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Investigation of Electrical and Thermal Properties of Reduced Graphene Oxide–Multiwalled Carbon Nanotubes/PMMA Hybrid Nanocomposite
Author(s) -
Sa Kadambinee,
Mahakul Prakash Chandra,
Saha Sunirmal,
Behara Dhrubananda,
Vishwakarma Prakash Nath,
Mahanandia Pitamber
Publication year - 2018
Publication title -
physica status solidi (a)
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.532
H-Index - 104
eISSN - 1862-6319
pISSN - 1862-6300
DOI - 10.1002/pssa.201700476
Subject(s) - materials science , graphene , nanocomposite , carbon nanotube , composite material , composite number , oxide , percolation threshold , methyl methacrylate , poly(methyl methacrylate) , thermal stability , hybrid material , electrical resistivity and conductivity , polymer , chemical engineering , nanotechnology , polymerization , engineering , electrical engineering , metallurgy
Electrical and thermal properties of the hybrid composites, prepared using reduced graphene oxide (rGO), multi‐walled carbon nanotubes (MWCNTs), and Poly (methyl methacrylate) (PMMA) have been investigated. In this hybrid composite, the effect of rGO wt.% in MWCNTs/PMMA composite has been investigated. The investigation demonstrates that the rGO–MWCNTs/PMMA hybrid composite achieved considerable improvements in electrical properties compared to the MWCNTs/PMMA and rGO/PMMA composites. The hybrid nanocomposite exhibits a percolation threshold of around 0.743 wt.% which is less than that of MWCNTs/PMMA ( p c = 0.838 wt . % ) and rGO/PMMA ( p c = 1 wt . % ) composites and has a maximum conductivity of 1.546 × 10 −1  S cm −1 with a filler content of 6 wt.% rGO. The experimentally observed improved electrical and thermal properties as a result of increased rGO wt.% in MWCNTs/PMMA are attributed to a synergistic effect of MWCNTs and rGO. The experimentally observed physical properties of the rGO–MWNTs/PMMA nanocomposite suggest it as potential material for future applications.

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