Synthesis and spectral characterization of CoxMg1-xAl2O4 as new nano-coloring agent of ceramic pigment

被引：33
作者：
Ahmed, I. S. [1 ]
Shama, S. A. [1 ]
Moustafa, M. M. [1 ]
Dessouki, H. A. [1 ]
Ali, A. A. [1 ]
机构：
[1] Benha Univ, Fac Sci, Dept Chem, Banha, Egypt
来源：
SPECTROCHIMICA ACTA PART A-MOLECULAR AND BIOMOLECULAR SPECTROSCOPY | 2009年 / 74卷 / 03期
关键词：
Ceramic pigments; Diffuse reflectance spectroscopy (DRS); Thermogravimetric analysis (TGA); X-ray diffraction (XRD); Particle size; Transmission electron microscopy (TEM); COMBUSTION SYNTHESIS; SOL-GEL; POWDERS; BLUE; TEMPERATURE; SALTS;
D O I：
10.1016/j.saa.2009.07.024
中图分类号：
O433 [光谱学];
学科分类号：
0703 ; 070302 ;
摘要：
New nano-blue ceramic pigments of CoxMg1-xAl2O4 (0 <= x <= 0.1) have been prepared by co-precipitate-combustion as a hybrid method using urea as a fuel at 500 degrees C in open furnace in air atmosphere. The Structure of pigment is assigned based on TGA/DTA/DrTGA analyses, X-ray diffraction (XRD) and transmission electron microscopy (TEM). Also, electronic spectra, infrared (IR) and diffuse reflectance spectroscopy (DRS) using CIE L*a*b* parameter measurement techniques were used. The results revealed that the nano-particle size of pigments were obtained in the range 30-38 run as well as the varying colors and particle size as a result of different calcinations temperatures within the range of 500-1200 degrees C for 2 h. (C) 2009 Elsevier B.V. All rights reserved.
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收藏
页码：665 / 672
页数：8
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