Synthesis of nanocrystalline ZnO-NiO mixed metal oxide powder by homogeneous precipitation method

被引：54
作者：
Sharma, Ravi Kant [1 ]
Kumar, Deepak [2 ]
Ghose, Ranjana [1 ]
机构：
[1] Indian Inst Technol BHU, Dept Chem, Varanasi 221005, Uttar Pradesh, India
[2] Indian Inst Technol BHU, Dept Elect Engn, Varanasi 221005, Uttar Pradesh, India
来源：
CERAMICS INTERNATIONAL | 2016年 / 42卷 / 03期
关键词：
X-ray methods; Magnetic properties; Nanocrystalline mixed metal oxide; Homogeneous precipitation method; Catalytic reduction; SOL-GEL SYNTHESIS; MAGNETIC-PROPERTIES; P-AMINOPHENOL; OPTICAL-PROPERTIES; SURFACE-AREA; NANOPARTICLES; NANO; NANOSTRUCTURES; REDUCTION; SIZE;
D O I：
10.1016/j.ceramint.2015.11.081
中图分类号：
TQ174 [陶瓷工业]; TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
Nanocrystalline ZnO-NiO mixed metal oxide powder has been successfully prepared via a simple homogeneous precipitation method in short time. The nanocrystalline sample was obtained at low calcination temperature (350 degrees C). Specific surface area, crystallite size and optical band gap of the samples depend on calcination temperature. The synthesized samples were characterized by means of powder X-ray diffraction, thermal gravimetric analysis, Fourier transform infrared spectroscopy, diffuse reflectance spectroscopy, surface area measurements, scanning electron microscopy coupled with energy dispersive X-ray analysis, transmission electron microscopy and magnetic measurements. The synthesized powder samples have been tested for their catalytic reduction of 4-nitrophenol to 4-aminophenol in the presence of sodium borohydride. (C) 2015 Elsevier Ltd and Techna Group S.r.l. All rights reserved.
引用
收藏
页码：4090 / 4098
页数：9
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