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<identifier>oai:HAL:hal-01683215v1</identifier>
<datestamp>2018-01-16</datestamp>
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<title lang=en>Graphene oxide with zinc partially substituted magnetite (GO–Fe 1−x Zn x O y ) for the UV-assisted heterogeneous Fenton-like reaction</title>
<creator>Zubir, Nor Aida</creator>
<creator>Motuzas, Julius</creator>
<creator>Yacou, Christelle</creator>
<creator>Zhang, Xiwang</creator>
<creator>Diniz da Costa, João C.</creator>
<contributor>University of Queensland [Brisbane]</contributor>
<contributor>Institut Européen des membranes (IEM) ; Centre National de la Recherche Scientifique (CNRS) - Ecole Nationale Supérieure de Chimie de Montpellier (ENSCM) - Université Montpellier 2 - Sciences et Techniques (UM2) - Université de Montpellier (UM)</contributor>
<contributor>Chimie des Matériaux - Connaissance et Valorisation (COVACHIMM) ; Université des Antilles et de la Guyane (UAG)</contributor>
<contributor>The University of Queensland, FIM2Lab – Functional Interfacial Materials and Membrane Laboratory, School of Chemical Engineering, Brisbane, QLD 4067, Australia (FIM2Lab) ; University of Queensland [Brisbane]</contributor>
<description>International audience</description>
<source>ISSN: 2046-2069</source>
<source>RSC Advances</source>
<publisher>Royal Society of Chemistry</publisher>
<identifier>hal-01683215</identifier>
<identifier>https://hal.univ-antilles.fr/hal-01683215</identifier>
<source>https://hal.univ-antilles.fr/hal-01683215</source>
<source>RSC Advances, Royal Society of Chemistry, 2016, 6 (50), pp.44749 - 44757. 〈10.1039/c6ra04068c〉</source>
<identifier>DOI : 10.1039/c6ra04068c</identifier>
<relation>info:eu-repo/semantics/altIdentifier/doi/10.1039/c6ra04068c</relation>
<language>en</language>
<subject>[CHIM.MATE] Chemical Sciences/Material chemistry</subject>
<subject>[SDE.IE] Environmental Sciences/Environmental Engineering</subject>
<type>info:eu-repo/semantics/article</type>
<type>Journal articles</type>
<description lang=en>A series of graphene oxide (GO) and zinc partially substituted magnetite GO-Fe1-xZnxOy (0 ≤ x ≤ 0.285) catalysts were synthesised through a precipitation-oxidation method. The rate constants for the degradation of acid orange seven (AO7) proceeded at a significant faster rate under UV-irradiation (up to 670%) than the conventional heterogeneous Fenton-like reaction. The resultant catalysts were mesoporous, so there was no mass transfer limitation for AO7 to access active sites in the catalysts. Further, maximum increases of rate constant up to 220% occurred as the zinc molar concentration increased from x = 0 to x = 0.159. GO enhanced to incorporation of zinc into the combined metal oxide, whilst zinc limited crystal growth, thus forming smaller crystallite sizes. These features proved to be essential for the improved catalytic activity of the resultant catalysts. The optimised zinc molar value at x = 0.159 delivered the best catalytic activity. © The Royal Society of Chemistry 2016.</description>
<date>2016</date>
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