Study of iron oxide nanoparticle phases in graphene aerogels for oxygen reduction reaction

dc.contributor.authorKarunagaran, R.
dc.contributor.authorCoghlan, C.
dc.contributor.authorTung, T.
dc.contributor.authorKabiri, S.
dc.contributor.authorTran, D.
dc.contributor.authorDoonan, C.
dc.contributor.authorLosic, D.
dc.date.issued2017
dc.description.abstractIron oxide nanoparticles have been extensively used for energy production in fuel cells; however, the different phases of iron oxide have not been adequately investigated for their effect on the oxygen reduction reaction (ORR). The low temperature synthesis of four kinds of iron oxide nanoparticles with different phases was incorporated inside 3D reduced graphene oxide (rGO) aerogels and their electrochemical, catalytic and electron transfer properties were determined for ORR. The results showed that, at low potentials (0.20 V), rGO composites containing magnetite, maghemite and goethite catalyse ORR via four-electron transfer kinetics while hematite facilitated two-electron transfer kinetics. At higher potentials (0.70 V), all four catalysts proceeded via a two-electron pathway.
dc.description.statementofresponsibilityRamesh Karunagaran, Campbell Coghlan, Tran Thanh Tung, Shervin Kabiri, Diana N. H. Tran, Christian J. Doonan and Dusan Losic
dc.identifier.citationNew Journal of Chemistry: a journal for new directions in chemistry, 2017; 41(24):15180-15186
dc.identifier.doi10.1039/c7nj02979a
dc.identifier.issn1144-0546
dc.identifier.issn1369-9261
dc.identifier.orcidKarunagaran, R. [0000-0001-7939-4775]
dc.identifier.orcidCoghlan, C. [0000-0003-1625-3216]
dc.identifier.orcidTung, T. [0000-0002-1535-5109]
dc.identifier.orcidKabiri, S. [0000-0002-2269-6075]
dc.identifier.orcidTran, D. [0000-0002-4023-3373]
dc.identifier.orcidLosic, D. [0000-0002-1930-072X]
dc.identifier.urihttp://hdl.handle.net/2440/111057
dc.language.isoen
dc.publisherRoyal Society of Chemistry
dc.relation.granthttp://purl.org/au-research/grants/arc/IH150100003
dc.rightsThis journal is © The Royal Society of Chemistry and the Centre National de la Recherche Scientifique 2017
dc.source.urihttps://doi.org/10.1039/c7nj02979a
dc.titleStudy of iron oxide nanoparticle phases in graphene aerogels for oxygen reduction reaction
dc.typeJournal article
pubs.publication-statusPublished

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