PREPARATION OF LUMINOPHORS SrO-Al2O3-SiO2:Eu3+,Bi3+By SOL-GEL METHOD

Chinese Journal of Applied Chemistry ›› 1990, Vol. 0 ›› Issue (1): 76-79.

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PREPARATION OF LUMINOPHORS SrO-Al₂O₃-SiO₂:Eu³⁺,Bi³⁺By SOL-GEL METHOD

Li Bin¹, Xiao Hong¹, Zhang Guiqin¹, Bai Yubai²

1. Institute of Material Science, Jilin University, Changchun 130023;
2. Department of Chemistry, Jilin University, Changchun 130023

Received:1989-03-03 Revised:1989-05-23 Published:1990-02-10 Online:1990-02-10

Abstract

Abstract: In this paper, 1-14SrO-0.5Al₂O₃-4.5SiO₂:0.05Eu³⁺, 0.005Bi³⁺ was prepared at 850℃by the sol-gel method. Optimum conditions wcre judged by the relative intensity of lumi-nescence.Transition of gel to luminophor was investigated by TG:DTA, XRD and IR spectroscopy.The luminescent properties of Eu³⁺and the energy transfer from Bi³⁺to Eu³⁺were discussed according to the emission and excitation spectra of the luminophor.

Key words: luminophor, bismuth, europium doped aluminosilicate, fluorescence, energy transfer

Li Bin, Xiao Hong, Zhang Guiqin, Bai Yubai. PREPARATION OF LUMINOPHORS SrO-Al₂O₃-SiO₂:Eu³⁺,Bi³⁺By SOL-GEL METHOD[J]. Chinese Journal of Applied Chemistry, 1990, 0(1): 76-79.

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PREPARATION OF LUMINOPHORS SrO-Al₂O₃-SiO₂:Eu³⁺,Bi³⁺By SOL-GEL METHOD

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