Formation and characterization of iron oxide nanoparticles loaded on self-organized TiO2 nanotubes

被引：27
|
作者：
Liang, Y. Q. [1 ]
Cui, Z. D. [1 ]
Zhu, S. L. [1 ,2 ]
Yang, X. J. [1 ,2 ]
机构：
[1] Tianjin Univ, Sch Mat Sci & Engn, Tianjin 300072, Peoples R China
[2] Tianjin Key Lab Composite & Funct Mat, Tianjin 300072, Peoples R China
来源：
ELECTROCHIMICA ACTA | 2010年 / 55卷 / 18期
基金：
中国国家自然科学基金;
关键词：
TiO2; nanotubes; Iron oxide; Electrodepositing; Magnetic; Growth mechanism; LARGE-SCALE SYNTHESIS; MAGNETIC-PROPERTIES; ALPHA-FE2O3; NANORODS; AQUEOUS-SOLUTIONS; LOW-TEMPERATURE; NANOWIRES; GROWTH; TITANIA; SURFACE; LAYERS;
D O I：
10.1016/j.electacta.2010.04.053
中图分类号：
O646 [电化学、电解、磁化学];
学科分类号：
081704 ;
摘要：
The iron oxide nanoparticles were loaded onto self-organized TiO2 nanotube layers grown by anodization of Ti in fluoride containing electrolytes. The nanoparticles were obtained by electrodepositing method in glycerol/water/FeCl3 center dot 6H(2)O electrolytes at room temperature. The X-ray diffraction (XRD), high-resolution transmission electron microscopy (HRTEM) and X-ray photoelectron spectroscopy (XPS) measurements showed that the nanoparticles consisted of iron nanocrystalline (Fe) and magnetite (Fe3O4). The hematite (alpha-Fe2O3) structure was obtained by annealing in air at 450 degrees C. The growth mechanism of the nanoparticles and their morphology were also described. Furthermore, the nanoparticles exhibited good ferromagnetic properties at room temperature. (C) 2010 Elsevier Ltd. All rights reserved.
引用
收藏
页码：5245 / 5252
页数：8
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