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Article: ZnO and TiO 2 1D nanostructures for photocatalytic applications

TitleZnO and TiO 2 1D nanostructures for photocatalytic applications
Authors
KeywordsOxide materials
Photocatalysis
Issue Date2011
PublisherElsevier BV. The Journal's web site is located at http://www.elsevier.com/locate/jallcom
Citation
Journal Of Alloys And Compounds, 2011, v. 509 n. 4, p. 1328-1332 How to Cite?
AbstractZnO and TiO 2 1D nanostructures (nanorods and nanotubes) were prepared by low-cost, low-temperature, solution-based methods and their properties and photocatalytic performance were studied. ZnO nanorod samples with titania and alumina shells were also prepared by solution-based methods, and their properties and photocatalytic performance were compared to that of bare ZnO nanorods. We found that ZnO and TiO 2 exhibited comparable photocatalytic performance. Faster dye degradation under simulated solar illumination was observed for ZnO, while under UV illumination faster degradation was observed for TiO 2. ZnO nanorods with titania shells exhibited inferior photocatalytic performance, while for alumina shells the performance was similar to bare ZnO. Reasons for observed differences are discussed, and the effect of the shell on photocatalytic activity is attributed to the changes in native defects at the ZnO surface/shell interface. © 2010 Elsevier B.V. All rights reserved.
Persistent Identifierhttp://hdl.handle.net/10722/142467
ISSN
2015 Impact Factor: 3.014
2015 SCImago Journal Rankings: 1.006
ISI Accession Number ID
Funding AgencyGrant Number
University Development Fund
Strategic Research Theme the University of Hong Kong
RGCCRF CityU6/CRF/08
Funding Information:

This work is partly supported by the University Development Fund and Strategic Research Theme the University of Hong Kong and RGC CRF CityU6/CRF/08 The authors would like to thank Prof Raymond WY Wong from Hong Kong Baptist University for the BET surface area measurements

References

 

DC FieldValueLanguage
dc.contributor.authorGuo, MYen_HK
dc.contributor.authorFung, MKen_HK
dc.contributor.authorFang, Fen_HK
dc.contributor.authorChen, XYen_HK
dc.contributor.authorNg, AMCen_HK
dc.contributor.authorDjurišić, ABen_HK
dc.contributor.authorChan, WKen_HK
dc.date.accessioned2011-10-28T02:46:46Z-
dc.date.available2011-10-28T02:46:46Z-
dc.date.issued2011en_HK
dc.identifier.citationJournal Of Alloys And Compounds, 2011, v. 509 n. 4, p. 1328-1332en_HK
dc.identifier.issn0925-8388en_HK
dc.identifier.urihttp://hdl.handle.net/10722/142467-
dc.description.abstractZnO and TiO 2 1D nanostructures (nanorods and nanotubes) were prepared by low-cost, low-temperature, solution-based methods and their properties and photocatalytic performance were studied. ZnO nanorod samples with titania and alumina shells were also prepared by solution-based methods, and their properties and photocatalytic performance were compared to that of bare ZnO nanorods. We found that ZnO and TiO 2 exhibited comparable photocatalytic performance. Faster dye degradation under simulated solar illumination was observed for ZnO, while under UV illumination faster degradation was observed for TiO 2. ZnO nanorods with titania shells exhibited inferior photocatalytic performance, while for alumina shells the performance was similar to bare ZnO. Reasons for observed differences are discussed, and the effect of the shell on photocatalytic activity is attributed to the changes in native defects at the ZnO surface/shell interface. © 2010 Elsevier B.V. All rights reserved.en_HK
dc.languageengen_US
dc.publisherElsevier BV. The Journal's web site is located at http://www.elsevier.com/locate/jallcomen_HK
dc.relation.ispartofJournal of Alloys and Compoundsen_HK
dc.subjectOxide materialsen_HK
dc.subjectPhotocatalysisen_HK
dc.titleZnO and TiO 2 1D nanostructures for photocatalytic applicationsen_HK
dc.typeArticleen_HK
dc.identifier.openurlhttp://library.hku.hk:4550/resserv?sid=HKU:IR&issn=0925-8388&volume=509&issue=4&spage=1328&epage=1332&date=2011&atitle=ZnO+and+TiO2+1D+nanostructures+for+photocatalytic+applicationsen_US
dc.identifier.emailDjurišić, AB: dalek@hku.hken_HK
dc.identifier.authorityDjurišić, AB=rp00690en_HK
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1016/j.jallcom.2010.10.028en_HK
dc.identifier.scopuseid_2-s2.0-78649332887en_HK
dc.identifier.hkuros184596en_US
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-78649332887&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume509en_HK
dc.identifier.issue4en_HK
dc.identifier.spage1328en_HK
dc.identifier.epage1332en_HK
dc.identifier.isiWOS:000285269800047-
dc.publisher.placeNetherlandsen_HK
dc.identifier.scopusauthoridGuo, MY=41761700900en_HK
dc.identifier.scopusauthoridFung, MK=35191896100en_HK
dc.identifier.scopusauthoridFang, F=7202929817en_HK
dc.identifier.scopusauthoridChen, XY=35182594600en_HK
dc.identifier.scopusauthoridNg, AMC=12140078600en_HK
dc.identifier.scopusauthoridDjurišić, AB=7004904830en_HK
dc.identifier.scopusauthoridChan, WK=7403917961en_HK
dc.identifier.citeulike8067978-

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