Optical properties of photo-thermo-refractive glasses doped with terbium
ST PETERSBURG POLYTECHNIC UNIVERSITY JOURNAL-PHYSICS AND MATHEMATICS(2023)
摘要
In this study two types of photo-thermo-refractive glasses were investigated. First one was the classical photo-thermo-refractive glass doped with 0,007 mol.% Ce3+ co-doped with 1 mol.% Tb3+ and the second one did not contain any Ce3+ but only 1 mol.% Tb3+. These types of glass were exposed to the mercury lamp using a cut-off filter that do not transmit wavelengths shorter than 350 nm. After the heat treatment such glasses did not show any plasmon resonance absorption peak. But in samples of photo-thermo-refractive glass without any Ce3+ but only containing Tb3+ plasmon resonance absorption peak corresponded to silver nanoparticles was appeared at 430 nm after mercury lamp exposure without filter and subsequent heat treatment.
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关键词
PTR glass,plasmon resonance,silver nanoparticles,terbium
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