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Issue 40, 2014
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A general and rapid synthesis of metal sulphides hollow spheres that have properties enhanced by salt-assisted aerosol decomposition: a case of ZnS and other multicomponent solid solutions

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Abstract

Synthesis of hollow structures of metal sulphides generally involves various templates and complex chemical processing. In the present study, a general and rapid method of salt-assisted aerosol decomposition (SAD) is presented for the synthesis of hollow spheres of various metal sulfides, including ZnS, ternary sulfides, and solid solutions. The NaCl salt plays a critical role in the formation of hollow spheres of metal sulfides. The hollow spherical microstructure was formed from solid by using a small amount of water soluble NaCl salt. The formation of metal sulphide hollow spheres differs from previous mechanisms and is referred to as molten salt heterogeneous nucleation (MSHN). The present method offers the most promising advantage for controlling the multicomponent composition of hollow spheres. Furthermore, hollow spheres of sulphides have much enhanced properties such as photoluminescence of ZnS:Mn2+ and photocatalytic dye degradation of ZnIn2S4 due to the role of molten salt in the promotion of crystallization, The present method could be explored further by applying the process to other compounds such as sulfides, oxides, and nitrides.

Graphical abstract: A general and rapid synthesis of metal sulphides hollow spheres that have properties enhanced by salt-assisted aerosol decomposition: a case of ZnS and other multicomponent solid solutions

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Publication details

The article was received on 17 Jul 2014, accepted on 21 Aug 2014 and first published on 21 Aug 2014


Article type: Paper
DOI: 10.1039/C4TC01557F
Citation: J. Mater. Chem. C, 2014,2, 8564-8568
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    A general and rapid synthesis of metal sulphides hollow spheres that have properties enhanced by salt-assisted aerosol decomposition: a case of ZnS and other multicomponent solid solutions

    W. Zou, J. Chen, L. Hu, Q. Li, X. Yao, L. Gu, J. Deng, R. Yu and X. Xing, J. Mater. Chem. C, 2014, 2, 8564
    DOI: 10.1039/C4TC01557F

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