Synthesis and growth mechanism of CuO nanostructures and their gas sensing properties

被引：14

作者：

Wang, Chenxi ^{[1
]}

Zeng, Wen ^{[1
,2
]}

Zhang, He ^{[1
]}

Li, Yanqiong ^{[1
]}

Chen, Weigen ^{[2
]}

Wang, Zhongchang ^{[3
]}

机构：

[1] Chongqing Univ, Coll Mat Sci & Engn, Chongqing 400030, Peoples R China

[2] Chongqing Univ, State Key Lab Power Transmiss Equipment & Syst Se, Chongqing 400030, Peoples R China

[3] Tohoku Univ, World Premier Int Res Ctr, Adv Inst Mat Res, Aoba Ku, Sendai, Miyagi 9808577, Japan

来源：

JOURNAL OF MATERIALS SCIENCE-MATERIALS IN ELECTRONICS | 2014年 / 25卷 / 05期

关键词：

ASSISTED HYDROTHERMAL SYNTHESIS; LOW-TEMPERATURE SYNTHESIS; PHOTOCATALYTIC PROPERTY; OXIDATIVE-DEGRADATION; HOLLOW MICROSPHERES; METHYLENE-BLUE; NANOPARTICLES; NANOCRYSTALS; ROUTE;

D O I：

10.1007/s10854-014-1837-y

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

CuO nano-particles, nano-rods, nano-sheets and nano-flowers were synthesized by the hydrothermal routes with copper salts under different additions. The obtained samples were characterized by X-ray diffraction and scanning electron microscopy. We investigated the effects of precursors on the formation of CuO with different morphologies and proposed their possible formation mechanisms. In addition, the obtained CuO nano-flowers are found to show better sensing performances than the other three low-dimensional CuO nanostructures. Our results also demonstrate that gas sensing properties of nanocrystals can be significantly improved by tailoring shape and morphology of the nanocrystals. The CuO nano-flowers may hold substantial promise in low-dimensional gas-sensing applications.

引用

页码：2041 / 2046

页数：6

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