oa South African Journal of Chemistry - Synthesis and photocatalytic activity of ZnxCd1-xS/TiO2 heterostructures nanofibre prepared by combining electrospinning and hydrothermal method : research article
|Article Title||Synthesis and photocatalytic activity of ZnxCd1-xS/TiO2 heterostructures nanofibre prepared by combining electrospinning and hydrothermal method : research article|
|© Publisher:||South African Chemical Institute (SACI)|
|Journal||South African Journal of Chemistry|
|Affiliations||1 Xi'an Polytechnic University, China, 2 Xi'an Polytechnic University, China, 3 Xi'an Polytechnic University, China, 4 Xi'an Jiaotong University, China, 5 Xi'an Jiaotong University, China and 6 Xi'an Jiaotong University, China|
|Publication Date||Jan 2015|
|Pages||138 - 142|
|Keyword(s)||Dye degradition, Electrospinning, Heterostructures and Photocatalysis,|
The ZnxCd1-xS/TiO2 hierarchical heterostructures were successfully fabricated by combining electrospinning technology and hydrothermal methods. The morphology, crystallinity, composition and band gap of ZnxCd1-xS/TiO2 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 ZnxCd1-xS/TiO2 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 ZnxCd1-xS/TiO2 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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