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dc.contributor.authorGan, Wee Y
dc.contributor.authorFriedmann, Donia
dc.contributor.authorAmal, Rose
dc.contributor.authorZhang, Shanqing
dc.contributor.authorChiang, Ken
dc.contributor.authorZhao, Huijun
dc.date.accessioned2017-05-03T11:47:18Z
dc.date.available2017-05-03T11:47:18Z
dc.date.issued2010
dc.date.modified2011-03-07T08:54:41Z
dc.identifier.issn1385-8947
dc.identifier.doi10.1016/j.cej.2010.01.030
dc.identifier.urihttp://hdl.handle.net/10072/36899
dc.description.abstractThis study compares the photocatalytic (PC) and photoelectrocatalytic (PEC) oxidation of glucose by Pt-TiO2 films under similar conditions. The overall oxidation efficiency of the PEC process was better than the PC process, for both TiO2 and Pt-TiO2 films. The Pt deposits enhanced the PEC oxidation efficiency of glucose at low cathodic (-0.1 V) and low anodic potential bias (+0.1 V). As the applied anodic bias was increased to >+0.5 V, the undoped-TiO2 films outperformed their Pt-TiO2 counterparts. This suggests that in the studied systems, at an anodic bias of >+0.5 V, more holes were available for the oxidation of glucose on the surface of TiO2 compared to Pt-TiO2 films. In the PEC systems, above a certain applied bias, Pt deposits may have a detrimental effect on the performance of a PEC system because the Pt deposits could merely block the surface of TiO2 (particularly at the highest Pt loadings). Lower measured photocurrents from Pt-TiO2 films compared to undoped-TiO2 and a decrease in the photocurrent as the Pt loading increased corroborate this postulation.
dc.description.peerreviewedYes
dc.description.publicationstatusYes
dc.languageEnglish
dc.language.isoeng
dc.publisherElsevier
dc.publisher.placeNetherlands
dc.relation.ispartofstudentpublicationN
dc.relation.ispartofpagefrom482
dc.relation.ispartofpageto488
dc.relation.ispartofissue3
dc.relation.ispartofjournalChemical Engineering Journal
dc.relation.ispartofvolume158
dc.rights.retentionY
dc.subject.fieldofresearchChemical engineering
dc.subject.fieldofresearchChemical engineering not elsewhere classified
dc.subject.fieldofresearchCivil engineering
dc.subject.fieldofresearchEnvironmental engineering
dc.subject.fieldofresearchMaterials engineering
dc.subject.fieldofresearchcode4004
dc.subject.fieldofresearchcode400499
dc.subject.fieldofresearchcode4005
dc.subject.fieldofresearchcode4011
dc.subject.fieldofresearchcode4016
dc.titleA comparative study between photocatalytic and photoelectrocatalytic properties of Pt deposited TiO2 thin films for glucose degradation
dc.typeJournal article
dc.type.descriptionC1 - Articles
dc.type.codeC - Journal Articles
gro.date.issued2010
gro.hasfulltextNo Full Text
gro.griffith.authorZhao, Huijun


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