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Energy Transfer and Colorful Emission of Eu3+ and Tb3+ Co-doped CaWO4 Phosphors
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+ co-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.
Supporting agencies: This work was financially supported by the National Natural Science Foundation of China-Henan (Grant No. U2004193), Henan Provincial Science and Technology Development Funds (No. 222102320057), and the Doctor Foundation of Pingdingshan University (PXYBSQD-2015004). We thank the Analytical Center of Pingdingshan University and Changchun Institute of Applied Chemistry for the characterization of the samples
About the Authors
L. H. Zhang
School of Chemistry and Environmental Engineering, Pingdingshan University
China
China
Pingdingshan
C. Y. Zhang
School of Chemistry and Environmental Engineering, Pingdingshan University
China
China
Pingdingshan
Y. B. Zhou
School of Chemistry and Environmental Engineering, Pingdingshan University
China
China
Pingdingshan
Y. L. Li
School of Chemistry and Environmental Engineering, Pingdingshan University
China
China
Pingdingshan
Q. L. Peng
School of Chemistry and Environmental Engineering, Pingdingshan University
China
China
Pingdingshan
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Review
For citations:
Zhang L.H., Zhang C.Y., Zhou Y.B., Li Y.L., Peng Q.L. Energy Transfer and Colorful Emission of Eu3+ and Tb3+ Co-doped CaWO4 Phosphors. Zhurnal Prikladnoii Spektroskopii. 2023;90(6):967.
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