemistry C 巻 124, 号 2, p. 1484-1491, 発行日 2019-12-17 |
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抄録 | ||||||
内容記述タイプ | Other | |||||
内容記述 | Atomistic characterization of surface termination and the corresponding mechanical properties of single-crystal methylammonium lead tribromide (MAPbBr3) are performed using combined atomic force microscopy (AFM) measurements and density functional theory (DFT) calculations. A clean MAPbBr3 surface is obtained by in situ cleavage in ultrahigh vacuum at room temperature, and the subsequent AFM measurements of the as-cleaved MAPbBr3 exhibit the coexistence of two different surface terrace types with step height differences corresponding to about half the thickness of a PbI6 octahedron layer. Concurrent friction force microscopy measurements show that the two surfaces result in two distinct friction values. Based on DFT calculations, we attribute the higher-friction and lower-friction surfaces to MABr-terminated flat and PbBr2-terminated vacant surface terminations, respectively. The calculated electronic band structures of the various MABr- and PbBr2-terminated surfaces show that the midgap states are absent, revealing the defect-tolerant nature of the ideal single-crystal MAPbBr3 surfaces. | |||||
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 | 1932-7447 | |||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 1932-7455 | |||||
DOI | ||||||
関連タイプ | isVersionOf | |||||
識別子タイプ | DOI | |||||
関連識別子 | info:doi/10.1021/acs.jpcc.9b10191 | |||||
権利 | ||||||
権利情報 | © 2019 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 The Journal of Physical Chemistry C, 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/abs/10.1021/acs.jpcc.9b10191. | |||||
関連サイト | ||||||
識別子タイプ | URI | |||||
関連識別子 | https://pubs.acs.org/doi/abs/10.1021/acs.jpcc.9b10191 | |||||
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 |