金属ハライドにおける世界初の室温光誘導放出-CsPbBr3薄膜におけるその証拠-

Material type: 文書・図像類

Author: 中西, 貴之ほか

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Publication date: 2006-07

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Note (General)：: Photoluminescence from CsPbBr3 films prepared by crystallization from the amorphous phase is measured under N2 laser excitation. Stimulated emission ...

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Material Type: 文書・図像類
Title: 金属ハライドにおける世界初の室温光誘導放出-CsPbBr3薄膜におけるその証拠-
Author/Editor: 中西, 貴之
高橋, 一彰
斎藤, 忠昭
近藤, 新一
Author Heading: 中西, 貴之
高橋, 一彰
斎藤, 忠昭
近藤, 新一
Publication Date: 2006-07
Publication Date (W3CDTF): 2006-07
Alternative Title: The first demonstration of room temperature stimulated emission from metal halides-its evidence in CsPbBr3 films
Periodical title: 遠赤外領域開発研究
No. or year of volume/issue: 7
Volume: 7
Pages: 122-127
Text Language Code: jpn
Target Audience: 一般
Note (General): Photoluminescence from CsPbBr3 films prepared by crystallization from the amorphous phase is measured under N2 laser excitation. Stimulated emission due to free exciton-free exciton inelastic collision occurs not only at cryogenic temperature but also at elected temperatures. The intensity of the stimulated emission more rapidly increases with pumping intensity at room temperature that an 77K. The temperature dependence of the stimulated emission measured under 1100 kw cm2 pumping shows the strongest emission intensity at 330K. The stimulated emission survives even at 400K which is equivalent to the exciton binding energy, 35 meV, of CsPbBr3 bulk crystals, although it is completely quenched temperatures above 460K. FWHM of the emission band is almost constant showing a small value of 8 meV up to the highest temperature, 430K. The present work is the first demonstration of the room temperature (and even above that) stimulated emission from metal halides in the world. This encourages us to explore new laser mediums in metal halides because of their material abundance for high-yield, short-wavelength exciton luminescence and large exciton binding energy.
Source: https://u-fukui.repo.nii.ac.jp/?action=repository_action_common_download&item_id=27172&item_no=1&attribute_id=22&file_no=1
https://u-fukui.repo.nii.ac.jp/?action=repository_action_common_download&item_id=27172&item_no=1&attribute_id=22&file_no=1
Access Restrictions: 限定公開
Data Provider (Database): 国立情報学研究所 : 学術機関リポジトリデータベース（IRDB）（機関リポジトリ）
https://irdb.nii.ac.jp
Original Data Provider (Database): 福井大学 : 福井大学学術機関リポジトリ