In situ optical absorption spectroscopy of annealing behaviours of quench-deposited films in the binary system CsI- PbI2

Material type: 文書・図像類

Author: KONDO, Sほか

Publisher: Institute of Physics Publishing

Publication date: 2003-02

Material Format: Digital

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Note (General)：: We have investigated annealing behaviours of quench-deposited films of the binary CsI-PbI2system by in situ optical absorption spectroscopy. Various f...

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Material Type: 文書・図像類
Title: In situ optical absorption spectroscopy of annealing behaviours of quench-deposited films in the binary system CsI- PbI2
Author/Editor: KONDO, S
AMAYA, K
SAITO, T
Author Heading: KONDO, S
AMAYA, K
SAITO, T
Publication, Distribution, etc.: Institute of Physics Publishing
Publication Date: 2003-02
Publication Date (W3CDTF): 2003-02
Periodical title: Journal of Physics - Condensed Matter
No. or year of volume/issue: 15 6
Volume: 15
Issue: 6
Pages: 971-977
Text Language Code: eng
Target Audience: 一般
Note (General): We have investigated annealing behaviours of quench-deposited films of the binary CsI-PbI2system by in situ optical absorption spectroscopy. Various films composed of multiple crystalline phases of CsPbI3 and/or Cs4PbI6 as well as of CsI and/or PbI2are obtained, depending on the mixing ratio of the CsI and PbI2. It is difficult to prepare films purely composed of a single CsPbI3 or Cs4PbI6phase alone. However, it is possible to obtain films where crystallites of either CsPbI3 or Cs4PbI6coexist with the CsI phase. Using such films, we measure the fundamental optical absorption spectrum of CsPbI3 and Cs4PbI6 for the first time. Cs4PbI6exhibits stronger oscillator-like absorption compared to CsPbI3, due to the localized nature of both the Pb 6s and 6p states.
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