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dc.contributor.authorCai, Zhongyuen_US
dc.contributor.authorTeng, Jinghuaen_US
dc.contributor.authorXiong, Zhigangen_US
dc.contributor.authorLi, Yanqiangen_US
dc.contributor.authorLi, Qinen_US
dc.contributor.authorLu, Xianmaoen_US
dc.contributor.authorZhao, X.en_US
dc.date.accessioned2017-05-03T16:05:10Z
dc.date.available2017-05-03T16:05:10Z
dc.date.issued2011en_US
dc.identifier.issn0743-7463en_US
dc.identifier.doi10.1021/la200111jen_US
dc.identifier.urihttp://hdl.handle.net/10072/44767
dc.description.abstractA sandwich-vacuum method was demonstrated for the fabrication of titania (TiO2) binary inverse opals with an open surface. In this method, a moisture-stable TiO2 precursor was backfilled into the interstitial spaces of polystyrene binary colloidal crystals (PS bCCs), which served as a template. Removal of the template by calcination yielded TiO2 binary inverse opals with a 3D-ordered macroporous (3DOM) structure. Optical reflectance spectra revealed the existence of a pseudostop band gap in the 3DOM TiO2 samples. The position of the pseudostop band gap shifted to the low-wavelength region as the number ratio of small over large PS spheres was increased in the template. The sandwich-vacuum method proved to be simple and rapid for the fabrication of TiO2 binary inverse opals without overlayers in large domains. The 3DOM TiO2 materials were used as a photocatalyst for the degradation of benzoic acid. Results showed that in comparison to TiO2 nanoparticles prepared under the same sintering conditions, the 3DOM TiO2 materials displayed enhanced photocatalytic activity.en_US
dc.description.peerreviewedYesen_US
dc.description.publicationstatusYesen_US
dc.languageEnglishen_US
dc.language.isoen_US
dc.publisherAmerican Chemical Societyen_US
dc.publisher.placeUnited Statesen_US
dc.relation.ispartofstudentpublicationNen_US
dc.relation.ispartofpagefrom5157en_US
dc.relation.ispartofpageto5164en_US
dc.relation.ispartofissue8en_US
dc.relation.ispartofjournalLangmuiren_US
dc.relation.ispartofvolume27en_US
dc.rights.retentionYen_US
dc.subject.fieldofresearchChemical Engineering not elsewhere classifieden_US
dc.subject.fieldofresearchcode090499en_US
dc.titleFabrication of TiO2 Binary Inverse Opals without Overlayers via the Sandwich-Vacuum Infiltration of Precursoren_US
dc.typeJournal articleen_US
dc.type.descriptionC1 - Peer Reviewed (HERDC)en_US
dc.type.codeC - Journal Articlesen_US
gro.rights.copyrightSelf-archiving of the author-manuscript version is not yet supported by this journal. Please refer to the journal link for access to the definitive, published version or contact the authors for more information.en_US
gro.date.issued2015-06-12T05:01:56Z
gro.hasfulltextNo Full Text


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