微結晶CsPbCl3薄膜の強励起フォトルミネッセンス

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Author: 鈴木, 勝士郎ほか

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Publication date: 2004-03

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Note (General)：: Photoluminescence spectrum under high power excitation is measured for the microcrystalline state of CsPbCl3 films. With the increase of excitation p...

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Material Type: 文書・図像類
Title: 微結晶CsPbCl3薄膜の強励起フォトルミネッセンス
Author/Editor: 鈴木, 勝士郎
近藤, 新一
斎藤, 忠昭
浅田, 拡志
Author Heading: 鈴木, 勝士郎
近藤, 新一
斎藤, 忠昭
浅田, 拡志
Publication Date: 2004-03
Publication Date (W3CDTF): 2004-03
Alternative Title: The photoluminescence of CsPbCl3 microcrystalline films under intense excitation
Periodical title: 遠赤外領域開発研究
No. or year of volume/issue: 5
Volume: 5
Pages: 171-178
Text Language Code: jpn
Target Audience: 一般
Note (General): Photoluminescence spectrum under high power excitation is measured for the microcrystalline state of CsPbCl3 films. With the increase of excitation power Iex, there arises a change of the dominant emission band from the free exciton band (0<Iex<5kW/cm2) to its phonon replica (5kW/cm2<Iex<50kW/cm2) and finally to a strong band (Iex<50kW/cm2) originating from exciton-exciton inelastic collision, for an ordinary excitation geometry (excitation-spot area, ~1×1mm2). Stimulated emission, collected from the film edge and perpendicularly to the film surfaces, for two particular geometrices excitation, one with the spot size of 24.5×0.13mm2 and the other with the size of 0.3mm diameter. The threshold excitation power for the stimulated emission is observed even in the direction perpendicular to the film surfaces, a high optical gain is expected. The microcrystalline CsPbCl3 films provide fascinating materials for application in thin-film lasers.
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