Abstract
Mesoporous ZnS: Ce nanorod have been synthesized via a co-precipitation process for photocatalytic activity, photostability and photomineralization properties. N2 adsorption studies confirm the presence of mesoporous in the ZnS nanoparticles and ZnS: Ce nanorods. The incorporation of Ce increases the photocatalytic efficiency of ZnS and narrowing the bandgap energy. The underlying mechanism of photocatalysis in the dye/ZnS: Ce system, the Ce4+ ions inhibits the electron–hole recombination. Photoconductivity measurements confirm the production of photocharge carrier of ZnS: Ce nanorod and the elimination of electron–hole recombination is validated by photoluminescence spectra. The improved charge separation of ZnS: Ce nanorods produce higher photodegradation than undoped ZnS nanoparticles under sunlight irradiation. An exclusive mesoporous structure of ZnS: Ce nanorod propose for enlightening the light harvest, charge separation, and the performance of photocatalytic degradation. Upon photocatalysis, the sample showed no structural changes after five cycles of Turquoise Blue H5G degradation that were characterized by Fourier transmission infrared and XRD analyses.
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