Effect of Flux NH4F on Structure and Luminescence Properties of SrMoO4:Tb3+ Phosphors Synthesized by Microwave Radiation Method

Yong-Qing Zhai; Rui-Fang Li; Yao-Xuan Cui; Shan-Shan Song; Jia Qiao

doi:10.14233/ajchem.2014.16558

Issue

Vol. 26 No. 21 (2014): Vol 26 Issue 21

Issue Published : September 30, 2014

This work is licensed under a Creative Commons Attribution 4.0 International License.

Effect of Flux NH4F on Structure and Luminescence Properties of SrMoO4:Tb3+ Phosphors Synthesized by Microwave Radiation Method

https://doi.org/10.14233/ajchem.2014.16558

Yong-Qing Zhai

College of Chemistry and Environmental Science, Hebei University, Baoding 071002, P.R. China

Rui-Fang Li

College of Chemistry and Environmental Science, Hebei University, Baoding 071002, P.R. China

Yao-Xuan Cui

College of Chemistry and Environmental Science, Hebei University, Baoding 071002, P.R. China

Shan-Shan Song

College of Chemistry and Environmental Science, Hebei University, Baoding 071002, P.R. China

Jia Qiao

College of Mechanical and Electrical Engineering, Agricultural University of Hebei, Baoding 071002, P.R. China

Corresponding Author(s) : Yong-Qing Zhai

zhaiyongqinghbu@163.com

Asian Journal of Chemistry, Vol. 26 No. 21 (2014): Vol 26 Issue 21
Article Published : September 30, 2014

Abstract

SrMoO₄:Tb³⁺ green-emitting phosphors were prepared by microwave radiation method at medium-high power (560 W) for 0.5 h using active carbon as microwave absorbent and NH₄F as the flux. The effect of flux NH₄F on crystal structure, morphology and luminescent properties of samples were investigated by X-ray powder diffraction, scanning electron microscope and fluorescence spectrophotometer respectively. The results show that NH₄F-added samples are Scheelite-type tetragonal phase SrMoO4 with space group I4_1/a. The particles of SrMoO₄:Tb³⁺ phosphors prepared with flux NH₄F have smooth surface and are larger than that of sample with no flux. With the increase of NH₄F dosage, the location and shape of the excitation and emission spectra have no obvious change, but the luminescent intensity strongly depends on the dosage of NH₄F. When the dosage of NH₄F is 4 wt %, the emission intensity reaches to the maximum. Compared with the sample without flux, the intensity is enhanced about 58 %.

Keywords

Microwave radiation method SrMoO4:Tb3 Green phosphors Flux NH4F Luminescence

Zhai, Y.-Q., Li, R.-F., Cui, Y.-X., Song, S.-S., & Qiao, J. (2014). Effect of Flux NH4F on Structure and Luminescence Properties of SrMoO4:Tb3+ Phosphors Synthesized by Microwave Radiation Method. Asian Journal of Chemistry, 26(21), 7184–7186. https://doi.org/10.14233/ajchem.2014.16558

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Issue

Vol. 26 No. 21 (2014): Vol 26 Issue 21

Effect of Flux NH4F on Structure and Luminescence Properties of SrMoO4:Tb3+ Phosphors Synthesized by Microwave Radiation Method

Corresponding Author(s) : Yong-Qing Zhai

Abstract

Keywords

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