ZnS/SnS/Ag2S photocatalyst with enhanced photocatalytic activity under visible light illumination towards wastewater treatment

ZnS/SnS/Ag2S photocatalyst with enhanced photocatalytic activity under visible light illumination... Res Chem Intermed (2017) 43:423–435 DOI 10.1007/s11164-016-2632-6 ZnS/SnS/Ag S photocatalyst with enhanced photocatalytic activity under visible light illumination towards wastewater treatment 1 1 Kalyanaraman Kalpana Vaithilingam Selvaraj Received: 4 April 2016 / Accepted: 29 June 2016 / Published online: 9 July 2016 Springer Science+Business Media Dordrecht 2016 Abstract In this study, various compositions of ternary ZnS/SnS/Ag S nanocatalysts were prepared for the first time through a wet chemical method. The as-prepared samples were characterized by UV–DRS, PL and SEM analysis. The photocatalytic activities of the ZnS/SnS/Ag S nanocatalysts were optimized for the photodecomposition of an aqueous solution of congo red (CR) dye under sunlight. The results review that the prepared ZnS/SnS/Ag S nanocatalysts have significantly enhanced photocatalytic activity upon exposure to visible light when compared to that of ZnS and ZnS/SnS catalysts. Moreover, the ZnS/SnS/Ag S nanocatalysts can be easily recovered and reused for photocatalytic applications under direct natural sunlight. The ZnS/SnS/Ag S nanocatalysts degrade CR dye with high efficiency, which will greatly promote their application in the area of environmental remediation. & Vaithilingam Selvaraj rajselva_77@yahoo.co.in; vselva@aucev.edu.in; vaithilingamselvaraj@gmail.com Nanotech Research Lab, Department of Chemistry, University College of Engineering Villupuram (A Constituent College of Anna University, Chennai), Kakuppam, Villupuram, Tamil http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Research on Chemical Intermediates Springer Journals

ZnS/SnS/Ag2S photocatalyst with enhanced photocatalytic activity under visible light illumination towards wastewater treatment

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Publisher
Springer Netherlands
Copyright
Copyright © 2016 by Springer Science+Business Media Dordrecht
Subject
Chemistry; Catalysis; Physical Chemistry; Inorganic Chemistry
ISSN
0922-6168
eISSN
1568-5675
D.O.I.
10.1007/s11164-016-2632-6
Publisher site
See Article on Publisher Site

Abstract

Res Chem Intermed (2017) 43:423–435 DOI 10.1007/s11164-016-2632-6 ZnS/SnS/Ag S photocatalyst with enhanced photocatalytic activity under visible light illumination towards wastewater treatment 1 1 Kalyanaraman Kalpana Vaithilingam Selvaraj Received: 4 April 2016 / Accepted: 29 June 2016 / Published online: 9 July 2016 Springer Science+Business Media Dordrecht 2016 Abstract In this study, various compositions of ternary ZnS/SnS/Ag S nanocatalysts were prepared for the first time through a wet chemical method. The as-prepared samples were characterized by UV–DRS, PL and SEM analysis. The photocatalytic activities of the ZnS/SnS/Ag S nanocatalysts were optimized for the photodecomposition of an aqueous solution of congo red (CR) dye under sunlight. The results review that the prepared ZnS/SnS/Ag S nanocatalysts have significantly enhanced photocatalytic activity upon exposure to visible light when compared to that of ZnS and ZnS/SnS catalysts. Moreover, the ZnS/SnS/Ag S nanocatalysts can be easily recovered and reused for photocatalytic applications under direct natural sunlight. The ZnS/SnS/Ag S nanocatalysts degrade CR dye with high efficiency, which will greatly promote their application in the area of environmental remediation. & Vaithilingam Selvaraj rajselva_77@yahoo.co.in; vselva@aucev.edu.in; vaithilingamselvaraj@gmail.com Nanotech Research Lab, Department of Chemistry, University College of Engineering Villupuram (A Constituent College of Anna University, Chennai), Kakuppam, Villupuram, Tamil

Journal

Research on Chemical IntermediatesSpringer Journals

Published: Jul 9, 2016

References

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