Synthesis, characterization, electrical and catalytic properties of CuO nanowires

被引：12

作者：

Yan, Hui ^{[1
]}

Liu, Xiangwen ^{[2
]}

Xu, Rui ^{[1
]}

Lv, Ping ^{[1
]}

Zhao, Peihe ^{[1
]}

机构：

[1] Beijing Normal Univ, Dept Phys, Beijing 100875, Peoples R China

[2] Tsinghua Univ, Dept Chem, Beijing 100084, Peoples R China

来源：

MATERIALS RESEARCH BULLETIN | 2013年 / 48卷 / 06期

基金：

中国国家自然科学基金;

关键词：

Nanostructures; Crystal growth; Catalytic properties; CARBON NANOTUBES; COPPER; OXIDATION; GROWTH; SUPERCONDUCTIVITY; NANOSTRUCTURES; MONOXIDE; SENSORS; SURFACE; ARRAYS;

D O I：

10.1016/j.materresbull.2013.02.021

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Oriented CuO nanowires of 15-20 mu m in length were synthesized by heating copper grids under atmospheric conditions. The morphology, possible growth mechanism, electrical and catalytic properties of the nanowires were studied. The aspect ratio of the profile of the nanowires ranges from 1.3 to 2.2 indicating that the CuO nanowires are not columniform. The impurities in the copper grids play an important role in the growth of the nanowires. The transport measurement of a single CuO nanowire demonstrated that the nanowire exhibits a typical semiconductor behavior. The observed high catalytic oxidation of CO was attributed to the selectively exposed (-111) planes with more surface lattice oxygen of the nanowires. (C) 2013 Elsevier Ltd. All rights reserved.

引用

页码：2102 / 2105

页数：4

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