Preparation of SiO2 coated Ce2S3 red pigment with improved thermal stability

被引：34

作者：

Chen Guanhong ^{[1
]}

Zhu Zhenfeng ^{[1
]}

Liu Hui ^{[1
]}

Wu Yingfeng ^{[1
]}

Zhu Chunkui ^{[1
]}

机构：

[1] Shaanxi Univ Sci & Technol, Sch Mat Sci & Engn, Xian 710021, Peoples R China

来源：

JOURNAL OF RARE EARTHS | 2013年 / 31卷 / 09期

关键词：

Ce2S3; red pigment; SiO2; coating; cerium silicon molar ratio; thermal stability; rare earths; RARE-EARTH SULFIDES; STABILIZATION; GAMMA-CE2S3; GROWTH; CE; ND;

D O I：

10.1016/S1002-0721(12)60375-5

中图分类号：

O69 [应用化学];

学科分类号：

081704 ;

摘要：

SiO2 coated Ce2S3 red pigment was prepared in ethanol/H2O system via sol-gel method and TEOS were used as silica sources. X-ray diffraction (XRD), scanning electron microscopy (SEM), energy dispersive spectroscopy (EDX), UV-visible spectrophotometer and automatic colorimeter were used to investigate the properties of the samples. The results showed that the compact SiO2 film formed on the surface of Ce2S3 pigment at a cerium silicon molar ratio of 2. The thermal stability temperature of Ce2S3 pigment was improved to 450 degrees C after SiO2 coating. In addition, the color of Ce2S3 pigment was not affected significantly through coating colorless and transparent SiO2 and it could be used as safe red pigment in higher temperature fields.

引用

页码：891 / 896

页数：6

共 20 条

[1] CHOPIN T, 1995, Patent No. 5401309
[2] INDUSTRIAL APPLICATIONS OF RARE-EARTHS - WHICH WAY FOR THE END OF THE CENTURY
MAESTRO, P
HUGUENIN, D
[J]. JOURNAL OF ALLOYS AND COMPOUNDS, 1995, 225 (1-2) : 520 - 528
[3] Maestro P., 1956, European Patent, Patent No. [EP 0203838(A2), 0203838]
[4] The stabilization of gamma-Ce2S3 at low temperature by heavy rare earths
Marrot, F
Mosset, A
Trombe, JC
Macaudiere, P
Maestro, P
[J]. JOURNAL OF ALLOYS AND COMPOUNDS, 1997, 259 (1-2) : 145 - 152
[5] COMPARATIVE-STUDY OF SOME RARE-EARTH SULFIDES - DOPED GAMMA-[A]M(2)S(3) (M=LA, CE AND ND, A=NA, K AND CA) AND UNDOPED GAMMA-M(2)S(3) (M=LA, CE AND ND)
MAURICOT, R
GRESSIER, P
EVAIN, M
BREC, R
[J]. JOURNAL OF ALLOYS AND COMPOUNDS, 1995, 223 (01) : 130 - 138
[6] Nonlinear behavior of Tb4O7-modified ZnO-Pr6O11-based ceramics with high breakdown field
Nahm, Choon-Woo
[J]. JOURNAL OF RARE EARTHS, 2013, 31 (03) : 276 - 280
[7] Color of pure and alkali-doped cerium sulfide: A local-density-functional study
Perrin, MA
Wimmer, E
[J]. PHYSICAL REVIEW B, 1996, 54 (04): : 2428 - 2435
[8] CRYSTAL-GROWTH AND OPTICAL-PROPERTIES OF RARE-EARTH SESQUISELENIDES AND SESQUISULFIDES - NEW MAGNETOOPTIC MATERIALS
PROKOFIEV, AV
SHELYKH, AI
GOLUBKOV, AV
SMIRNOV, IA
[J]. JOURNAL OF ALLOYS AND COMPOUNDS, 1995, 219 (1-2) : 172 - 175
[9] Study of some ternary and quaternary systems based on γ-Ce2S3 using oxalate complexes:: stabilization and coloration
Romero, S
Mosset, A
Trombe, JC
[J]. JOURNAL OF ALLOYS AND COMPOUNDS, 1998, 269 (1-2) : 98 - 106
[10] REVISED EFFECTIVE IONIC-RADII AND SYSTEMATIC STUDIES OF INTERATOMIC DISTANCES IN HALIDES AND CHALCOGENIDES
SHANNON, RD
[J]. ACTA CRYSTALLOGRAPHICA SECTION A, 1976, 32 (SEP1): : 751 - 767

← 1 2 →