期刊
SOLAR ENERGY MATERIALS AND SOLAR CELLS
卷 143, 期 -, 页码 635-639出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.solmat.2014.11.005
关键词
Photochromic glasses; Borophosphate glasses; Mn2+; Gamma ray irradiation; Thermal; Bleaching
资金
- Shanghai Leading Academic Discipline Project [B502]
- National Natural Science Foundation of China, China [NSFC 51072052, NSFC 51302082]
- China Postdoctoral Science Foundation [2013M540335]
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.
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