Outward conversion of core–shell nanostructured ZnS microspheres to mesoporous ZnO ones

Xionghui Fu; Xianfeng Yang; Zhiren Qiu; Fenghua Zhao; Jianle Zhuang; Aihua He; Liqiao Chen; Chunlei Wu; Xianjian Duan; Chaolun Liang; Mingmei Wu

doi:10.1039/C3CE27110B

Outward conversion of core–shell nanostructured ZnS microspheres to mesoporous ZnO ones†

Xionghui Fu,^a Xianfeng Yang,^a Zhiren Qiu,^a Fenghua Zhao,^a Jianle Zhuang,^a Aihua He,^a Liqiao Chen,^a Chunlei Wu,^b Xianjian Duan,^b Chaolun Liang^a and Mingmei Wu*^a

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* Corresponding authors

^a MOE Key Laboratory of Bioinorganic and Synthetic Chemistry, State Key Laboratory of Optoelectronic Materials and Technology, Key Laboratory of Environment and Energy Chemistry of Guangdong Higher Education Institutes, School of Chemistry and Chemical Engineering, School of Physics and Engineering, Instrumental Analysis and Research Centre, Sun Yat-Sen University, Guangzhou, P. R. China
E-mail: ceswmm@mail.sysu.edu.cn
Fax: +86 20 8411 1038
Tel: +86 20 8411 1823

^b Guangzhou GBS High-Tech & Industrial Co. Ltd., NO 15, Nanxiang San Road, Science City, Luogang District, Guangzhou, P. R. China

Abstract

In this paper, a new core–shell nanostructure is proposed which is based on ZnS microspheres but the core and shell nanostructures are different. The conversion from such core–shell ZnS nanostructures to Zn(S,O)@ZnS ones and porous ZnO microspheres has been established by annealing ZnS microspheres in air atmosphere and investigated in detail by X-ray diffraction, scanning electron microscopy (SEM), transmission electron microscopy (TEM) and electron diffraction. During the conversion, both physical and chemical performances such as optical and photocatalytic properties can be tuned and enhanced.

CrystEngComm

Outward conversion of core–shell nanostructured ZnS microspheres to mesoporous ZnO ones†

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Outward conversion of core–shell nanostructured ZnS microspheres to mesoporous ZnO ones

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