Synthesis and luminescence properties of CaTiO3:Pr3+ phosphor from oxalate precursor

被引：7

作者：

Chen, Rui ^{[1
]}

Chen, Donghua ^{[2
]}

机构：

[1] Yunnan Normal Univ, Coll Chem & Chem Engn, Kunming 650500, Peoples R China

[2] South Cent Univ Nationalities, Coll Chem & Mat Sci, Hubei Key Lab Catalysis & Mat Sci, Wuhan 430074, Peoples R China

来源：

MATERIALS LETTERS | 2013年 / 105卷

关键词：

Ceramics; Perovskites; Luminescence; Thermal analysis; X-ray diffraction; RED LUMINESCENCE; HEAT-CAPACITY; CATIO3-PR3+; TEMPERATURE; IMPROVEMENT; PR3+;

D O I：

10.1016/j.matlet.2013.03.139

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

CaTiO3:Pr3+ was synthesized from oxalate precursor [CaTiO(C2O4)(2)center dot 4H(2)O] (CTO) at 900 degrees C, in which Pr3+ ions were dispersed by room temperature grinding. The decomposition process of the oxalate precursor was analyzed by the thermogravimetry and differential thermogravimetry curve (TG-DTG). The crystallization and luminescence properties of CaTiO3:Pr3+ were tested by means of X-ray diffraction (XRD), luminescence spectrometer and brightness meter. The oxalate precursor has a characteristic of weak red afterglow after being excited by ultraviolet (UV) light at room temperature for 15 min. The result suggested that phosphor is typically synthesized for a doping level of 0.1 wt% at 900 degrees C for 6 h, which were regarded as the optimal synthesis conditions. (C) 2013 Elsevier B.V. All rights reserved.

引用

页码：1 / 3

页数：3

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