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Gas sensing property of novel flower-like nanostructure CuO

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Abstract

Here we report a simple hydrothermal route for the preparation of CuO nano-flower which has been proved to exhibit good performances in gas-sensing. We concentrate on the microstructure and morphology of CuO by adjusting the reaction time length. Four different morphologies that formed a flower-like shape with a diameter of 1–3 µm were obtained. The CuO nanostructures were characterized in detail by means of X-ray diffraction and scanning electron microscopy and were apparently seen that they were composed of abundant aggregative nanobelts. The prepared CuO properties in gas-sensing were also measured in our experiments. In addition, a proper growth mechanism was proposed based on the results. Moreover, the CuO nano-flowers may resolve the difficulties in low-dimensional gas-sensing applications after more research having been conducted.

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Acknowledgments

This work was supported in part by National Natural Science of China (No. 51202302), Fundamental Research Funds for the Central Universities (No. 106112015CDJXY130013), Postdoctoral Science Funded Project of Chongqing (No. Xm201301) and 6th Student Research Training Program of Chongqing University (CQU-SRTP-2014155).

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Authors and Affiliations

  1. College of Materials Science and Engineering, Chongqing University, Chongqing, 400030, China

    Zhenjie Zhu, Wen Zeng, Shengkai Cao & Lin Chen

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  1. Zhenjie Zhu
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  2. Wen Zeng
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  3. Shengkai Cao
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  4. Lin Chen
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Correspondence to Wen Zeng.

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Zhu, Z., Zeng, W., Cao, S. et al. Gas sensing property of novel flower-like nanostructure CuO. J Mater Sci: Mater Electron 26, 9037–9043 (2015). https://doi.org/10.1007/s10854-015-3588-9

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  • DOI: https://doi.org/10.1007/s10854-015-3588-9

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