Bismuth oxyhalide quantum dots modified sodium titanate necklaces with exceptional population of oxygen vacancies and photocatalytic activity

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dc.contributor.authorShi, Quanquanko
dc.contributor.authorRaza, Aliko
dc.contributor.authorXu, Liangliangko
dc.contributor.authorLi, Gaoko
dc.date.accessioned2022-08-25T07:00:08Z-
dc.date.available2022-08-25T07:00:08Z-
dc.date.created2022-08-25-
dc.date.created2022-08-25-
dc.date.issued2022-11-
dc.identifier.citationJOURNAL OF COLLOID AND INTERFACE SCIENCE, v.625, pp.750 - 760-
dc.identifier.issn0021-9797-
dc.identifier.urihttp://hdl.handle.net/10203/298089-
dc.description.abstractWe here demonstrate the controlled synthesis of BiOBr quantum dots (QDs) decorated Na2Ti3O7 necklaces via a hydrothermal transformation of sodium titanate nanotubes. The BiOBr QDs are deposited on the surface of Na2Ti3O7 necklaces, forming a heterogeneous interface of BiOBr(2 0 0) and Na2Ti3O7(1 1 0), which promotes the separation efficiency of photogenerated charges, thus resulting in its superior catalytic performance in the photo-oxidation of benzyl alcohol. The BiOBr/Na2Ti3O7-1.0 exhibiting highest oxygen defect population gives best photocatalytic activity with a promising conversion rate of 3.32 mmol(reacted) BA g(catal.)(-1)h(-1), which is substantially higher than the corresponding reported photocatalysts. DFT results corroborate the superior performance of BiOBr/Na2Ti3O7 is mainly due to the formation of a built-in electric field and given efficiently the charge transfer between BiOBr(2 0 0) and Na2Ti3O7(1 1 0). In all, this study reports a simple in-situ hydrothermal growth protocol to efficiently construct BiOBr/Na2Ti3O7 heterojunction composites and offers guidelines for design of a new synthetic strategy to prepare efficient photocatalysts. (C) 2022 Elsevier Inc. All rights reserved.-
dc.languageEnglish-
dc.publisherACADEMIC PRESS INC ELSEVIER SCIENCE-
dc.titleBismuth oxyhalide quantum dots modified sodium titanate necklaces with exceptional population of oxygen vacancies and photocatalytic activity-
dc.typeArticle-
dc.identifier.wosid000833529500004-
dc.identifier.scopusid2-s2.0-85132889011-
dc.type.rimsART-
dc.citation.volume625-
dc.citation.beginningpage750-
dc.citation.endingpage760-
dc.citation.publicationnameJOURNAL OF COLLOID AND INTERFACE SCIENCE-
dc.identifier.doi10.1016/j.jcis.2022.06.066-
dc.contributor.localauthorXu, Liangliang-
dc.contributor.nonIdAuthorShi, Quanquan-
dc.contributor.nonIdAuthorRaza, Ali-
dc.contributor.nonIdAuthorLi, Gao-
dc.description.isOpenAccessN-
dc.type.journalArticleArticle-
dc.subject.keywordAuthorQuantum dots-
dc.subject.keywordAuthorBiOBr-
dc.subject.keywordAuthorNa2Ti3O7-
dc.subject.keywordAuthorPhoto-oxidation-
dc.subject.keywordAuthorOxygen vacancies-
dc.subject.keywordPlusBENZYL ALCOHOL OXIDATION-
dc.subject.keywordPlusSELECTIVE OXIDATION-
dc.subject.keywordPlusEFFICIENT PHOTOCATALYST-
dc.subject.keywordPlusVISIBLE-LIGHT-
dc.subject.keywordPlusBIOX X-
dc.subject.keywordPlusBENZALDEHYDE-
dc.subject.keywordPlusENHANCEMENT-
dc.subject.keywordPlusCONVERSION-
dc.subject.keywordPlusNANOSHEETS-
dc.subject.keywordPlusNANORODS-
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