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http://dx.doi.org/10.5762/KAIS.2010.11.1.228

Synthesis of Mn-doped Zn2SiO4 phosphor particles by solid-state method at relatively low temperature and their photoluminescence characteristics  

Lee, Jin-Hwa (Department of Industrial Chemical Engineering, College of Engineering, Chungbuk National University)
Choi, Seung-Ok (Dong Yang Oil & Fat Co., Ltd.)
Lee, Dong-Kyu (Department of Industrial Chemical Engineering, College of Engineering, Chungbuk National University)
Publication Information
Journal of the Korea Academia-Industrial cooperation Society / v.11, no.1, 2010 , pp. 228-233 More about this Journal
Abstract
Mn-doped $Zn_2SiO_4$ phosphor particles having submicrometer sizes were synthesized by a solid-state reaction method using methyl hydrogen polysiloxane-treated ZnO, fumed $SiO_2$ and various Mn sources. The crystallization and photoluminescent properties of the phosphor particles were investigated by X-ray diffraction(XRD), scanning electron microscope(SEM), and by their photoluminescence(PL) spectra. Due to the effect of the dispersion and coherence of the methyl hydrogen polysiloxane-treated ZnO, the Mn-doped $Zn_2SiO_4$ particles were successfully obtained by a solid state method at $1000^{\circ}C$, and the maximum PL intensity of the prepared particles under vacuum ultra violet(VUV) excitation occurred at a Mn concentration of 0.02mol and a sintering temperature of $1000^{\circ}C$.
Keywords
Solid-State Reaction; Phosphor; Photoluminescence; $Zn_2SiO_4$;
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