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Supercritical CO2-assisted deposition of NiO on (101)-anatase-TiO2 for efficient facet engineered photocatalysts

hal.structure.identifierFachbereich Material­ und Geowissenschaften
hal.structure.identifierInstitut des Sciences Moléculaires [ISM]
dc.contributor.authorKASHIWAYA, Shun
hal.structure.identifierInstitut de Chimie de la Matière Condensée de Bordeaux [ICMCB]
dc.contributor.authorAYMONIER, Cyril
hal.structure.identifierInstitut de Chimie de la Matière Condensée de Bordeaux [ICMCB]
dc.contributor.authorMAJIMEL, Jérôme
hal.structure.identifierInstitut des Sciences Moléculaires [ISM]
dc.contributor.authorOLIVIER, Céline
hal.structure.identifierFachbereich Material­ und Geowissenschaften
dc.contributor.authorJAEGERMANN, Wolfram
hal.structure.identifierInstitut des Sciences Moléculaires [ISM]
dc.contributor.authorTOUPANCE, Thierry
hal.structure.identifierFachbereich Material­ und Geowissenschaften
dc.contributor.authorKLEIN, Andreas
dc.date.issued2018-11-19
dc.identifier.issn1144-0546
dc.description.abstractEnNiO/(101)-anatase-TiO2 heterostructure nanoparticles were synthesized by depositing NiO onto the (101) facet of anatase crystals via the supercritical fluid chemical deposition (SFCD) route. Thorough characterization experiments performed by various techniques (XRD, UV-Vis DRS, N2 sorption, HR-TEM, EDX, and XPS) indicate that the SFCD method allowed a good dispersion of NiO onto the TiO2 nanoparticles for NiO amounts below 2 wt%. Compared to pure TiO2, the 0.1–1 wt% NiO–TiO2 nanocomposites showed enhanced photocatalytic properties for methylene blue (MB) and methyl orange (MO) decomposition under UV light irradiation, the 0.25 wt% NiO–TiO2 system leading to the highest efficiencies. The photocatalytic properties were then rationalized in terms of the acidic properties and electronic structures of the NiO–TiO2 nanocomposites. This higher photocatalytic activity was mainly related to the heterocontact at the interface of the NiO–TiO2 crystallites and to the enhanced reaction rates at the NiOx surface.
dc.language.isoen
dc.publisherRoyal Society of Chemistry
dc.title.enSupercritical CO2-assisted deposition of NiO on (101)-anatase-TiO2 for efficient facet engineered photocatalysts
dc.typeArticle de revue
dc.identifier.doi10.1039/C8NJ04292F
dc.subject.halChimie/Matériaux
bordeaux.journalNew Journal of Chemistry
bordeaux.page18649-18658
bordeaux.volume42
bordeaux.issue23
bordeaux.peerReviewedoui
hal.identifierhal-01935576
hal.version1
hal.popularnon
hal.audienceInternationale
hal.origin.linkhttps://hal.archives-ouvertes.fr//hal-01935576v1
bordeaux.COinSctx_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:journal&rft.jtitle=New%20Journal%20of%20Chemistry&rft.date=2018-11-19&rft.volume=42&rft.issue=23&rft.spage=18649-18658&rft.epage=18649-18658&rft.eissn=1144-0546&rft.issn=1144-0546&rft.au=KASHIWAYA,%20Shun&AYMONIER,%20Cyril&MAJIMEL,%20J%C3%A9r%C3%B4me&OLIVIER,%20C%C3%A9line&JAEGERMANN,%20Wolfram&rft.genre=article


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