Synthesis of cobalt hollow spherical nanostructures using aluminum powders as reductants and templates

被引：7
|
作者：
Cheng, Zhipeng [1 ]
Xu, Jiming [1 ]
Zhu, Yulan [1 ]
Yang, Yi [2 ]
Li, Fengsheng [2 ]
Chen, Weifan [3 ]
机构：
[1] Huaiyin Teachers Coll, Jiangsu Key Lab Chem Low Dimens Mat, Huaian 223300, Peoples R China
[2] Nanjing Univ Sci & Technol, Natl Special Superfine Powder Engn Res Ctr, Nanjing 210094, Peoples R China
[3] Nanchang Univ, Sch Mat Sci & Engn, Nanchang 330031, Peoples R China
来源：
JOURNAL OF ALLOYS AND COMPOUNDS | 2009年 / 482卷 / 1-2期
基金：
中国国家自然科学基金;
关键词：
Metals and alloys; Chemical synthesis; Corrosion; Cobalt nanostructures; URCHIN-LIKE; SHAPE; SIZE;
D O I：
10.1016/j.jallcom.2009.03.182
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
The core-shell Al/Co nanocomposites with sheet-like and spherical Co nanocrystals as shells were fabricated via a displacement reaction between At and CoCl2 center dot 6H(2)O in a glycol solution by the controlling feeding rate of NH4F glycol solution. By eroding the At core in HCl aquatic solution, hollow spherical nanostructures assembled by sheet-like and spherical Co nanocrystals were obtained. The possible mechanism for the formation of Co hollow nanostructures composed of different shaped nanocrystals has been discussed. (C) 2009 Elsevier B.V. All rights reserved.
引用
收藏
页码：L9 / L13
页数：5
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