Synthesis of single-crystal tetragonal α-MnO2 nanotubes

被引：251

作者：

Luo, J. ^{[1
]}

Zhu, H. T. ^{[1
,2
]}

Fan, H. M. ^{[3
]}

Liang, J. K. ^{[1
,4
]}

Shi, H. L. ^{[1
]}

Rao, G. H. ^{[1
]}

Li, J. B. ^{[1
]}

Du, Z. M. ^{[2
]}

Shen, Z. X. ^{[5
]}

机构：

[1] Chinese Acad Sci, Inst Phys, Beijing Natl Lab Condensed Matter Phys, Beijing 100080, Peoples R China

[2] Beijing Univ Sci & Technol, Dept Mat Sci & Engn, Beijing 100083, Peoples R China

[3] Natl Univ Singapore, Dept Phys, Singapore 117548, Singapore

[4] Chinese Acad Sci, Int Ctr Mat Phys, Shenyang 110016, Peoples R China

[5] Nanyang Technol Univ, Sch Phys & Math Sci, Div Phys & Appl Phys, Singapore 637371, Singapore

来源：

JOURNAL OF PHYSICAL CHEMISTRY C | 2008年 / 112卷 / 33期

关键词：

D O I：

10.1021/jp8052967

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：

Single-crystal tetragonal alpha-MnO2 nanotubes have been successfully synthesized by a facile hydrothermal treatment of KMnO4 in the hydrochloric acid solution. The sample has been characterized by X-ray powder diffraction, field emission scanning electron microscopy, transmission electron microscopy, and orientation dependent Raman spectroscopy, which indicates the nanotubes have high-quality crystalline and shape-dependent optical properties. The morphology evolution of the sample reveals that the nanotubes are formed via the solid nanorod by a chemical etching process.

引用

页码：12594 / 12598

页数：5

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