oa South African Journal of Chemistry - Synthesis and photocatalytic activity of ZnCdS/TiO heterostructures nanofibre prepared by combining electrospinning and hydrothermal method : research article

Volume 68, Issue 1
  • ISSN : 0379-4350



The ZnCdS/TiO hierarchical heterostructures were successfully fabricated by combining electrospinning technology and hydrothermal methods. The morphology, crystallinity, composition and band gap of ZnCdS/TiO were characterized by SEM, XRD, EDS, and UV-vis diffuse reflectance spectroscopy. The results indicated the sulphur concentration had a significant influence on the composition and morphology of the products. The values of the band gap energy for ZnCdS/TiO varied from 2.33 to 2.66 eV with the change of sulphur concentration. When the molar ratio of S/Ti was 0.96, the ZnCdS/TiO hierarchical heterostructures exhibited enhanced visible light photocatalytic behaviour for the decomposition of Rhodamine B (RhB) under visible light irradiation. The photocatalytic degradation of RhB followed first-order reaction kinetics.

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