Structural and optical properties of Dy3+-doped lithium borate glass

被引：5
|
作者：
Rimbach, A. Charlotte [1 ]
Steudel, Franziska [2 ]
Ahrens, Bernd [1 ,2 ]
Schweizer, Stefan [1 ,2 ]
机构：
[1] South Westphalia Univ Appl Sci, Fac Elect Engn, Lubecker Ring 2, D-59494 Soest, Germany
[2] Fraunhofer Inst Microstruct Mat & Syst IMWS, Branch Lab, Fraunhofer Applicat Ctr Inorgan Phosphors, Lubecker Ring 2, D-59494 Soest, Germany
来源：
PHYSICS AND CHEMISTRY OF GLASSES-EUROPEAN JOURNAL OF GLASS SCIENCE AND TECHNOLOGY PART B | 2018年 / 59卷 / 02期
关键词：
DEPENDENT LUMINESCENCE; RAMAN-SCATTERING; ENERGY-TRANSFER;
D O I：
10.13036/17533562.59.2.027
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
The ratio between the network modifier Li2O and the network former B2O3 has a significant influence on the structural and optical properties of Dy3+-doped lithium borate glass. Differential scanning calorimetry shows that upon increasing the modifier-to-former ratio (Li2O-to-B2O3) in favour of Li2O, the glass transition temperature increases up to a maximum value of 502 degrees C for the 1:3 sample, while the crystallization temperature decreases linearly from 653 to 534 degrees C. Raman spectroscopy confirms the highest network connectivity for the glass with a modifier-to-former ratio of 1:3. Under ultraviolet excitation, Dy3+ shows emission lines in the visible spectral range, the most intense ones at 484 and 575 nm. The absolute photoluminescence quantum efficiency is best for the glass with a modifier-to-former ratio of 1:6.
引用
收藏
页码：93 / 96
页数：4
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