Eu3+/Tb3+-co-doped CaWO4 phosphors were synthesized by a simple green co-precipitation process. The structure of the samples was investigated by X-ray diffraction. The photoluminescence spectra and fluorescence decay lifetimes of the samples were measured to investigate the luminescence properties. We analyzed the energy transfer process between Eu3+- and Tb3+-doped CaWO4. As the Tb3+ to Eu3+ energy transfer process was confirmed, Eu3+- and Tb3+-co-doped CaWO4 phosphors showed a color-tunable emission from green to red under a 365-nm UV lamp.
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Abstract of article is published in Zhurnal Prikladnoi Spektroskopii, Vol. 90, No. 6, p. 967, November–December, 2023.
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Zhang, L.H., Zhang, C.Y., Zhou, Y.B. et al. Energy Transfer and Colorful Emission of Eu3+- and Tb3+-Co-Doped CaWO4 Phosphors. J Appl Spectrosc 90, 1346–1351 (2024). https://doi.org/10.1007/s10812-024-01672-5
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DOI: https://doi.org/10.1007/s10812-024-01672-5