Research Article

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2021, 14(9): 3260–3266

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https://doi.org/10.1007/s12274-021-3403-2

A versatile ligand-assisted cooperative template method to synthesize multi-shelled mesoporous hollow metal hydroxide and oxide nanospheres as catalytic reactors

Jingwei Liu1,§, Yali Ma4,§, Liangliang Zhang1, Yuenan Zheng1, Rui Zhang1, Ling Zhang3, Feng Wei2 (✉), and Zhen-An Qiao1 (✉)

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1 State Key Laboratory of Inorganic Synthesis and Preparative Chemistry, College of Chemistry, Jilin University, Changchun 130012, China
2 Department of Hepatobiliary Pancreas Surgery, The First Hospital of Jilin University, Changchun 130021, China
3 State Key Laboratory of Supramolecular Structure and Materials, College of Chemistry, Jilin University, Changchun 130012, China
4 College of Chemical Engineering, Shenyang University of Chemical Technology, Shenyang 110142, China
§ Jingwei Liu and Yali Ma contributed equally to this work.

Keywords: mesoporous materials, multi-shelled structure, hollow, metal oxide nanospheres, aerobic catalytic oxidation
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  • Abstract
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Nowadays, multi-shelled mesoporous hollow metal oxide nanospheres have drawn a lot of attention due to their large internal space, nanometer scaled shell thickness, high specific surface area and well-defined mesopores, of which unique nanostructure endows metallic oxides with enhanced properties. In this thesis, we have studied and proposed a versatile ligand-assisted cooperative template method to synthesize multi-shelled mesoporous hollow metal hydroxides and oxides nanospheres, in which silica nanospheres act as sacrificial templates and the coordination interaction between metal ions and surfactant can be cooperatively amplified by using chelating ligand (ascorbic acid) as a co-template. The synthesized metal hydroxides and oxides nanospheres possess stable hollow structure, uniform spherical morphology and tunable diameter from 270 to 690 nm. All the multi-shelled mesoporous hollow metal hydroxide and metal oxide nanospheres exhibit high surface areas (up to 640 m2/g). The obtained Au nanoparticles loaded composited nanospheres exhibit excellent reactivity for solvent-free aerobic oxidation of ethylbenzene with high activity (28.2%) and selectivity (87%).
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A versatile ligand-assisted cooperative template method to synthesize multi-shelled mesoporous hollow metal hydroxide and oxide nanospheres as catalytic reactors. Nano Res. 2021, 14(9): 3260–3266 https://doi.org/10.1007/s12274-021-3403-2

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