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Polyol synthesis and chemical conversion of Cu2O nanospheres

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Abstract

Polyol synthesis route, which is a popular and effective way of synthesizing noble metal nanocrystals, has been employed for the fabrication of Cu2O nanospheres. With this method, the particle size of the product can be readily tailored by tuning the concentration of Cu(NO3)2 and/or poly(vinyl pyrrolidone). It has been demonstrated that the main driving force of this reaction is the difference in redox potentials between ethylene glycol (EG) and NO −3 , and not that between those of EG and Cu2+. The resulting Cu2O nanospheres were used as a solid precursor for generating hollow nanospheres of copper sulfide with different sulfiding degrees, as well as CuO, via suitable chemical conversions. The Kirkendall effect determined the final hollow structure. The results in this paper provide a good example of the broadening of the scope of application of polyol synthesis route and may supply a thinking clue for the synthesis of other oxide materials.

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Authors and Affiliations

  1. Nanomaterials and Chemistry Key Laboratory, Wenzhou University, Wenzhou, 325027, China

    Wei Chen

  2. Department of Chemistry, Tsinghua University, Beijing, 100084, China

    Lingling Li, Qing Peng & Yadong Li

Authors
  1. Wei Chen
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  2. Lingling Li
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  3. Qing Peng
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  4. Yadong Li
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Correspondence to Yadong Li.

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Chen, W., Li, L., Peng, Q. et al. Polyol synthesis and chemical conversion of Cu2O nanospheres. Nano Res. 5, 320–326 (2012). https://doi.org/10.1007/s12274-012-0212-7

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  • DOI: https://doi.org/10.1007/s12274-012-0212-7

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