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Immobilization of TiO2 on an ITO substrate to facilitate the photoelectrochemical degradation of an organic dye pollutant

Title
Immobilization of TiO2 on an ITO substrate to facilitate the photoelectrochemical degradation of an organic dye pollutant
Authors
Kim, C[Kim, Cham]Kim, JT[Kim, Jong Tae]Kim, KS[Kim, Ki Soo]Jeong, S[Jeong, Seonju]Kim, HY[Kim, Ho Young]Han, YS[Han, Yoon Soo]
DGIST Authors
Kim, C[Kim, Cham]; Kim, JT[Kim, Jong Tae]; Kim, KS[Kim, Ki Soo]; Jeong, S[Jeong, Seonju]; Kim, HY[Kim, Ho Young]; Han, YS[Han, Yoon Soo]
Issue Date
2009-10-01
Citation
Electrochimica Acta, 54(24), 5715-5720
Type
Article
Article Type
Review
Keywords
CalcinationCoatingsDegradationDegradation of PollutantsElectrochemical DegradationElectrochemical PerformanceElectrochemical SystemsGlass SubstratesHydroxyl RadicalHydroxyl RadicalsImmobilized TioOrganic DyeOrganic PollutantsPhoto-CatalyticPhoto-Catalytic PerformancePhotoelectrochemical DegradationPhotoelectrochemical SystemSpin-CoatingSpin-Coating ProcessSpin DynamicsSubstratesTiOTio2 ImmobilizationTiO2 ImmobilizationTiO2/ITOWastewaterWastewater ReclamationWastewater TreatmentWastewater Treatment PlantsWater Treatment Plants
ISSN
0013-4686
Abstract
In this study, we developed an immobilized TiO2 semiconductor on an ITO glass substrate (TiO2/ITO) and investigated its photocatalytic and electrochemical performance. The TiO2/ITO samples were prepared via a spin-coating process followed by calcination and were used for the photocatalytic or electrochemical degradation of an organic dye pollutant. The measured photocatalytic performance was comparable to that reported in previous publications; however, a remarkable result was obtained in our electrochemical system. The formation of hydroxyl radicals (OH{radical dot}) strongly dominated the electrochemical system, which resulted in outstanding degradation performance. Therefore, we propose a commercializable photoelectrochemical system that can maximize the degradation of pollutants in wastewater treatment plants. © 2009 Elsevier Ltd. All rights reserved.
URI
http://hdl.handle.net/20.500.11750/3545
DOI
10.1016/j.electacta.2009.05.018
Publisher
Elsevier Ltd
Related Researcher
Files:
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Collection:
ETC1. Journal Articles


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