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

Chenxi Wang; Wen Zeng; He Zhang; Yanqiong Li; Weigen Chen; Zhongchang Wang

doi:10.1007/s10854-014-1837-y

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

Chenxi Wang, Wen Zeng, He Zhang, Yanqiong Li, Weigen Chen, Zhongchang Wang

Research output: Contribution to journal › Article

8 Citations (Scopus)

Abstract

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.

Original language	English
Pages (from-to)	2041-2046
Number of pages	6
Journal	Journal of Materials Science: Materials in Electronics
Volume	25
Issue number	5
DOIs	https://doi.org/10.1007/s10854-014-1837-y
Publication status	Published - 2014

ASJC Scopus subject areas

Condensed Matter Physics
Atomic and Molecular Physics, and Optics
Electronic, Optical and Magnetic Materials
Electrical and Electronic Engineering

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Wang, C., Zeng, W., Zhang, H., Li, Y., Chen, W., & Wang, Z. (2014). Synthesis and growth mechanism of CuO nanostructures and their gas sensing properties. Journal of Materials Science: Materials in Electronics, 25(5), 2041-2046. https://doi.org/10.1007/s10854-014-1837-y

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abstract = "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.",

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AU - Wang, Chenxi

AU - Zeng, Wen

AU - Zhang, He

AU - Li, Yanqiong

AU - Chen, Weigen

AU - Wang, Zhongchang

PY - 2014

Y1 - 2014

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