Study on the luminescence properties of the Eu3+ and Tb3+ dual-doped fluorophosphate glasses for UV sensitization detection
Source abstract
Abstract
In this article, NaPO 3-BaF 2-AlF 3-CaF 2 glasses doped with Eu 3+ and Tb 3+ were manufactured by conventional melt-quenching method, and they showed good physical properties throughout various measurements: density, refractive index, Raman scattering, and X-ray diffraction (XRD). Basing on Judd-Ofelt theory, the Ω 2/4/6 values were calculated. The higher Ω 2 values of the Eu 3+-doped fluorophosphate glasses indicate a highly polarized environment around Eu 3+ ions. Accompanying with the Eu 3+ and Tb 3+ dual-doped glass, it showed that the response of excitation absorption extended by whole UVA region. This phenomenon was explained by the energy transferring between Eu 3+ and Tb 3+. Combining the dual-doped glass with silicon-based photodetectors, the spectral response of the detectors in the UVA region was improved up to 20%.
Source: expertdata · 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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