Controllable fabrication of δ-MnO2 microspheres and α-MnO2 nanorods

被引：2

作者：

Chen, Yong ^{[1
]}

Li, Ling ^{[1
]}

Xu, Hui ^{[1
]}

Hong, Yuzhen ^{[1
]}

Yang, Hao ^{[1
]}

Tu, Jinchun ^{[1
]}

Ma, Yanping ^{[1
]}

Li, Jianbao ^{[1
]}

机构：

[1] Hainan Univ, Hainan Prov Key Lab Res Utilizat Si Zr Ti Resourc, Minist Educ Key Lab Applicat Technol Hainan Super, Haikou 570228, Peoples R China

来源：

MATERIALS AND DESIGN, PTS 1-3 | 2011年 / 284-286卷

关键词：

Nanostructured materials; X-ray diffraction; MnO2; OCTAHEDRAL MOLECULAR-SIEVE; HYDROTHERMAL SYNTHESIS; NANOSTRUCTURES; NANOWIRES; ELECTRODE;

D O I：

10.4028/www.scientific.net/AMR.284-286.450

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

MnO2 nanostructure was synthesized via a redox reaction of potassium permanganate in hydrochloric acid solution below 100 degrees C at open environment. The effects of pH value in solution and reaction temperature on the crystal structure and morphology of MnO2 were investigated. It was revealed that layer folded delta-MnO2 microspheres were obtained at low reaction temperature and low HCl concentration, whereas alpha-MnO2 single-crystal nanorods were fabricated with increasing reaction temperature and HCl concentration. The possible formation mechanism of delta-MnO2 microspheres and alpha-MnO2 nanorods is suggested.

引用

页码：450 / +

页数：2

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