Hydrothermal synthesis and characterization of uniform α-FeOOH nanowires in high yield

被引：50
|
作者：
Ou, Ping [1 ]
Xu, Gang [1 ]
Ren, Zhaohui [1 ]
Hou, Xiaohong [1 ]
Han, Gaorong [1 ]
机构：
[1] Zhejiang Univ, Dept Mat Sci & Engn, State Key Lab Silicon Mat, Hangzhou 310027, Peoples R China
来源：
MATERIALS LETTERS | 2008年 / 62卷 / 6-7期
关键词：
hydrothermal; alpha-FeOOH nanowires; crystal structure; characterization methods;
D O I：
10.1016/j.matlet.2007.07.010
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Large-scale alpha-FeOOH nanowires with uniform diameter and high aspect ratios were synthesized via hydrothermal reaction at 100 degrees C. The obtained alpha-FeOOH nanowire was of diameter of 80 nm and length up to 1.2 mu m. X-ray diffraction (XRD) results show that the nanowires are of orthorhombic structure, and Fourier transform infrared (FT-IR) analysis further confirms the formation of orthorhombic phase alpha-FeOOH. High-resolution TEM (HRTEM) studies indicate the single-crystalline nature of alpha-FeOOH nanowires with an oriented growth along the [001] axis direction. Based on the results of contrastive experiments, the possible mechanism for hydrothermal synthesis of a-FeOOH nanowires was also discussed. (C) 2007 Elsevier B.V. All rights reserved.
引用
收藏
页码：914 / 917
页数：4
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