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Rambutan-like hierarchically heterostructured CeO2-CuO hollow microspheres： Facile hydrothermal synthesis and applications

Ji, Yongjun ; Jin, Zheying ; Li, Jing ; Zhang, Yu ; Liu, Hezhi ; Shi, Laishun ; Zhong, Ziyi ; Su, Fabing

Nano research, 2017-02, Vol.10 (2), p.381-396 [Periódico revisado por pares]

Beijing: Tsinghua University Press

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  • Título:
    Rambutan-like hierarchically heterostructured CeO2-CuO hollow microspheres： Facile hydrothermal synthesis and applications
  • Autor: Ji, Yongjun ; Jin, Zheying ; Li, Jing ; Zhang, Yu ; Liu, Hezhi ; Shi, Laishun ; Zhong, Ziyi ; Su, Fabing
  • Assuntos: Atomic/Molecular Structure and Spectra ; Biomedicine ; Biotechnology ; Catalysis ; Catalysts ; Cerium oxides ; Chemical engineering ; Chemistry and Materials Science ; Condensed Matter Physics ; Coordination compounds ; Copper ; Copper oxides ; Electrode materials ; Electrodes ; Electrolytes ; Fabrication ; Heterostructures ; Materials Science ; Metal oxides ; Metals ; Microscopy ; Microspheres ; Morphology ; Nanoparticles ; Nanorods ; Nanotechnology ; Oxides ; Research Article ; Spheres ; Synthesis ; Transition metal oxides
  • É parte de: Nano research, 2017-02, Vol.10 (2), p.381-396
  • Notas: 11-5974/O4
    Hierarchically heterostructured hollow spheres are of great interest for a wide range of applications owing to their unique structural features and properties. However, the fabrication of well-defined hollow spheres with highly specific morphology for mixed transition metal oxides on a large scale remains challenging. In this work, uniform rambutan-like heterostructured CeO2~CuO hollow microspheres with numerous copper-ceria interfacial sites and nanorods and nanoparticles as building blocks are prepared via a facile hydrothermal method followed by calcination. Importantly, this approach can be readily scaled up and is applicable to the synthesis of various CuO-based mixed metal oxide complex hollow spheres. The as-prepared CeO2-CuO hollow rambutans exhibit superior performance both as electrode materials for supercapacitors and as Cu-based catalysts for the Rochow reaction, mainly due to the small primary nanoparticle constituents, high surface area, and formation of numerous interior heterostructures.
    heterostructure,hollow sphere,rambutan,supercapacitors,Rochow reaction
  • Descrição: Hierarchically heterostructured hollow spheres are of great interest for a wide range of applications owing to their unique structural features and properties. However, the fabrication of well-defined hollow spheres with highly specific morphology for mixed transition metal oxides on a large scale remains challenging. In this work, uniform rambutan-like heterostructured CeO2~CuO hollow microspheres with numerous copper-ceria interfacial sites and nanorods and nanoparticles as building blocks are prepared via a facile hydrothermal method followed by calcination. Importantly, this approach can be readily scaled up and is applicable to the synthesis of various CuO-based mixed metal oxide complex hollow spheres. The as-prepared CeO2-CuO hollow rambutans exhibit superior performance both as electrode materials for supercapacitors and as Cu-based catalysts for the Rochow reaction, mainly due to the small primary nanoparticle constituents, high surface area, and formation of numerous interior heterostructures.
  • Editor: Beijing: Tsinghua University Press
  • Idioma: Inglês
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  • Realização: ABCD-USP USP   Logos de Redes Sociais: Freepik

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