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Preparation and Tunable Luminescence Properties of Tb 3+-Doped Zinc-Aluminum Hydrotalcite-Like Compounds
Abstract
Tb3+-doped Zn-Al (ZnAlTb) hydrotalcites with tunable blue-green emission synthesized by coprecipitation. The compositions and properties of the samples were characterized by X-ray diffraction (XRD), Fourier-transform infrared spectroscopy (FTIR), and photoluminescence. XRD and FTIR results indicate that the samples were in a pure hydrotalcite-like phase. The fluorescence spectra indicate that the ZnAl hydrotalcite exhibited blue fluorescence at 350–450 nm. Under an excitation wavelength of 231 nm, ZnAlTb hydrotalcite exhibited the characteristic green emission of 5D0–7FJ of Tb3+, and the fluorescence lifetime of the sample was 0.8442 ms. At different excitation wavelengths, ZnAlTb hydrotalcites can exhibit emission from green to blue wavelengths, which indicates that ZnAlTb hydrotalcites are potential multicolor functional materials.
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 Doctor Foundation of Pingdingshan University (PXYBSQD-2015004). We thank the Analytical Center of Pingdingshan University and Changchun Institute of Applied Chemistry for characterizing the samples. We thank Michael Scott Long, PhD, from Liwen Bianji (Edanz) (www.liwenbianji.cn) for editing the English text of a draft of this manuscript.
About the Authors
L. H. Zhang
School of Chemistry and Environmental Engineering at Pingdingshan University
China
China
Pingdingshan
Y. L. Li
School of Chemistry and Environmental Engineering at Pingdingshan University
China
China
Pingdingshan
Y. B. Zhou
School of Chemistry and Environmental Engineering at Pingdingshan University
China
China
Pingdingshan
C. Y. Zhang
School of Chemistry and Environmental Engineering at Pingdingshan University
China
China
Pingdingshan
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Review
For citations:
Zhang L.H., Li Y.L., Zhou Y.B., Zhang C.Y. Preparation and Tunable Luminescence Properties of Tb 3+-Doped Zinc-Aluminum Hydrotalcite-Like Compounds. Zhurnal Prikladnoii Spektroskopii. 2022;89(4):598.
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