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Citation: Li Bin, Lin Jun, Tian Yiguang, Bai Yubai. Synthesis of (Mg,Ca)O-SiO₂:Eu³⁺ Bi³⁺ Luminophors by Sol-GeI Method and Thei Luminescence Behavior[J]. Chinese Journal of Applied Chemistry, ;1994, 11(1): 67-71. shu

Synthesis of (Mg,Ca)O-SiO₂:Eu³⁺ Bi³⁺ Luminophors by Sol-GeI Method and Thei Luminescence Behavior

Li Bin ¹ ,
Lin Jun ¹ ,
Tian Yiguang ¹ ,
Bai Yubai ²

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

Received Date: 9 December 1992
Available Online: 18 October 1993
Fund Project:

The Iuminophors which have composition of 0.701MgO-0.175CaO1.25SiO₂:0.06Eu³⁺,0.002Bi³⁺ and doped Li-ion as charge compensator were synthesized for the firsttime from Mg(NO₃)₂, Ca(NO₃)₂, Eu(NO₃)₃, LiNO₃ and Si(OC₂H₅)₄ via the sol-gel methodat the temperature much lower than that by the traditional solid state reaction。The optimumconditions of preparation are reported. Both the transition from sol to gel and the transitionprocess from gel to luminescent crystal were studied. The luminescence character of the lu-minophors excited by different wavelength light, as well as the luminescence behavior in different concentrations of the activators and sensitizers were explored. The energy transferfrom Bi³⁺ to Eu³⁺ in the luminophors was also discussed。
- bismuth,
- europium doped silicate,
- sol-gel method,
- preparation,
- luminophor
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Synthesis of (Mg,Ca)O-SiO2:Eu3+ Bi3+ Luminophors by Sol-GeI Method and Thei Luminescence Behavior

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Synthesis of (Mg,Ca)O-SiO₂:Eu³⁺ Bi³⁺ Luminophors by Sol-GeI Method and Thei Luminescence Behavior