Synthesis, Characterisation, Optical and Luminescence Properties of CoAl2O4

被引：9
作者：
Agilandeswari, K. [1 ]
Kumar, A. Ruban [1 ]
机构：
[1] VIT Univ, Sch Adv Sci, Vellore 632014, Tamil Nadu, India
来源：
PROCEEDINGS OF THE 59TH DAE SOLID STATE PHYSICS SYMPOSIUM 2014 (SOLID STATE PHYSICS) | 2015年 / 1665卷
关键词：
Oxides; Semiconductors; Optical property; blue pigment;
D O I：
10.1063/1.4918129
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
Solid state method has been used as an efficient method to synthesize blue pigment CoAl2O4 at a temperature of 800 degrees C. The products were characterized by powder X-ray diffraction (XRD), Fourier transformer infrared spectroscopy (FTIR), UV-Visible diffuse reflectance spectroscopy (DRS) and luminescent spectroscopy. X-ray diffraction pattern confirmed the formation of single phase CoAl2O4. Optical properties of CoAl2O4 ceramic shows an energy band gap in the range of 3.10eV. The emission spectra of spinel CoAl2O4 in the visible region confirmed the presence of tetrahedral coordinated Co2+ ions.
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页数：3
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