Concentration and annealing effect on PL properties of sol-gel derived SiO_2-Y_2O_3:Eu^(3+) nanocomposites

Concentration and annealing effect on PL properties of sol-gel derived SiO_2-Y_2O_3:Eu^(3+) nanocomposites

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摘要 An improved sol-gel method was employed to prepare Eu3+ ions doped SiO2-Y2O3 nanocomposites.Systematic study was carried out on the effect of post-annealing treatment on photoluminescence(PL) properties of the samples under various europium ions doping concentrations.X-ray diffraction(XRD) patterns indicated that the samples showed an amorphous matrix structure,and the scanning electron microscopy(SEM) pictures showed that the samples presented a nano size(from 21 to 42 nm) granular-stack structure after hi... An improved sol-gel method was employed to prepare Eu3+ ions doped SiO2-Y2O3 nanocomposites.Systematic study was carried out on the effect of post-annealing treatment on photoluminescence(PL) properties of the samples under various europium ions doping concentrations.X-ray diffraction(XRD) patterns indicated that the samples showed an amorphous matrix structure,and the scanning electron microscopy(SEM) pictures showed that the samples presented a nano size(from 21 to 42 nm) granular-stack structure after hi...

作者王忆曾庆光胡社军吴坤彬蒋俊宏陈根廷

机构地区 Institute of Thin Film and Nano Materials Department of Chemical and Enviromental Engineering

出处《Journal of Rare Earths》 SCIE EI CAS CSCD 2010年第2期176-180,共5页 稀土学报（英文版）

基金 supported by the Guangdong Province (2007-173) Jiangmen City (2009-217)

关键词 Eu3+doped SiO2-Y2O3 glass photoluminescence（PL） NANOCOMPOSITES rare earths Eu3+doped SiO2-Y2O3 glass photoluminescence（PL） nanocomposites rare earths

分类号 O614.3 [理学—无机化学]

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二级参考文献18

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Concentration and annealing effect on PL properties of sol-gel derived SiO_2-Y_2O_3:Eu^(3+) nanocomposites

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