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dc.contributor.authorAbdellatif, Hassan R.S.
dc.contributor.authorZhang, Guan
dc.contributor.authorWang, Xiaotian
dc.contributor.authorXie, Deti
dc.contributor.authorIrvine, John T. S.
dc.contributor.authorNi, Jiupai
dc.contributor.authorNi, Chengsheng
dc.identifier.citationAbdellatif , H R S , Zhang , G , Wang , X , Xie , D , Irvine , J T S , Ni , J & Ni , C 2019 , ' Boosting photocatalytic oxidation on graphitic carbon nitride for efficient photocatalysis by heterojunction with graphitic carbon units ' , Chemical Engineering Journal , vol. 370 , pp. 875-884 .
dc.identifier.otherRIS: urn:B61B30DC40A1ED08B91FC74BF6AA46C4
dc.identifier.otherORCID: /0000-0002-8394-3359/work/68280574
dc.descriptionThe authors would like to acknowledge the support from the National Natural Science Foundation of China (NSFC, 51702264, 41371275, 51708153), National Key Research and Development Program of China (grant No. 2018FYD0200701), the Fundamental Research Funds for the central universities (XDJK2017B033, XDJK2019D042) and Research Funding of Southwest University (SWU117019). H.R.S.A. also thanks the funding from China Scholarship Concil (CSC) for the studentship under the grant No. 2017GBJ001793.en
dc.description.abstractGraphitic carbon nitride has been considered as a promising metal-free visible light photocatalyst for air pollutants oxidation due to its suitable band-gap energy and higher conduction band edge. Herein, we have developed a facile approach for dramatically downwards shifting band edge positions of carbon nitride up by about 1 eV via in-plane heterojunction with graphitic carbon units to enhance the oxidation capability of the electron holes generated from the valence band. The graphitic carbon units in junction with tri-s-triazine domains were clearly observed and its in-plane hybridization with carbon nitride was formed during the copolymerization using melamine with a small amount of m-phenylenediamine as the precursors. The direct intralayer junction between the tri-s-triazine and the graphitic carbon domain, essentially different with interlayer junction reported in literature, is able to shift downwards the band edge positions via merging electron density of states of carbon nitride with that of graphitic carbon, and thus would be beneficial for separation of photoexcited charge carriers and generation of hydroxyl radicals for the oxidation of pollutants. The hybrid photocatalyst prepared with a small quantity (less than 1%) of m-phenylenediamine and melamine as precursors has shown much enhanced NO oxidation to final products (NO2− and NO3−) and increased NO removal 10% than the one from melamine only.
dc.relation.ispartofChemical Engineering Journalen
dc.subjectCarbon nitrideen
dc.subjectAdvanced oxidation processen
dc.subjectBand energyen
dc.subjectNitrogen monoxideen
dc.subjectAir pollutionen
dc.subjectQD Chemistryen
dc.titleBoosting photocatalytic oxidation on graphitic carbon nitride for efficient photocatalysis by heterojunction with graphitic carbon unitsen
dc.typeJournal articleen
dc.contributor.institutionUniversity of St Andrews. Centre for Designer Quantum Materialsen
dc.contributor.institutionUniversity of St Andrews. School of Chemistryen
dc.contributor.institutionUniversity of St Andrews. EaSTCHEMen
dc.description.statusPeer revieweden

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