Structure and Luminescent Properties of YAG:Eu,Bi Synthesized by Sol-Gel Method

Abstract

Abstract: (Y_{1- x-y}Eu_x)₃Al₅O₁₂ and (Y_{1- x-y}Eu_xBi_y)₃Al₅O₁₂ were prepared by sol gel method. Their structures of the luminophor are similar to that of YAG, which is recorded on the ASTMcard and belongs to a cubic system. The luminescent properties show that the reaction temperature of the current sol gel method is in the range of 400500 ℃, which is lower than that of the conventional solid state reaction. The luminophors have the strongest emission intensity when the values of x and y are 0.06 and 0.013, respectively.

Key words: Sol gel method, Eu ³⁺, Bi ³⁺, Luminescence, Sensitization

CLC Number:

O644.17

TrendMD:

ZHOU Shi-Hong, ZHANG Si-Yuan, ZHANG Jing-Jun, PENG Wen-Ge . Structure and Luminescent Properties of YAG:Eu,Bi Synthesized by Sol-Gel Method[J]. Chem. J. Chinese Universities, 1998, 19(11): 1826.

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Structure and Luminescent Properties of YAG:Eu,Bi Synthesized by Sol-Gel Method

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