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dc.contributor.authorZhang, Shengsen
dc.contributor.authorLiu, Chang
dc.contributor.authorLiu, Xiaolu
dc.contributor.authorZhang, Haimin
dc.contributor.authorLiu, Porun
dc.contributor.authorZhang, Shanqing
dc.contributor.authorPeng, Feng
dc.contributor.authorZhao, Huijun
dc.date.accessioned2017-05-03T15:16:23Z
dc.date.available2017-05-03T15:16:23Z
dc.date.issued2012
dc.date.modified2013-06-18T03:45:57Z
dc.identifier.issn0175-7598
dc.identifier.doi10.1007/s00253-012-4233-7
dc.identifier.urihttp://hdl.handle.net/10072/48328
dc.description.abstractIn this work, we report the use of a non-toxic nanocrystal Cu2O-loaded TiO2 nanotube array (Cu2O/ TNTs) film as high-performance visible-light bactericidal photocatalyst. The samples were characterized by fieldemission scanning electron microscopy, X-ray photoelectron spectroscopy, and ultraviolet-visible diffusion reflection spectroscopy. This Cu2O/TNTs film photocatalyst is capable of complete inactivation of Escherichia coli in 5׊107 colony-forming units/mL within a record short disinfection time of 20 min under visible-light irradiation. The average bactericidal percentage of the Cu2O/TNTs for E. coli under visible-light irradiation are 20 times and 6.6 times higher than those of TNTs under the same conditions and Cu2O/TNTs without light, respectively. This superior bactericidal performance is mainly attributed to the high ability to produce OH radicals by both photogenerated electron and hole of the prepared photocatalyst under visible light. The Cu2O/TNTs film photocatalyst makes it applicable to broad fields including drinking water disinfection.
dc.description.peerreviewedYes
dc.description.publicationstatusYes
dc.languageEnglish
dc.language.isoeng
dc.publisherSpringer
dc.publisher.placeGermany
dc.relation.ispartofstudentpublicationN
dc.relation.ispartofpagefrom1201
dc.relation.ispartofpageto1207
dc.relation.ispartofissue5
dc.relation.ispartofjournalApplied Microbiology and Biotechnology
dc.relation.ispartofvolume96
dc.rights.retentionY
dc.subject.fieldofresearchInorganic green chemistry
dc.subject.fieldofresearchOther environmental sciences not elsewhere classified
dc.subject.fieldofresearchNanomaterials
dc.subject.fieldofresearchcode340204
dc.subject.fieldofresearchcode419999
dc.subject.fieldofresearchcode401807
dc.titleNanocrystal Cu2O-loaded TiO2 nanotube array films as high-performance visible-light bactericidal photocatalyst
dc.typeJournal article
dc.type.descriptionC1 - Articles
dc.type.codeC - Journal Articles
gro.facultyGriffith Sciences, Griffith School of Environment
gro.date.issued2012
gro.hasfulltextNo Full Text
gro.griffith.authorZhao, Huijun
gro.griffith.authorLiu, Porun


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