Preparations and characterizations of γ-Ce2S3 red pigments from Pr-doped CeO2 with improved thermal stabilities

被引：13
|
作者：
Gao, Y. Q. [1 ,2 ,3 ,4 ]
Li, Y. M. [1 ,2 ,3 ]
Wang, Z. M. [1 ,2 ,3 ]
Shen, Z. Y. [1 ,2 ,3 ]
Xie, Z. X. [1 ,2 ,3 ]
机构：
[1] Jingdezhen Ceram Inst, Sch Mat Sci & Engn, Jingdezhen 333403, Peoples R China
[2] China Natl Light Ind Key Lab Funct Ceram Mat, Jingdezhen 333403, Peoples R China
[3] Energy Storage & Convers Ceram Mat Engn Lab Jiang, Jingdezhen 333403, Peoples R China
[4] Guizhou Univ, Sch Chem & Chem Engn, Guiyang 550003, Guizhou, Peoples R China
来源：
APPLIED PHYSICS A-MATERIALS SCIENCE & PROCESSING | 2018年 / 124卷 / 02期
基金：
中国国家自然科学基金;
关键词：
LOW-TEMPERATURE; STABILIZATION; ABSORPTION; ELEMENTS; POWDERS;
D O I：
10.1007/s00339-018-1588-3
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The Pr-doped gamma-Ce2S3 red pigment was prepared by a hydrothermal combine sulfurize process. CeCl3 center dot 7H(2)O, Pr6O11, and CS2 were used as cerium source, dopant source, and sulfur source, respectively. Pr-doped CeO2 precursor was prepared at 180 degrees C with hydrothermal method, followed by sulfurize treatment 150 min at 900 degrees C. The effect of doped proportion, sulfurize condition to phase composition of red pigment was observed. Furthermore, the thermal stabilities and chromaticity of as-prepared pigment were investigated. Results of calcinations in the air and color measure indicated that Pr-doping enhances the resistant temperature for oxidization of pigment. A red color (L* = 25.58, a* = 29.47, b* = 17.27) was still remained after heated at 470 degrees C in the air.
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页数：7
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