In-situ fabrication and characterisation of nanostructured Mn3O4 powders for electronic and electrochemical applications

被引：9
|
作者：
Konstantinov, K. [1 ]
Tournayre, Y. [1 ]
Liu, H. K. [1 ]
机构：
[1] Univ Wollongong, Inst Superconducting & Elect Mat, Wollongong, NSW 2522, Australia
来源：
MATERIALS LETTERS | 2007年 / 61卷 / 14-15期
基金：
澳大利亚研究理事会;
关键词：
Mn3O4; spray pyrolysis; in-situ process; nanomaterials; porosity;
D O I：
10.1016/j.matlet.2006.11.020
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
A spray pyrolysis approach has been used to obtain in-situ single-phase nanocrystalline Mn3O4 powders with spherically shaped particles. Ethanol or water-based solutions were sprayed at temperatures in the range of 450-750 degrees C. Ethanol-based solutions led to carbon-contaminated powders at low temperatures and to particles with low porosity. Water-based solutions, however, are suitable for obtaining single-phase nanomaterials with a high specific surface area, up to 45 m(2)/g. The crystal size is less than 10 nm for spraying temperatures below 550 degrees C. (c) 2006 Elsevier B.V. All rights reserved.
引用
收藏
页码：3189 / 3192
页数：4
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