Size-tuneable synthesis of nickel nanoparticles

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dc.contributor.author Donegan, Keith P.
dc.contributor.author Godsell, Jeffrey F.
dc.contributor.author Otway, David J.
dc.contributor.author Morris, Michael A.
dc.contributor.author Roy, Saibal
dc.contributor.author Holmes, Justin D.
dc.date.accessioned 2018-09-07T14:38:06Z
dc.date.available 2018-09-07T14:38:06Z
dc.date.issued 2012-01-11
dc.identifier.citation Donegan, K. P., Godsell, J. F., Otway, D. J., Morris, M. A., Roy, S. and Holmes, J. D. (2012) 'Size-tuneable synthesis of nickel nanoparticles', Journal of Nanoparticle Research, 14(1), 670 (10 pp). doi: 10.1007/s11051-011-0670-y en
dc.identifier.volume 14 en
dc.identifier.startpage 670-1 en
dc.identifier.endpage 670-10 en
dc.identifier.issn 1572-896X
dc.identifier.uri http://hdl.handle.net/10468/6740
dc.identifier.doi 10.1007/s11051-011-0670-y
dc.description.abstract A facile method is described for synthesising nickel nanoparticles via the thermal decomposition of an organometallic precursor in the presence of excess n-trioctylphosphine as a capping ligand. For the first time, alkylamines with different chain lengths were employed as size-limiting agents in this synthesis. A direct correlation is demonstrated between the size of the alkylamine ligands used and the mean diameter of the nickel nanoparticles obtained. The use of bulky oleylamine as a size-limiting agent over a reaction period of 30 min led to the growth of nickel nanoparticles with a mean diameter of 2.8 ± 0.9 nm. The employment of less bulky N,N-dimethylhexadecylamine groups led to the growth of nickel nanoparticles with a mean diameter of 4.4 ± 0.9 nm. By increasing the reaction time from 30 to 240 min, while employing oleylamine as the size-limiting agent, the mean diameter of the nickel nanoparticles was increased from 2.8 ± 0.9 to 5.1 ± 0.7 nm. Decreasing the amount of capping ligand present in the reaction system allowed further growth of the nickel nanoparticles to 17.8 ± 1.3 nm. The size, structure and morphology of the nanoparticles synthesised were characterised by transmission electron microscopy and powder X-ray diffraction; while magnetic measurements indicated that the particles were superparamagnetic in nature. en
dc.description.sponsorship Higher Education Authority (HEA Program for Research in Third Level Institutions (2007–2011) via the INSPIRE programme) en
dc.format.mimetype application/pdf en
dc.language.iso en en
dc.publisher Springer Verlag en
dc.relation.uri https://link.springer.com/article/10.1007/s11051-011-0670-y
dc.rights © Springer Science+Business Media B.V. 2012. This is a post-peer-review, pre-copyedit version of an article published in Journal of Nanoparticle Research. The final authenticated version is available online at: http://dx.doi.org/10.1007/s11051-011-0670-y en
dc.subject Nickel en
dc.subject Nanoparticles en
dc.subject Decomposition en
dc.subject Alkylamine en
dc.subject Diameter control en
dc.subject Superparamagnetic en
dc.title Size-tuneable synthesis of nickel nanoparticles en
dc.type Article (peer-reviewed) en
dc.internal.authorcontactother Justin D. Holmes, Chemistry, University College Cork, Cork, Ireland. +353-21-490-3000 Email: j.holmes@ucc.ie en
dc.internal.availability Full text available en
dc.date.updated 2018-08-06T14:34:55Z
dc.description.version Accepted Version en
dc.internal.rssid 126936769
dc.contributor.funder Science Foundation Ireland en
dc.contributor.funder Higher Education Authority en
dc.description.status Peer reviewed en
dc.identifier.journaltitle Journal of Nanoparticle Research en
dc.internal.copyrightchecked No !!CORA!! en
dc.internal.licenseacceptance Yes en
dc.internal.IRISemailaddress j.holmes@ucc.ie en
dc.relation.project info:eu-repo/grantAgreement/SFI/SFI Principal Investigator Programme (PI)/06/IN.1/I98/IE/Development of novel nano-composite high-frequency magnetic materials for future microprocessor power delivery/ en


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