Synthesis of CaTiO_3:Pr persistent phosphors by a modified solid-state reaction

Shengyu Yin; Donghua Chen; Wanjun Tang; Yuhua Peng

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Synthesis of CaTiO_3:Pr persistent phosphors by a modified solid-state reaction

机译：改性固相反应合成CaTiO_3：Pr持久性磷光体

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摘要

Using tetra-n-butyl titanate and calcium nitrate as raw materials, the praseodymium-doped calcium titanates have been synthesized via a modified solid-state reaction. The decomposition process of the precursor, crystallization, and particle sizes of CaTiO_3:Pr have been investigated by using thermal analysis, powder X-ray diffraction and transmission electron microscopy (TEM). TG-DTG curves and X-ray diffraction analysis indicate that crystalline calcium titanate has been synthesized at calcining temperature of 600℃ for 2h. Photoluminescence and decay curves show that the sample obtained at the sintering temperature of 900℃ exhibited the optimal luminous property.

机译：以钛酸四正丁酯和硝酸钙为原料，通过修饰的固相反应合成了掺ody钛酸钙。通过热分析，粉末X射线衍射和透射电子显微镜（TEM）研究了CaTiO_3：Pr的前驱体的分解过程，结晶和粒径。 TG-DTG曲线和X射线衍射分析表明，在600℃的煅烧温度下2h合成了钛酸钙晶体。光致发光和衰减曲线表明，在900℃的烧结温度下获得的样品具有最佳的发光性能。

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《Materials Science and Engineering. B, Solid-State Materials for Advanced Technology》 |2007年第3期|p.193-196|共4页
作者
Shengyu Yin; Donghua Chen; Wanjun Tang; Yuhua Peng;
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作者单位

Hubei Key Laboratory for Catalysis and Material Science, College of Chemistry and Material science, South Central University for Nationalities, Wuhan 430074, Hubei, China;

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正文语种 eng
中图分类工程材料学;
关键词
solid-state reaction; CaTiO_3 :Pr; persistent phosphor; luminescence;

机译：固相反应;CaTiO_3：Pr;持久性磷;发光;

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1. Enhanced luminescence properties of CaTiO_3:Pr~(3+) phosphor with addition of SiO_2 by solid-state reaction [J] . Rui Chen, Donghua Chen Spectrochimica acta, Part A. Molecular and biomolecular spectroscopy . 2014,第Null期

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2. Combustion synthesis and luminescent properties of CaTiO_3:Pr, Al persistent phosphors [J] . Shengyu Yin, Donghua Chen, Wanjun Tang Journal of Alloys and Compounds: An Interdisciplinary Journal of Materials Science and Solid-state Chemistry and Physics . 2007,第1a2期

机译：CaTiO_3：Pr，Al持久性磷光体的燃烧合成及发光性能
3. Preparation and luminescent properties of CaTiO_3: Pr~(3+), Al~(3+) persistent phosphors by nitrate-citric acid combustion method [J] . Shun Li, Xixi Liang Journal of materials science . 2008,第12期

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Synthesis of CaTiO_3:Pr persistent phosphors by a modified solid-state reaction

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