Journal
FUNCTIONAL MATERIALS LETTERS
Volume 10, Issue 5, Pages -Publisher
WORLD SCIENTIFIC PUBL CO PTE LTD
DOI: 10.1142/S1793604717500515
Keywords
Nanowall; microsphere; ZnS/ZnO; heterojunction; photocatalysis
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A novel network porous microspheric ZnS/ZnO photocatalyst had been successfully synthesized via a thermal treatment method with using ZnS as a template. The XRD diffraction result demonstrated that the material was the composite of hexagonal wurtzite ZnS and hexagonal wurtzite ZnO. The network porous microsphere was formed by ZnS/ ZnO nanowalls. The photocatalytic activity of the ZnS/ ZnO photocatalyst was investigated by using methyl orange (MO) under visible light irradiation. The MO was reduced by 96.93% in 120 min, which was much higher than that of pure ZnO and ZnS photocatalysts. The excellent photocatalytic performance was mainly attributed to the formation of novel network porous microspheric ZnS/ ZnO heterojunction which was formed by nanowalls and the efficient separation of photogenerated charge carriers.
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