Preparation, Characterization, and Photocatalytic Activity of TiO2/ZnO Nanocomposites

Nanoparticles of the TiO2/ZnO composite photocatalysts were prepared via sol-gel process. The crystalline structure, morphology, thermal stability, and pore structure properties of the composite photocatalysts were characterized by XRD, FE-SEM, TG-DTA, and N2 physical adsorption measurements. The ph...

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Main Authors:	Liqin Wang, Xiujun Fu, Yang Han, E. Chang, Haitao Wu, Haiying Wang, Kuiying Li, Xiaowen Qi
Format:	Article
Language:	English
Published:	Hindawi Limited 2013-01-01
Series:	Journal of Nanomaterials
Online Access:	http://dx.doi.org/10.1155/2013/321459

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spelling	doaj-3488fde9fe7b4122ba44f44303b464982020-11-25T00:14:24ZengHindawi LimitedJournal of Nanomaterials1687-41101687-41292013-01-01201310.1155/2013/321459321459Preparation, Characterization, and Photocatalytic Activity of TiO2/ZnO NanocompositesLiqin Wang0Xiujun Fu1Yang Han2E. Chang3Haitao Wu4Haiying Wang5Kuiying Li6Xiaowen Qi7Hebei Key Laboratory of Applied Chemistry, College of Environmental and Chemical Engineering, Yanshan University, Qinhuangdao 066004, ChinaHebei Key Laboratory of Applied Chemistry, College of Environmental and Chemical Engineering, Yanshan University, Qinhuangdao 066004, ChinaHebei Key Laboratory of Applied Chemistry, College of Environmental and Chemical Engineering, Yanshan University, Qinhuangdao 066004, ChinaHebei Key Laboratory of Applied Chemistry, College of Environmental and Chemical Engineering, Yanshan University, Qinhuangdao 066004, ChinaHebei Key Laboratory of Applied Chemistry, College of Environmental and Chemical Engineering, Yanshan University, Qinhuangdao 066004, ChinaHebei Key Laboratory of Applied Chemistry, College of Environmental and Chemical Engineering, Yanshan University, Qinhuangdao 066004, ChinaState Key Laboratory of Metastable Materials Science and Technology, Yanshan University, Qinhuangdao 066004, ChinaCollege of Mechanical Engineering, Yanshan University, Qinhuangdao 066004, ChinaNanoparticles of the TiO2/ZnO composite photocatalysts were prepared via sol-gel process. The crystalline structure, morphology, thermal stability, and pore structure properties of the composite photocatalysts were characterized by XRD, FE-SEM, TG-DTA, and N2 physical adsorption measurements. The photocatalytic activity of the composite catalysts was evaluated by photocatalytic degradation reaction of methyl orange (MO) in aqueous solution. The best preparation parameters for the composite photocatalysts were obtained through systematical experiments. Furthermore, the photocatalytic degradation reaction of aqueous MO solution followed the first-order reaction kinetics; the relative equation can be described as ln(C0/C)=0.5689t, and the calculated correlation constant (R2) is 0.9937 for the calibration curve.http://dx.doi.org/10.1155/2013/321459
collection	DOAJ
language	English
format	Article
sources	DOAJ
author	Liqin Wang Xiujun Fu Yang Han E. Chang Haitao Wu Haiying Wang Kuiying Li Xiaowen Qi
spellingShingle	Liqin Wang Xiujun Fu Yang Han E. Chang Haitao Wu Haiying Wang Kuiying Li Xiaowen Qi Preparation, Characterization, and Photocatalytic Activity of TiO2/ZnO Nanocomposites Journal of Nanomaterials
author_facet	Liqin Wang Xiujun Fu Yang Han E. Chang Haitao Wu Haiying Wang Kuiying Li Xiaowen Qi
author_sort	Liqin Wang
title	Preparation, Characterization, and Photocatalytic Activity of TiO2/ZnO Nanocomposites
title_short	Preparation, Characterization, and Photocatalytic Activity of TiO2/ZnO Nanocomposites
title_full	Preparation, Characterization, and Photocatalytic Activity of TiO2/ZnO Nanocomposites
title_fullStr	Preparation, Characterization, and Photocatalytic Activity of TiO2/ZnO Nanocomposites
title_full_unstemmed	Preparation, Characterization, and Photocatalytic Activity of TiO2/ZnO Nanocomposites
title_sort	preparation, characterization, and photocatalytic activity of tio2/zno nanocomposites
publisher	Hindawi Limited
series	Journal of Nanomaterials
issn	1687-4110 1687-4129
publishDate	2013-01-01
description	Nanoparticles of the TiO2/ZnO composite photocatalysts were prepared via sol-gel process. The crystalline structure, morphology, thermal stability, and pore structure properties of the composite photocatalysts were characterized by XRD, FE-SEM, TG-DTA, and N2 physical adsorption measurements. The photocatalytic activity of the composite catalysts was evaluated by photocatalytic degradation reaction of methyl orange (MO) in aqueous solution. The best preparation parameters for the composite photocatalysts were obtained through systematical experiments. Furthermore, the photocatalytic degradation reaction of aqueous MO solution followed the first-order reaction kinetics; the relative equation can be described as ln(C0/C)=0.5689t, and the calculated correlation constant (R2) is 0.9937 for the calibration curve.
url	http://dx.doi.org/10.1155/2013/321459
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Preparation, Characterization, and Photocatalytic Activity of TiO2/ZnO Nanocomposites

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