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Article: Photocatalytic decolorization of anthraquinonic dye by TiO2 thin film under UVA and visible-light irradiation

TitlePhotocatalytic decolorization of anthraquinonic dye by TiO2 thin film under UVA and visible-light irradiation
Authors
KeywordsAnthraquinonic dye
Chromium ion implantation
Photocatalytic decolorization
Sol-gel thin film
Titanium dioxide
Issue Date2007
PublisherElsevier BV. The Journal's web site is located at http://www.elsevier.com/locate/cej
Citation
Chemical Engineering Journal, 2007, v. 129 n. 1-3, p. 153-159 How to Cite?
AbstractIn this investigation, the effectiveness of using photocatalytic sol-gel TiO2 thin film to decolorize anthraquinonic dye Acid Blue 80 was evaluated experimentally. The TiO2 photocatalysts synthesized were characterized by DSC-TG, XRD, HRTEM, UV-vis spectra, SEM, and XPS. The experimental results showed that a TiO2 thin film formed without high temperature calcination could effectively perform photocatalytic decolorization under UVA irradiation. After the TiO2 thin film was modified by Cr ion implantation, the characterization by UV-vis spectra showed that the light absorption was extended beyond UV to the visible range. The modified thin film could perform visible-light-assisted photocatalytic decolorization of the dye. The overall study demonstrates the promise of solar photocatalytic decolorization of dye for treatment of textile effluent. By adopting immobilized TiO2 thin films instead of conventional suspended TiO2 particles, the photocatalytic water treatment method becomes more cost-effective as the costly filtration process, normally needed to recover TiO2 particles from the effluent discharge, can be omitted. © 2006 Elsevier B.V. All rights reserved.
Persistent Identifierhttp://hdl.handle.net/10722/76066
ISSN
2015 Impact Factor: 5.31
2015 SCImago Journal Rankings: 1.743
ISI Accession Number ID
References

 

DC FieldValueLanguage
dc.contributor.authorAo, CHen_HK
dc.contributor.authorLeung, MKHen_HK
dc.contributor.authorLam, RCWen_HK
dc.contributor.authorLeung, DYCen_HK
dc.contributor.authorVrijmoed, LLPen_HK
dc.contributor.authorYam, WCen_HK
dc.contributor.authorNg, SPen_HK
dc.date.accessioned2010-09-06T07:17:18Z-
dc.date.available2010-09-06T07:17:18Z-
dc.date.issued2007en_HK
dc.identifier.citationChemical Engineering Journal, 2007, v. 129 n. 1-3, p. 153-159en_HK
dc.identifier.issn1385-8947en_HK
dc.identifier.urihttp://hdl.handle.net/10722/76066-
dc.description.abstractIn this investigation, the effectiveness of using photocatalytic sol-gel TiO2 thin film to decolorize anthraquinonic dye Acid Blue 80 was evaluated experimentally. The TiO2 photocatalysts synthesized were characterized by DSC-TG, XRD, HRTEM, UV-vis spectra, SEM, and XPS. The experimental results showed that a TiO2 thin film formed without high temperature calcination could effectively perform photocatalytic decolorization under UVA irradiation. After the TiO2 thin film was modified by Cr ion implantation, the characterization by UV-vis spectra showed that the light absorption was extended beyond UV to the visible range. The modified thin film could perform visible-light-assisted photocatalytic decolorization of the dye. The overall study demonstrates the promise of solar photocatalytic decolorization of dye for treatment of textile effluent. By adopting immobilized TiO2 thin films instead of conventional suspended TiO2 particles, the photocatalytic water treatment method becomes more cost-effective as the costly filtration process, normally needed to recover TiO2 particles from the effluent discharge, can be omitted. © 2006 Elsevier B.V. All rights reserved.en_HK
dc.languageengen_HK
dc.publisherElsevier BV. The Journal's web site is located at http://www.elsevier.com/locate/cejen_HK
dc.relation.ispartofChemical Engineering Journalen_HK
dc.rightsChemical Engineering Journal. Copyright © Elsevier BV.en_HK
dc.subjectAnthraquinonic dyeen_HK
dc.subjectChromium ion implantationen_HK
dc.subjectPhotocatalytic decolorizationen_HK
dc.subjectSol-gel thin filmen_HK
dc.subjectTitanium dioxideen_HK
dc.titlePhotocatalytic decolorization of anthraquinonic dye by TiO2 thin film under UVA and visible-light irradiationen_HK
dc.typeArticleen_HK
dc.identifier.openurlhttp://library.hku.hk:4550/resserv?sid=HKU:IR&issn=1385-8947&volume=129&issue=1-3&spage=153&epage=159&date=2007&atitle=Photocatalytic+decolorization+of+anthraquinonic+dye+by+TiO2+thin+film+under+UVA+and+visible-light+irradiationen_HK
dc.identifier.emailLeung, MKH:en_HK
dc.identifier.emailLeung, DYC: ycleung@hku.hken_HK
dc.identifier.emailYam, WC: wcyam@hkucc.hku.hken_HK
dc.identifier.authorityLeung, MKH=rp00148en_HK
dc.identifier.authorityLeung, DYC=rp00149en_HK
dc.identifier.authorityYam, WC=rp00313en_HK
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1016/j.cej.2006.10.022en_HK
dc.identifier.scopuseid_2-s2.0-34047269112en_HK
dc.identifier.hkuros132227en_HK
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-34047269112&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume129en_HK
dc.identifier.issue1-3en_HK
dc.identifier.spage153en_HK
dc.identifier.epage159en_HK
dc.identifier.isiWOS:000246335200016-
dc.publisher.placeNetherlandsen_HK
dc.identifier.scopusauthoridAo, CH=7003780339en_HK
dc.identifier.scopusauthoridLeung, MKH=8862966600en_HK
dc.identifier.scopusauthoridLam, RCW=14048708900en_HK
dc.identifier.scopusauthoridLeung, DYC=7203002484en_HK
dc.identifier.scopusauthoridVrijmoed, LLP=7003337180en_HK
dc.identifier.scopusauthoridYam, WC=7004281720en_HK
dc.identifier.scopusauthoridNg, SP=8862966400en_HK

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