Solvothermal route synthesis of single-crystalline α-MnO2 nanowires

被引：35
作者：
Yue, G. H.
Yan, P. X. [1 ]
Yan, D.
Qu, D. M.
Fan, X. Y.
Wang, M. X.
Shang, H. T.
机构：
[1] Lanzhou Univ, Sch Phys Sci & Technol, Lanzhou 730000, Peoples R China
[2] Chinese Acad Sci, Inst Chem & Phys, Key Lab Solid Lubricat, Lanzhou 730000, Peoples R China
来源：
JOURNAL OF CRYSTAL GROWTH | 2006年 / 294卷 / 02期
关键词：
alpha-MnO2; nanowires; cyclic voltammograms; ferromagnetic;
D O I：
10.1016/j.jcrysgro.2006.06.046
中图分类号：
O7 [晶体学];
学科分类号：
0702 ; 070205 ; 0703 ; 080501 ;
摘要：
Single-crystalline alpha-MnO2 nanowires with diameters of 10-30 nm and lengths to several micrometers have been successfully synthesized by hydrothermally treating a mixed solution of Mn2O3 and KOH at 180 degrees C for 24h. The morphology and the crystal structure of the final products were characterized. The cyclic voltammetry curve of the products indicated that the alpha-MnO2 nanowires are promising electrode material for applications in super capacitors. The specific capacity of the electrode deduced from the cyclic voltammograms curve is 185 F g(-1). The magnetic properties of the products have been evaluated using a vibrating magnetometer and results show that the alpha-MnO2 nanowires exhibit ferromagnetic characteristics at room temperature. (c) 2006 Elsevier B.V. All rights reserved.
引用
收藏
页码：385 / 388
页数：4
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