Influence of fluorination of xerogels on the intensity of photoluminescence of gamma-irradiated sol-gel quartz glasses

被引：1
|
作者：
G. A. Lisovskii
V. A. Saechnikov
É. A. Chernyavskaya
T. P. Yanukovich
I. M. Mel’nichenko
E. N. Poddenezhnyi
机构：
[1] A. N. Sevchenko Scientific Research Institute of Applied Physical Problems,
[2] F. Skorina Gomel State University,undefined
来源：
Journal of Applied Spectroscopy | 2000年 / 67卷 / 2期
关键词：
tetraethylorthosilicate; xerogel; fluorination; sintering; sol-gel quartz glasses; photoluminescence; silanol groups; peroxide bridges; nonbridging oxygen atoms; gamma irradiation; radiative-optical stability;
D O I：
10.1007/BF02681862
中图分类号：
学科分类号：
摘要：
We investigated the influence of fluorination of xerogel on the intensity of luminescence with a maximum at 1.9 eV attributable to nonbridging oxygen atoms in gamma-quanta irradiated sol-gel quartzglasses. It is established that in samples with a high content of hydroxyl groups (more than 8 ppm) the intensity of this luminescence correlates with the content of hydroxyl in the initial samples. Fluorination of gels at the technological stage before sintering substantially reduces the number of silanol groups, improves the quality of glass, and increases their radiative-optical stability.
引用
收藏
页码：369 / 372
页数：3
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