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Enhancement of visible light photocatalytic activity of CdO modified ZnO nanohybrid particles

Paper ID Volume ID Publish Year Pages File Format Full-Text
29776 44440 2015 7 PDF Available
Title
Enhancement of visible light photocatalytic activity of CdO modified ZnO nanohybrid particles
Abstract

•ZnO–CdO nanohybrid particles have been synthesized by hydrothermal co-precipitation method.•ZnO–CdO-3:1 nanohybrid particles exhibited excellent photocatalytic activity under visible light.•Higher density of CdO decreased the photocatalytic efficiency.

Highly effective ZnO–CdO nanohybrid particles were synthesized via a hydrothermal co-precipitation method and characterized by X-ray diffraction (XRD), field emission-scanning electron microscopy (FESEM), particle size analyzer, zeta sizer and Brunauer–Emmett–Teller (BET) surface area analysis. ZnO–CdO-3:1 nanohybrid photocatalyst exhibited significantly enhanced photostability and photocatalytic activity for the degradation of Methylene Blue. The formation of hydroxyl radicals was measured by photoluminescence (PL) spectroscopy. Photocatalytic efficiency of ZnO was high at ZnO–CdO ratio of 3:1. Furthermore, this work provides an insight into the development of a new photocatalyst for the degradation of organic contaminants.

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Publisher
Database: Elsevier - ScienceDirect
Journal: Journal of Photochemistry and Photobiology B: Biology - Volume 142, January 2015, Pages 1–7
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Bioengineering
Get Full-Text Now
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Price was $35.95
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