文献类型：期刊文献

英文题名：Gamma-ray induced reversible photochromism of Mn2+ activated borophosphate glasses

作者：Ren, Jing[1];Xu, Xiaoqing[1];Shen, Wei[1];Chen, Guorong[1];Baccaro, Stefania[2];Cemmi, Alessia[2]

机构：[1]E China Univ Sci & Technol, Minist Educ, Key Lab Ultrafine Mat, Sch Mat Sci & Engn, Shanghai 200237, Peoples R China;[2]ENEA UTT MAT, I-00123 Rome, Italy

年份：2015

卷号：143

起止页码：635

外文期刊名：SOLAR ENERGY MATERIALS AND SOLAR CELLS

收录：;EI(收录号：20151100637683);WOS:【SCI-EXPANDED(收录号:WOS:000364250200086)】；

基金：This study was supported by Shanghai Leading Academic Discipline Project (No. B502), National Natural Science Foundation of China, China (NSFC 51072052 and NSFC 51302082) and China Postdoctoral Science Foundation (2013M540335).

语种：英文

外文关键词：Photochromic glasses; Borophosphate glasses; Mn2+; Gamma ray irradiation; Thermal; Bleaching

摘要：Photochromic glasses have attracted increasing interests as switchable lenses and radiation dosimeters. Here, we report on a new and cheap photochromatic material, Mn2+ activated borophosphate glass which can be readily prepared by the conventional melt-quenching method. The photochromic properties are characterized by differential absorption spectra, and the photochromism stems from the conversion of Mn2+ to Mn3+ when the glass samples are exposed to gamma-rays. Our results show that the photochromism can be controlled by modifying the glass structure and optical basicity through adding of alkali (Na2O) and alkali-earth (SrO, BaO and CaO) oxides. (C) 2014 Elsevier B.V. All rights reserved.