Tb3+-doped Zn–Al (Zn–Al–Tb) hydrotalcites with tunable blue-green emission synthesized by co-precipitation. 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 Zn–Al hydrotalcite exhibited blue fluorescence at 350–450 nm. Under an excitation wavelength of 231 nm, Zn–Al–Tb 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, Zn–Al–Tb hydrotalcites can exhibit emission from green to blue wavelengths, which indicates that Zn–Al–Tb hydrotalcites are potential multicolor functional materials.
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Abstract of article is published in Zhurnal Prikladnoi Spektroskopii, Vol. 89, No. 4, p. 596, July–August, 2022.
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Zhang, L.H., Li, Y.L., Zhou, Y.B. et al. Preparation and Tunable Luminescence Properties of Tb(III)-Doped Zinc–Aluminum Hydrotalcite-Like Compounds. J Appl Spectrosc 89, 803–808 (2022). https://doi.org/10.1007/s10812-022-01428-z
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DOI: https://doi.org/10.1007/s10812-022-01428-z