Optical properties of Pb-based aggregated phases in CsBr crystal

被引：7
|
作者：
Voloshinovskii, A
Myagkota, S
Garapyn, I
Stryganyuk, G
Rodnyi, P
van Eijk, CWE
机构：
[1] Ivan Franko Natl Univ Lviv, UA-79005 Lvov, Ukraine
[2] St Petersburg State Polytech Univ, St Petersburg 195251, Russia
[3] Delft Univ Technol, Interfac Reactor Inst, NL-2629 JB Delft, Netherlands
来源：
JOURNAL OF LUMINESCENCE | 2005年 / 111卷 / 1-2期
关键词：
free and localized excitons; nanocrystals; luminescent-kinetic parameters;
D O I：
10.1016/j.jlumin.2004.06.003
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
The emission and excitation spectra as well as luminescence decay kinetics of a CsBr:Pb (1.0 mol %) crystal have been measured under pulsed synchrotron radiation excitation. The heat-treated (similar to 200 degreesC) crystal shows evidence of single lead centres and aggregated phases such as CsPbBr3 nanocrystals. The latter have been identified from comparison of the spectral-kinetic characteristics of the CsPbBr3 aggregated phases and single crystals. The process of energy transfer from the host to the aggregates is considered. (C) 2004 Elsevier B.V. All rights reserved.
引用
收藏
页码：47 / 51
页数：5
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