Controlled synthesis of highly ordered LaFeO3 nanowires using a citrate-based sol-gel route

被引：45
|
作者：
Yang, Z [1 ]
Huang, Y [1 ]
Dong, B [1 ]
Li, HL [1 ]
机构：
[1] Lanzhou Univ, Coll Chem & Chem Engn, Lanzhou 730000, Peoples R China
来源：
MATERIALS RESEARCH BULLETIN | 2006年 / 41卷 / 02期
基金：
中国国家自然科学基金;
关键词：
inorganic compounds; nanostructures; chemical synthesis; sol-gel chemistry;
D O I：
10.1016/j.materresbull.2005.08.022
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Highly ordered LaFeO3 nanowires of complex oxide were controlled synthesized with a porous anodic aluminum oxide (AAO) template by a citrate-based sol-gel route. The results of scanning electron microscopy (SEM) and transmission electron microscopy (TEM) revealed that the LaFeO3 nanowires formed a uniform length and diameter, which were determined by the thickness and the pore diameter of the AAO template, respectively. The results of X-ray diffraction (XRD) and the selected area electron diffraction (SAED) indicated that the LaFeO3 nanowires had a perovskite-type crystal structure. Furthermore, X-ray photoelectron spectroscopy (XPS) demonstrated that stoichiometric LaFeO3 was formed. (c) 2005 Elsevier Ltd. All rights reserved.
引用
收藏
页码：274 / 281
页数：8
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