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Significant THz absorption in CH3NH2 molecular defect-incorporated organic-inorganic hybrid perovskite thin film
https://oist.repo.nii.ac.jp/records/1025
https://oist.repo.nii.ac.jp/records/10258213c2bd-a7c0-4eb0-ae01-2e6a2ea1151c
名前 / ファイル | ライセンス | アクション |
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Maeng-2019-Significant THz absorption in CH3NH (1.6 MB)
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Creative Commons
Attribution 4.0 International (https://creativecommons.org/licenses/by/4.0/) |
Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2019-07-24 | |||||
タイトル | ||||||
言語 | en | |||||
タイトル | Significant THz absorption in CH3NH2 molecular defect-incorporated organic-inorganic hybrid perovskite thin film | |||||
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) |
Maeng, Inhee
× Maeng, Inhee× Lee, Young Mi× Park, Jinwoo× Raga, Sonia R.× Kang, Chul× Kee, Chul-Sik× Yu, Byung Deok× Hong, Suklyun× Ono, Luis K.× Qi, Yabing× Jung, Min-Cherl× Nakamura, Masakazu |
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書誌情報 |
en : Scientific Reports 巻 9, 号 1, p. 5811, 発行日 2019-04-09 |
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抄録 | ||||||
内容記述タイプ | Other | |||||
内容記述 | The valid strong THz absorption at 1.58 THz was probed in the organic-inorganic hybrid perovskite thin film, CH3NH3PbI3, fabricated by sequential vacuum evaporation method. In usual solution-based methods such as 2-step solution and antisolvent, we observed the relatively weak two main absorption peaks at 0.95 and 1.87 THz. The measured absorption spectrum is analyzed by density-functional theory calculations. The modes at 0.95 and 1.87 THz are assigned to the Pb-I vibrations of the inorganic components in the tetragonal phase. By contrast, the origin of the 1.58 THz absorption is due to the structural deformation of Pb-I bonding at the grain boundary incorporated with a CH3NH2 molecular defect. | |||||
出版者 | ||||||
出版者 | Nature Research | |||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 2045-2322 | |||||
PubMed番号 | ||||||
識別子タイプ | PMID | |||||
関連識別子 | info:pmid/30967593 | |||||
DOI | ||||||
識別子タイプ | DOI | |||||
関連識別子 | info:doi/10.1038/s41598-019-42359-8 | |||||
権利 | ||||||
権利情報 | © 2019 The Author(s). | |||||
情報源 | ||||||
関連名称 | https://creativecommons.org/licenses/by/4.0/ | |||||
関連サイト | ||||||
識別子タイプ | URI | |||||
関連識別子 | https://www.nature.com/articles/s41598-019-42359-8 |