2010Journal of Inorganic MaterialsRequires access

Influence of Annealing Process on the Photostimulated Luminescence Properties of CsBr:Eu2+

Meng Jia, Lili Zhao, Jiehua Wu, Lixin Song

Open publisher page 1 citations

Abstract

采用高温固相烧结法制备了CsBr:Eu 2+ 粉体, 系统研究了退火处理后粉体的光激励发光谱、吸收差谱和光激励发光衰减时间等, 发现退火处理能有效提高CsBr:Eu 2+ 粉体光激励发光强度, 缩短其发光衰减时间. 重点分析了退火气氛与光激励发光性能之间的关系, 实验结果表明, 退火气氛中的氧取代溴离子Br - 成为替位氧离子O s - , 而氢原子将进入间隙位成为间隙氢原子H i 0 . 替位氧离子O s - 以及H i 0 和H 2i 0 都是有效的电子俘获中心, 并且它们与空穴俘获中心的形成密切相关.

About this research paper

What this paper is about

采用高温固相烧结法制备了CsBr:Eu 2+ 粉体, 系统研究了退火处理后粉体的光激励发光谱、吸收差谱和光激励发光衰减时间等, 发现退火处理能有效提高CsBr:Eu 2+ 粉体光激励发光强度, 缩短其发光衰减时间. 重点分析了退火气氛与光激励发光性能之间的关系, 实验结果表明, 退火气氛中的氧取代溴离子Br - 成为替位氧离子O s - , 而氢原子将进入间隙位成为间隙氢原子H i 0 . 替位氧离子O s - 以及H i 0 和H 2i 0 都是有效的电子俘获中心, 并且它们与空穴俘获中心的形成密切相关.

Why it matters

OpenAlex reports 1 citations for this work. Citation counts describe recorded attention and do not establish research quality.

Key contribution

A contribution statement is not available in the OpenAlex record.

Method / approach

Method details are not available in the OpenAlex metadata.

Main findings

Findings are not separately available in the OpenAlex metadata.

Limitations

Limitations are not available in the OpenAlex metadata.

Applications

Application details are not available in the OpenAlex metadata.

Available abstract

采用高温固相烧结法制备了CsBr:Eu 2+ 粉体, 系统研究了退火处理后粉体的光激励发光谱、吸收差谱和光激励发光衰减时间等, 发现退火处理能有效提高CsBr:Eu 2+ 粉体光激励发光强度, 缩短其发光衰减时间. 重点分析了退火气氛与光激励发光性能之间的关系, 实验结果表明, 退火气氛中的氧取代溴离子Br - 成为替位氧离子O s - , 而氢原子将进入间隙位成为间隙氢原子H i 0 . 替位氧离子O s - 以及H i 0 和H 2i 0 都是有效的电子俘获中心, 并且它们与空穴俘获中心的形成密切相关.

Key concepts: Materials science, Annealing (glass), Luminescence, Photostimulated luminescence, Photoluminescence, Radiochemistry, Optoelectronics, Chemistry

Related papers

Back to paper searchBrowse research topicsOriginal source
Influence of Annealing Process on the Photostimulated Luminescence Properties of CsBr:Eu2+ — Research Paper | ScholarLens