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Sol-gel synthesis and photoluminescence characterization of La_2Ti_2O_7:Eu^(3+) nanocrystals 被引量：1

Sol-gel synthesis and photoluminescence characterization of La_2Ti_2O_7:Eu^(3+) nanocrystals
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摘要 Eu3＋ doped La2Ti2O7 nanocrystals with pure monoclinic phase and size of about 100 nm were prepared by a citric acid （CA） assisted sol-gel method. Techniques of thermo-gravimetric （TG） and differential scanning calorimetry （DSC）, X-ray diffraction （XRD）, as well as transmission electron microscopy （TEM） were employed to characterize the as-synthesized nanoparticles. Furthermore, photoluminescence （PL） performances of the Eu3＋ doped La2Ti2O7 nanocrystals were evaluated with focus on the effects of calcination temperature and Eu3＋ doping concentration on the photoluminescence properties. Eu3＋ doped La2Ti2O7 nanocrystals with pure monoclinic phase and size of about 100 nm were prepared by a citric acid （CA） assisted sol-gel method. Techniques of thermo-gravimetric （TG） and differential scanning calorimetry （DSC）, X-ray diffraction （XRD）, as well as transmission electron microscopy （TEM） were employed to characterize the as-synthesized nanoparticles. Furthermore, photoluminescence （PL） performances of the Eu3＋ doped La2Ti2O7 nanocrystals were evaluated with focus on the effects of calcination temperature and Eu3＋ doping concentration on the photoluminescence properties.
作者 CHENG Hua LU Zhouguang LIU Ying YANG Haihua GU Yingying LI Wei TANG Yougen
机构地区 College of Chemistry ＆ Chemical Engineering
出处 《Rare Metals》 SCIE EI CAS CSCD 2011年第6期602-606,共5页 稀有金属（英文版）
基金 financially supported by the National Natural Science Foundation of China (No.50972166)
关键词 lanthanum titanate rare earth metals PHOTOLUMINESCENCE NANOPHOSPHORS pechini citric acid sol-gel lanthanum titanate rare earth metals photoluminescence nanophosphors pechini citric acid sol-gel
分类号 TQ426.81 [化学工程] O484.41 [理学—固体物理]
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Rare Metals
2011年 第6期

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