Hydrogenated silicon nanoclusters with a permanent electric dipole moment for the controlled assembly of silicon-based nanostructures

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dc.check.date2022-11-16
dc.check.infoAccess to this article is restricted until 12 months after publication by request of the publisher.en
dc.contributor.authorJardali, Fatme
dc.contributor.authorKeary, Bryan P.
dc.contributor.authorPerrotin, Tatiana
dc.contributor.authorSilva, François
dc.contributor.authorVanel, Jean-Charles
dc.contributor.authorBonnassieux, Yvan
dc.contributor.authorMazouffre, Stéphane
dc.contributor.authorRuth, Albert A.
dc.contributor.authorLeulmi, Mohamed E.
dc.contributor.authorVach, Holger
dc.contributor.funderCentre National de la Recherche Scientifiqueen
dc.contributor.funderHariri Foundation for Sustainable Human Development, Lebanonen
dc.date.accessioned2021-11-25T12:39:03Z
dc.date.available2021-11-25T12:39:03Z
dc.date.issued2021-11-16
dc.date.updated2021-11-25T12:22:03Z
dc.description.abstractWhile silicon nanoclusters have extensively been used for their outstanding properties for many decades, never before has their dipole moment been exploited for any application. Here, we have succeeded in producing hydrogenated silicon nanoclusters with a strong permanent electric dipole moment. This dipole moment allows us to use electric fields in order to orient and guide individual clusters. As a first example, we demonstrate the catalyst-free one-by-one self-assembly of one of the thinnest silicon nanowires yet observed. As a second example, we show that the simple presence of those nanoclusters on LaB6 cathodes leads to a 30-fold enhancement of the thermionic electron current density over pristine LaB6. Last but not least, the nanoclusters provide a protective layer against chemical and mechanical attack and largely prevent the evaporation of substrate materials, potentially increasing the operational lifetime of cathodes substantially.en
dc.description.sponsorshipCentre National de la Recherche Scientifique (Innovation Prematuration 2020 program); Hariri Foundation for Sustainable Human Development (Scholarship)en
dc.description.statusPeer revieweden
dc.description.versionAccepted Versionen
dc.format.mimetypeapplication/pdfen
dc.identifier.citationJardali, F., Keary, B. P., Perrotin, T., Silva, F., Vanel, J.-C., Bonnassieux, Y., Mazouffre, S., Ruth, A. A., Leulmi, M. E. and Vach, H. (2021) 'Hydrogenated silicon nanoclusters with a permanent electric dipole moment for the controlled assembly of silicon-based nanostructures', ACS Applied Nano Materials. doi: 10.1021/acsanm.1c02754en
dc.identifier.doi10.1021/acsanm.1c02754en
dc.identifier.eissn2574-0970
dc.identifier.journaltitleACS Applied Nano Materialsen
dc.identifier.urihttps://hdl.handle.net/10468/12268
dc.language.isoenen
dc.publisherACS Publicationsen
dc.rights© 2021, Association for Computing Machinery. This is the author's version of the work. It is posted here for your personal use. Not for redistribution. The definitive Version of Record was published in ACS Applied Nano Materials: https://doi.org/10.1021/acsanm.1c02754en
dc.subjectHydrogenated silicon nanoclustersen
dc.subjectThin silicon filmsen
dc.subjectPermanent electric dipole momenten
dc.subjectSelf-assembled nanostructuresen
dc.subjectEnhanced thermionic emissionen
dc.titleHydrogenated silicon nanoclusters with a permanent electric dipole moment for the controlled assembly of silicon-based nanostructuresen
dc.typeArticle (peer-reviewed)en
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