Journal
JOURNAL OF COLLOID AND INTERFACE SCIENCE
Volume 509, Issue -, Pages 68-72Publisher
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/j.jcis.2017.08.093
Keywords
Fe3+/Cu2+-grafted ZnO nanorod; Rhodamine B degradation; 4-Nitrophenol degradation; Photoinduced interfacial charge transfer; (IFCT)
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Funding
- Ministry of Mines, Government of India, New Delhi
- 'Alexander von Humboldt Foundation' Germany
- DST
- UGC
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Design of visible-light-responsive photocatalyst employing simple and cost-effective method is of great importance from commercial point of view. Herein, we report the synthesis of visible-light-sensitive ubiquitous nanoclusters of Fe3+/Cu2+-grafted ZnO nanorod using impregnation technique, which showed excellent photocatalytic activity towards the decomposition of Rhodamine B (RhB), 4-nitrophenol (4-NP) and paracetamol in aqueous suspension under atmospheric oxygen. Fe-grafted ZnO nanorod exhibited pronounced effect for the degradation of the above-mentioned pollutants compared to pure ZnO and Cu-grafted ZnO nanorod. The better activity could be due to the more positive redox potential of surface grafted Fe3+ species resulting in the generation of more hydroxyl radicals thereby, leading to higher photodegradation rate. (C) 2017 Elsevier Inc. All rights reserved.
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