• 文献标题:   Low-temperature exfoliated graphene oxide incorporated with different types of natural rubber latex: Electrical and morphological properties and its capacitance performance
  • 文献类型:   Article
  • 作  者:   NURHAFIZAH MD, AZIZ AA, SURIANI AB, MOHAMED A, SOGA T
  • 作者关键词:   nanocomposite, electrical conductivity, electrode
  • 出版物名称:   CERAMICS INTERNATIONAL
  • ISSN:   0272-8842 EI 1873-3956
  • 通讯作者地址:   Univ Sains Malaysia
  • 被引频次:   1
  • DOI:   10.1016/j.ceramint.2019.11.005
  • 出版年:   2020

▎ 摘  要

A simple with cost-effective method in the production and fabrication of graphene-based rubber nanocomposites as electrode materials is still remain a global challenge. In this work, we proposed one- and two-step approaches to fabricate an exfoliated graphene oxide (GO) as nanofiller in three different types of rubber latex polymer, namely, low ammonia natural rubber latex (NRL), radiation vulcanized NRL (RVNRL), and epoxy NRL 25 (ENRL 25). The electrical conductivity and capacitive behavior of nanocomposite samples were investigated under a four-point probe and cyclic voltammetry measurements, respectively. Meanwhile, the morphological properties were observed using field emission scanning electron microscopy, energy dispersive X-ray, optical polarization microscope, high-resolution transmission electron microscopy, Fourier-transform infrared spectroscopy, micro-Raman spectroscopy, and X-ray diffraction. The thermal stabilities of the nanocomposites were also investigated by thermogravimetric analysis. Among all, the GO/RVNRL polymer nanocomposite samples performed a better homogeneity with an improved electrical conductivity (similar to 8.6 x 10(-4) Scm(-1)) as compared with the GO/ENRL 25 (similar to 3.1 x 10(-4) Scm(-1)) and GO/NRL (similar to 2.6 x 10(-4) Scm(-1)) polymer nanocomposite samples. In addition, the GO/RVNRL polymer nanocomposite electrodes showed acceptable specific capacitance (5 Fg(-1)). The successfully fabricated conductive GO-based rubber nanocomposites are suitable for new supercapacitor electrodes.