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Πεδίο DCΤιμήΓλώσσα
dc.contributor.authorVelegraki, Georgia-
dc.contributor.authorVamvasakis, Ioannis-
dc.contributor.authorPapadas, Ioannis T.-
dc.contributor.authorTsatsos, Sotiris-
dc.contributor.authorPournara, Anastasia-
dc.contributor.authorManos, Manolis J.-
dc.contributor.authorChoulis, Stelios A.-
dc.contributor.authorKennou, Stella-
dc.contributor.authorKopidakis, Georgios-
dc.contributor.authorArmatas, Gerasimos S.-
dc.date.accessioned2019-05-15T17:10:24Z-
dc.date.available2019-05-15T17:10:24Z-
dc.date.issued2019-03-01-
dc.identifier.citationInorganic Chemistry Frontiers, 2019, vol. 6, no. 3, pp. 765-774en_US
dc.identifier.issn20521553-
dc.description.abstractThe rational design of semiconductor nanostructures is of utmost importance for efficient solar energy conversion and environmental remediation. In this article, we report high-surface-area mesoporous networks consisting of Ni-implanted cubic CoO (Co 1-x Ni x O) nanoparticles as promising catalysts for the detoxification of aqueous Cr(vi) solutions. Mechanistic studies with X-ray photoelectron, UV-vis optical absorption, fluorescence and electrochemical impedance spectroscopy and theoretical (DFT) calculations indicate that the performance enhancement of these catalysts arises from the high charge transfer kinetics and oxidation efficiency of surface-reaching holes. By tuning the chemical composition, the Co 1-x Ni x O mesoporous catalyst at 2 atomic% Ni content imparts outstanding photocatalytic Cr(vi) reduction and water oxidation activity, corresponding to an apparent quantum yield (QY) of 1.5% at λ = 375 nm irradiation light.en_US
dc.formatpdfen_US
dc.language.isoenen_US
dc.relation.ispartofInorganic Chemistry Frontiersen_US
dc.rights© Royal Society of Chemistryen_US
dc.subjectChemical compositionsen_US
dc.subjectEnvironmental remediationen_US
dc.subjectUV-vis optical absorptionen_US
dc.subjectPhotochemical activityen_US
dc.subjectHigh surface area mesoporousen_US
dc.titleBoosting photochemical activity by Ni doping of mesoporous CoO nanoparticle assembliesen_US
dc.typeArticleen_US
dc.collaborationUniversity of Creteen_US
dc.collaborationUniversity of Patrasen_US
dc.collaborationUniversity of Ioanninaen_US
dc.collaborationCyprus University of Technologyen_US
dc.subject.categoryChemical Sciencesen_US
dc.journalsOpen Accessen_US
dc.countryCyprusen_US
dc.countryGreeceen_US
dc.subject.fieldNatural Sciencesen_US
dc.publicationPeer Revieweden_US
dc.identifier.doi10.1039/c8qi01324aen_US
dc.relation.issue3en_US
dc.relation.volume6en_US
cut.common.academicyear2018-2019en_US
dc.identifier.spage765en_US
dc.identifier.epage774en_US
item.fulltextWith Fulltext-
item.languageiso639-1en-
item.grantfulltextopen-
item.openairecristypehttp://purl.org/coar/resource_type/c_6501-
item.cerifentitytypePublications-
item.openairetypearticle-
crisitem.journal.journalissn2052-1553-
crisitem.journal.publisherRoyal Society of Chemistry-
crisitem.author.deptDepartment of Mechanical Engineering and Materials Science and Engineering-
crisitem.author.facultyFaculty of Engineering and Technology-
crisitem.author.orcid0000-0002-7899-6296-
crisitem.author.parentorgFaculty of Engineering and Technology-
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