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Start Over Author "Zhang, C. Y." Journal journal of applied spectroscopy
3 results on '"Zhang, C. Y."'

3. Energy Transfer and Colorful Emission of Eu3+- and Tb3+-Co-Doped CaWO4 Phosphors.

Author

Zhang, L. H., Zhang, C. Y., Zhou, Y. B., Li, Y. L., and Peng, Q. L.

Subjects
*ENERGY transfer, *ULTRAVIOLET lamps, *FLUORESCENCE spectroscopy, *RARE earth ions
Abstract

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. [ABSTRACT FROM AUTHOR]

Published
2024
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