Synthesis of hierarchical CoFe2O4 nanorod-assembled superstructures and its catalytic application

被引：20
作者：
Jia, Zhigang [1 ]
Yang, Lulu [1 ]
Wang, Qiuze [1 ]
Liu, Jianhong [1 ]
Ye, Mingfu [1 ]
Zhu, Rongsun [1 ]
机构：
[1] Anhui Univ Technol, Sch Chem & Chem Engn, Maanshan 243002, Anhui, Peoples R China
来源：
MATERIALS CHEMISTRY AND PHYSICS | 2014年 / 145卷 / 1-2期
基金：
中国国家自然科学基金;
关键词：
Nanostructures; Chemical synthesis; Crystal growth; Differential scanning calorimetry; MAGNETIC-PROPERTIES; NANOWIRE; NANOPARTICLES; GROWTH; NANOSTRUCTURES; ARCHITECTURES; FABRICATION;
D O I：
10.1016/j.matchemphys.2014.01.048
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Three-dimensional CoFe2O4 superstructures are prepared by the controlled thermal decomposition of the complex oxalate with various hierarchical nanostructures, which are obtained via poval (PVA) mediated precipitation reaction. The influence of experimental parameters including the concentration of PVA, reaction temperature, and reaction time was systematically investigated to study the possible formation mechanism of the superstructure. The as-prepared samples are characterized by X-ray powder diffraction, scanning electron microscopy, Fourier transform infrared spectroscopy, transmission electron microscopy, and high-resolution transmission electron microscopy. The catalytic property of the as-prepared superstructure is also carried out. The results show that the hierarchical structure presents superior catalytic activity for ammonium perchlorate by decreasing its decomposition temperature to as low as 290 degrees C and more decomposition occurs at the low temperature phase (LTD) stage. (C) 2014 Elsevier B.V. All rights reserved.
引用
收藏
页码：116 / 124
页数：9
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