Size controlled synthesis of silicon nanocrystals within inverse micelles

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dc.contributor.authorLinehan, Keith
dc.contributor.authorDoyle, Hugh
dc.contributor.funderHigher Education Authorityen
dc.contributor.funderEuropean Commission
dc.date.accessioned2016-05-09T09:46:52Z
dc.date.available2016-05-09T09:46:52Z
dc.date.issued2013-03
dc.date.updated2016-05-09T09:04:33Z
dc.description.abstractAlkyl-terminated Si nanocrystals (NCs) are synthesized at room temperature by hydride reduction of SiCl4 within inverse micelles. Highly monodisperse Si NCs (2 – 6 nm) are produced by variation of the cationic quaternary ammonium salts used to form the inverse micelles. Transmission electron microscopy imaging confirms the NCs are highly crystalline, while FTIR spectra confirm that the NCs are passivated by covalent attachment of alkanes, with minimal surface oxidation. The photoluminescence intensity of the Si NCs exhibits an inverse relationship with the mean NC diameter, with a quantum yield of 12 % recorded for 2 nm NCs.en
dc.description.sponsorshipEuropean Commission (FP7 Projects: SNAPSUN, grant agreement no. 246310; CommonSense, grant agreement no. 261809); Higher Education Authority (PRTLI programs Cycle 3 “Nanoscience” and Cycle 4 “INSPIRE”)en
dc.description.statusPeer revieweden
dc.description.urihttp://www.mrs.org/spring2013/en
dc.description.versionAccepted Versionen
dc.format.mimetypeapplication/pdfen
dc.identifier.citationLinehan, K., Doyle, H. (2013) "Size controlled synthesis of silicon nanocrystals within inverse micelles", MRS Online Proceedings Library Archive, 1546, mrss13-1546-l06-48. doi:10.1557/opl.2013.621en
dc.identifier.doi10.1557/opl.2013.621
dc.identifier.journaltitleMRS Online Proceedings Library Archiveen
dc.identifier.urihttps://hdl.handle.net/10468/2517
dc.identifier.volume1546en
dc.language.isoenen
dc.publisherCambridge University Pressen
dc.relation.urihttp://journals.cambridge.org/article_S1946427413006210
dc.rights© 2013, Materials Research Society.en
dc.subjectSien
dc.subjectNanostructureen
dc.subjectChemical synthesisen
dc.titleSize controlled synthesis of silicon nanocrystals within inverse micellesen
dc.typeArticle (peer-reviewed)en
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