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Enhanced Thermoelectric Properties in PDMS/MWCNT Based Flexible Composites Using Modification of MWCNT with Magnetic Iron Oxide and Its Alignment by High Magnetic Field

Title
Enhanced Thermoelectric Properties in PDMS/MWCNT Based Flexible Composites Using Modification of MWCNT with Magnetic Iron Oxide and Its Alignment by High Magnetic Field
Authors
황준성이영재이성준김동환김현철정상원이세근
DGIST Authors
황준성; 이영재; 이성준김동환김현철정상원이세근
Issue Date
2019-10-10
Citation
2019 한국고분자학회 추계학술대회
Type
Conference
ISSN
2384-0307
Abstract
Magnetic Fe3O4 nanoparticle attached onto surface of MWCNTs(m-MWCNTs) were synthesized and their electrical conductivities as a result of their alignment in a flexible composite(PDMS/MWCNT) matrix under an external high magnetic field were investigated. Especially, m-MWCNTs were readily aligned parallel to the direction of a magnetic field(MF) compare to pristine MWCNT. The electrical conductivity of the flexible composites was increased with increasing m-MWCNTs content in the PDMS/MWCNT composite matrix. Futhermore, the electrical conductivity parallel to the direction of MF were higher than those in the random. Also, Bi2Te3 particles added to the PDMS/MWCNT mixture and fabricated composite sample under same condition. The thermoelectric parameters such as thermal conductivity, Seebeck coefficient, and the calculated ZT have been investigated. Acknowledgements: This work was supported by the DGIST R&D Program of the Ministry of Science, ICT and Future Planning of Korea (19-ET-02).
URI
http://hdl.handle.net/20.500.11750/14258
Publisher
한국고분자학회
Related Researcher
Files:
There are no files associated with this item.
Collection:
Division of Biotechnology2. Conference Papers
Division of Nanotechnology2. Conference Papers


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