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dc.contributor.authorAghelinejad, Mohammadmehdi
dc.contributor.authorLeung, Siu Ning
dc.date.accessioned2020-03-11T16:25:40Z
dc.date.available2020-03-11T16:25:40Z
dc.date.issued2018-09-18
dc.identifier.citationMaterials 11.9 (2018): 1757.en_US
dc.identifier.urihttps://doi.org/10.3390/ma11091757en_US
dc.identifier.urihttps://yorkspace.library.yorku.ca/xmlui/handle/10315/37095
dc.description.abstractA facile processing strategy to fabricate thermoelectric (TE) polymer nanocomposite foams with non-conducting polymers is reported in this study. Multilayered networks of graphene nanoplatelets (GnPs) and multi-walled carbon nanotubes (MWCNTs) are deposited on macroporous polyvinylidene fluoride (PVDF) foam templates using a layer-by-layer (LBL) assembly technique. The open cellular structures of foam templates provide a platform to form segregated 3D networks consisting of one-dimensional (1D) and/or two-dimensional (2D) carbon nanoparticles. Hybrid nanostructures of GnP and MWCNT networks synergistically enhance the material system’s electrical conductivity. Furthermore, the polymer foam substrates possess high porosity to provide ultra-low thermal conductivity without compromising the electrical conductivity of the TE nanocomposites. With an extremely low GnP loading (i.e., ~1.5 vol.%), the macroporous PVDF nanocomposites exhibit a thermoelectric figure-of-merit of ~10−3. To the best of our knowledge, this ZT value is the highest value reported for organic TE materials using non-conducting polymers and MWCNT/GnP nanofillers. The proposed technique represents an industrially viable approach to fabricate organic TE materials with enhanced energy conversion efficiencies. The current study demonstrates the potential to develop light-weight, low-cost, and flexible TE materials for green energy generation.en_US
dc.description.sponsorshipYork University Librariesen_US
dc.language.isoenen_US
dc.publisherMDPIen_US
dc.rightsAttribution 2.5 Canada*
dc.rights.urihttp://creativecommons.org/licenses/by/2.5/ca/*
dc.subjectthermoelectricen_US
dc.subjectpolymer foamsen_US
dc.subjectcarbon nanotubesen_US
dc.subjectgrapheneen_US
dc.subjectelectrical conductivityen_US
dc.subjectnanocompositeen_US
dc.titleThermoelectric Nanocomposite Foams Using Non-Conducting Polymers with Hybrid 1D and 2D Nanofillersen_US
dc.typeArticleen_US
dc.rights.journalhttps://www.mdpi.com/journal/materialsen_US
dc.rights.publisherhttps://www.mdpi.com/en_US
dc.rights.articlehttps://www.mdpi.com/1996-1944/11/9/1757en_US


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Attribution 2.5 Canada
Except where otherwise noted, this item's license is described as Attribution 2.5 Canada