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Citation: QI Xiao-Jiao, WANG Qian, GAO Hai-Yan, LI Guo-Dong. Hollow Spindle-Shaped CuO/Cu2(OH)2CO3 Nanocomposites: Synthesis and Gas Sensing Property[J]. Chinese Journal of Inorganic Chemistry, ;2015, (5): 1010-1018. doi: 10.11862/CJIC.2015.129 shu

Hollow Spindle-Shaped CuO/Cu2(OH)2CO3 Nanocomposites: Synthesis and Gas Sensing Property

  • 1.

    1 Tianjin Key Laboratory of Fiber Modification and Functional Fiber, School of Materials Science and Engineering, Tianjin Polytechnic University, Tianjin, 300387, China;

  • 2.

    2 State Key Laboratory of Inorganic Synthesis and Preparative Chemistry, College of Chemistry, Jilin University, Changchun 130012, China

  • Corresponding author: , 
  • Received Date: 26 November 2014
    Available Online: 10 February 2015

    Fund Project: 国家自然科学基金(No.21271138,21371070,21071060) (No.21271138,21371070,21071060)天津自然科学基金(No.14JCYBJC17500,14JCQNJC02500) (No.14JCYBJC17500,14JCQNJC02500)吉林大学无机合成与制备化学国家重点实验室开放课题(No.2015-02) (No.2015-02)国家大学生创新创业计划项目(201410058003)资助。 (201410058003)

  • Hollow spindle-shaped CuO/Cu2(OH)2CO3 composites were fabricated via a templateless hydrothermal route with Cu2(OH)3NO3 as the precursor. XRD measurements and TEM observations reveal that the as-prepared CuO/Cu2(OH)2CO3 is hollow spindle-shaped with size of 1~2 μm. HRTEM image indicates that the shell of each particle is highly dispersive mixtures of nanoscale CuO and Cu2(OH)2CO3. Time dependent experiments disclose that the formation of hollow spindle-shaped CuO/Cu2(OH)2CO3 composites particles is driven by self-transformation and Ostwald ripening. The gas sensing performances were investigated with ethanol and acetone as the target gases. The as-prepared hollow CuO/Cu2(OH)2CO3 composites exhibit improved gas sensing properties in comparison with the commercial CuO powders, which can be ascribed to the decreased grain-to-grain contacts of the highly dispersive mixtures.
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