Please use this identifier to cite or link to this item: https://hdl.handle.net/2440/120180
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dc.contributor.authorAndelkovic, I.B.-
dc.contributor.authorKabiri, S.-
dc.contributor.authorDa Silva, R.-
dc.contributor.authorTavakkoli, E.-
dc.contributor.authorKirby, J.K.-
dc.contributor.authorLosic, D.-
dc.contributor.authorMclaughlin, M.J.-
dc.date.issued2019-
dc.identifier.citationNew Journal of Chemistry: a journal for new directions in chemistry, 2019; 43(22):8580-8589-
dc.identifier.issn1144-0546-
dc.identifier.issn1369-9261-
dc.identifier.urihttp://hdl.handle.net/2440/120180-
dc.description.abstractCurrent commercially available phosphorus (P) fertilisers, which are highly soluble salts, are susceptible to surface runoff to waterways, and leaching to groundwaters where soils are light/medium textured. Here, we report the synthesis of a graphene oxide (GO)/iron (GO–Fe) composite, a promising carrier for loading P. The GO–Fe carriers loaded with P acted as slow release fertilisers with tunable loading/release properties. The amount of P loaded onto the GO–Fe composite was 15%, similar to commercial products. Investigation of the morphology and spectroscopic and chemical analysis revealed a complex loading mechanism of Fe onto GO. Iron, as an active center for P sorption, could interact with the oxygen functional groups at the edge of GO sheets as well as the π-electron system of the aromatic part of GO. Column perfusion studies, visualisation of P diffusion in soils and chemical analysis of soils after diffusion showed the composites to have slow-release properties. Pot experiments using wheat and our composites resulted in the same yield as using highly soluble commercial fertiliser.-
dc.description.statementofresponsibilityIvan B. Andelkovic, Shervin Kabiri, Rodrigo C. da Silva, Ehsan Tavakkoli, Jason K. Kirby, Dusan Losic and Michael J. McLaughlin-
dc.language.isoen-
dc.publisherRoyal Society of Chemistry-
dc.rightsThis journal is © The Royal Society of Chemistry and the Centre National de la Recherche Scientifique 2019-
dc.source.urihttp://dx.doi.org/10.1039/c9nj01641d-
dc.titleOptimisation of phosphate loading on graphene oxide-Fe(iii) composites-possibilities for engineering slow release fertilisers-
dc.typeJournal article-
dc.identifier.doi10.1039/c9nj01641d-
dc.relation.granthttp://purl.org/au-research/grants/arc/DP150101760-
dc.relation.granthttp://purl.org/au-research/grants/arc/IH150100003-
pubs.publication-statusPublished-
dc.identifier.orcidAndelkovic, I.B. [0000-0002-4570-0540]-
dc.identifier.orcidKabiri, S. [0000-0002-2269-6075]-
dc.identifier.orcidDa Silva, R. [0000-0002-2345-3729]-
dc.identifier.orcidTavakkoli, E. [0000-0002-2676-6018]-
dc.identifier.orcidLosic, D. [0000-0002-1930-072X]-
dc.identifier.orcidMclaughlin, M.J. [0000-0001-6796-4144]-
Appears in Collections:ARC Research Hub for Graphene Enabled Industry Transformation publications
Aurora harvest 8
Chemical Engineering publications

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