Novel Carbyne Filled Carbon Nanotube – Polymer Nanocomposites

Luhyna, Nataliia, Rafique, Rafaila, Iqbal, Sadia Sagar, Khaliq, Jibran, Saharudin, Mohd Shahneel, Wei, Jiacheng, Qadeer, Quratulane and Inam, Fawad (2020) Novel Carbyne Filled Carbon Nanotube – Polymer Nanocomposites. NanoWorld Journal, 6 (2). pp. 29-34. ISSN 2379-1101

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The availability of carbyne in carbon nanotubes (CNTs) induces intrinsic stiffening and strengthening of CNTs, and is exploited for the very first time in this report to process epoxy nanocomposites with improved mechanical and electrical properties. The existence of encapsulated carbyne in double wall CNTs (DWNTs) was confirmed using High Resolution Transmission Electron Microscopy (HR-TEM). The intrinsic stiffening of carbyne reinforced DWNTs (c-DWNTs) in epoxy matrix was visually confirmed by Field Emission Scanning Electron Microscopy (FE-SEM). In comparison to raw DWNTs reinforced epoxy nanocomposites, c-DWNTS imparted modest but improved tensile strength (5.6%), elastic modulus (9.7%), failure strain (9.9%) and fracture toughness (13%) to their respective epoxy nanocomposites. This inaugural study on carbyne-filled polymer composites also reports a minor but distinct increase (an order of magnitude) in the electrical conductivity for c-DWNTs filled epoxy nanocomposites compared to DWNT filled epoxy nanocomposites.

Item Type: Article
Uncontrolled Keywords: Carbyne, Carbon nanotube, Epoxy, Polymer nanocomposite
Subjects: F200 Materials Science
Department: Faculties > Engineering and Environment > Mechanical and Construction Engineering
Depositing User: John Coen
Date Deposited: 12 Aug 2020 09:33
Last Modified: 31 Jul 2021 12:16

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