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

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

doi:10.1007/s12274-016-1298-0

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

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

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

34 Scopus citations

Abstract

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. [Figure not available: see fulltext.]

Original language	English
Pages (from-to)	381-396
Number of pages	16
Journal	Nano Research
Volume	10
Issue number	2
DOIs	https://doi.org/10.1007/s12274-016-1298-0
State	Published - 1 Feb 2017
Externally published	Yes

Keywords

Rochow reaction
heterostructure
hollow sphere
rambutan
supercapacitors

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10.1007/s12274-016-1298-0

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title = "Rambutan-like hierarchically heterostructured CeO2-CuO hollow microspheres: Facile hydrothermal synthesis and applications",

abstract = "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. [Figure not available: see fulltext.]",

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AU - Ji, Yongjun

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AU - Li, Jing

AU - Zhang, Yu

AU - Liu, Hezhi

AU - Shi, Laishun

AU - Zhong, Ziyi

AU - Su, Fabing

PY - 2017/2/1

Y1 - 2017/2/1

N2 - 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. [Figure not available: see fulltext.]

AB - 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. [Figure not available: see fulltext.]

KW - Rochow reaction

KW - heterostructure

KW - hollow sphere

KW - rambutan

KW - supercapacitors

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

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Keywords

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