Size effects of graphene nanoplatelets on the properties of high-density polyethylene nanocomposites: Morphological, thermal, electrical, and mechanical characterization

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dc.authorscopusid57039098500
dc.authorscopusid23981271100
dc.authorscopusid57190302218
dc.authorscopusid57216965191
dc.authorscopusid8726944500
dc.authorscopusid14016301600
dc.authorscopusid7003612598
dc.contributor.authorEvgin T.
dc.contributor.authorTurgut A.
dc.contributor.authorHamaoui G.
dc.contributor.authorSpitalsky Z.
dc.contributor.authorHorny N.
dc.contributor.authorMicusik M.
dc.contributor.authorChirtoc M.
dc.date.accessioned2023-01-12T20:26:13Z
dc.date.available2023-01-12T20:26:13Z
dc.date.issued2020
dc.departmentN/A/Departmenten_US
dc.description.abstractHigh-density polyethylene (HDPE)-based nanocomposites incorporating three different types of graphene nanoplatelets (GnPs) were fabricated to investigate the size effects of GnPs in terms of both lateral size and thickness on the morphological, thermal, electrical, and mechanical properties. The results show that the inclusion of GnPs enhance the thermal, electrical, and mechanical properties of HDPE-based nanocomposites regardless of GnP size. Nevertheless, the most significant enhancement of the thermal and electrical conductivities and the lowest electrical percolation threshold were achieved with GnPs of a larger lateral size. This could have been attributed to the fact that the GnPs of larger lateral size exhibited a better dispersion in HDPE and formed conductive pathways easily observable in scanning electron microscope (SEM) images. Our results show that the lateral size of GnPs was a more regulating factor for the above-mentioned nanocomposite properties compared to their thickness. For a given lateral size, thinner GnPs showed significantly higher electrical conductivity and a lower percolation threshold than thicker ones. On the other hand, in terms of thermal conductivity, a remarkable amount of enhancement was observed only above a certain filler concentration. The results demonstrate that GnPs with smaller lateral size and larger thickness lead to lower enhancement of the samples' mechanical properties due to poorer dispersion compared to the others. In addition, the size of the GnPs had no considerable effect on the melting and crystallization properties of the HDPE/GnP nanocomposites. © 2020 Evgin et al.en_US
dc.description.sponsorship2/0010/18, 2/0093/16en_US
dc.description.sponsorshipThis work was partially supported by the Science Grant Agency VEGA, project no. 2/0010/18, and 2/0093/16 (Slovakia).en_US
dc.identifier.doi10.3762/bjnano.14
dc.identifier.issn21904286
dc.identifier.issn2190-4286en_US
dc.identifier.scopus2-s2.0-85082592480en_US
dc.identifier.scopusqualityQ2en_US
dc.identifier.urihttps://doi.org/10.3762/bjnano.14
dc.identifier.urihttps://hdl.handle.net/11454/79936
dc.identifier.volume11en_US
dc.indekslendigikaynakScopusen_US
dc.language.isoenen_US
dc.publisherBeilstein-Institut Zur Forderung der Chemischen Wissenschaftenen_US
dc.relation.ispartofBeilstein Journal of Nanotechnologyen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.subjectElectrical propertiesen_US
dc.subjectGraphene nanoplateletsen_US
dc.subjectMechanical propertiesen_US
dc.subjectPolymer matrix composites (PMCs)en_US
dc.subjectThermal propertiesen_US
dc.subjectAliphatic compoundsen_US
dc.subjectDensity (specific gravity)en_US
dc.subjectDispersionsen_US
dc.subjectElectric conductivityen_US
dc.subjectElectric propertiesen_US
dc.subjectGrapheneen_US
dc.subjectGraphene Nanoplateletsen_US
dc.subjectHigh density polyethylenesen_US
dc.subjectMechanical propertiesen_US
dc.subjectNanocompositesen_US
dc.subjectPercolation (computer storage)en_US
dc.subjectPercolation (fluids)en_US
dc.subjectScanning electron microscopyen_US
dc.subjectSolventsen_US
dc.subjectThermal conductivityen_US
dc.subjectThermodynamic propertiesen_US
dc.subjectElectrical conductivityen_US
dc.subjectElectrical percolation thresholden_US
dc.subjectHigh density polyethylene(HDPE)en_US
dc.subjectMechanical characterizationsen_US
dc.subjectMelting and crystallizationen_US
dc.subjectPercolation thresholdsen_US
dc.subjectPolymer Matrix Composites (PMCs)en_US
dc.subjectThermal and electrical conductivityen_US
dc.subjectPolymer matrix compositesen_US
dc.titleSize effects of graphene nanoplatelets on the properties of high-density polyethylene nanocomposites: Morphological, thermal, electrical, and mechanical characterizationen_US
dc.typeArticleen_US

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