Luminescence properties of Tb3+/Eu3+ co-doped glass based on GSBR system
Source abstract
Abstract
Abstract In this work, a series of Tb3+/Eu3+ co-doped GeO2-SiO2-BaO-R2O3 (GSBR) glass were synthesized through high temperature melt cooling method. Luminescence properties of Tb3+/Eu3+ co-doped glass were studied by fluorescence spectrum, fluorescence lifetime and CIE coordinate. The energy transfer efficiency and probability were calculated by average donor distance and lifetime data, revealing that the type of energy transfer is the electric dipole-electric dipole interaction for Tb3+→Eu3+. And the efficiency of energy transfer from Tb3+ to Eu3+ increased greatly by increasing Eu3+ concentrations, which play an important role in adjusting the color at the excitation of 378 nm. The effects of different R2O3 (Gd2O3, Al2O3, Ga2O3) in the matrix on the luminescence intensity of the glass samples were compared. It was found that the luminescence intensity order of samples was Al2O3>Ga2O3>Gd2O3. Through the analysis of infrared and fluorescence spectra, the effects of different matrices components on the structure and luminescence properties of glass were revealed.
Source: openaire · Quality: candidate unverified · Source record ↗
Research context
OpenAlex topics: Luminescence Properties of Advanced Materials · Glass properties and applications · Digital Radiography and Breast Imaging
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
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