SnS2 nanoplates/SnO2 nanotubes composites as efficient visible light-driven photocatalysts for Cr(VI) reduction

SnS2 nanoplates/SnO2 nanotubes composites as efficient visible light-driven photocatalysts for... Keywords Electrospinning  Hydrothermal  SnS /SnO  Visible light 2 2 Cr(VI) reduction Introduction As a contaminant in wastewater, Cr(VI) is very hazardous owing to its acute toxicity to humans and its high solubility in water, so the removal of Cr(VI) is important [1]. In order to remove Cr(VI) from wastewater, conversion of Cr(VI) into Cr(III) is considered to be one of the usable methods, since Cr(III) is eco-friendly and can be easily precipitated and removed as a solid waste like Cr(OH) [2]. Therefore, how to efficiently treat the Cr(VI) in wastewater has attracted significant attention [3–5]. Recently, it has been reported that the semiconductor-mediated photocatalytic reduction technology as one method for treating Cr(VI) has many distinct advantages, such as simple operation, high efficiency, and no use or release of other undesirable chemicals [6, 7]. However, the fast recombination rate of the photo-generated electron–holes or only using UV irradiation of the semiconductor photocatalysts has affected the practical applications of photocatalysis technology to large-scale Cr(VI) wastewater treatment. It is vital for the development of high performance semiconductor photocatalysts with high photocatalytic activity and stability for the Cr(VI) reduction under visible light. Semiconductor metal sulfides have been widely concerned in Research on Chemical Intermediates Springer Journals

SnS2 nanoplates/SnO2 nanotubes composites as efficient visible light-driven photocatalysts for Cr(VI) reduction

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Springer Netherlands
Copyright © 2017 by Springer Science+Business Media B.V.
Chemistry; Catalysis; Physical Chemistry; Inorganic Chemistry
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