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<p>The primary factors influencing the synthesis of MWCNTs via chemical vapor deposition (CVD) include the choice of carbon source, substrate, and catalyst. This study aims to examine the impact of various carbon sources on the formation of carbon nanotubes and to assess their influence on the electrical conductivity of epoxy polymers. In this work, xylene, cyclohexane, and n-heptane were used as carbon sources. Multi-wall carbon nanotubes (MWCNTs) were synthesized via aerosol-based chemical vapor deposition. The synthesized MWCNTs were characterized by scanning electron microscopy (SEM), X-ray diffraction (XRD), Fourier transform infrared (FTIR), and Raman spectroscopy. One of the carbon nanotube samples was subsequently selected and incorporated into the epoxy matrix to fabricate MWCNTs-epoxy nanocomposites containing 1% and 2% nanotubes. The electrical conductivity of the nanocomposites was determined via an immittance meter. The findings demonstrate that the selection of the carbon source plays a crucial role in determining the quality of the synthesized carbon nanotube networks and, in turn, the electrical conductivity of the MWCNTs-epoxy nanocomposites. This study offers valuable insights for optimizing the synthesis of high-performance nanocomposites intended for advanced applications.</p>

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Synthesis of multi-walled carbon nanotubes using various carbon sources via chemical vapor deposition- characterization of MWCNT-epoxy nanocomposites

  • 期刊论文

  • 发表日期：

    2025年10月29日

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  • Tarana Orujova,
  • Gulnaz Gahramanova,
  • Rovshan Hasanov,
  • Rasim Jabbarov

摘要

The primary factors influencing the synthesis of MWCNTs via chemical vapor deposition (CVD) include the choice of carbon source, substrate, and catalyst. This study aims to examine the impact of various carbon sources on the formation of carbon nanotubes and to assess their influence on the electrical conductivity of epoxy polymers. In this work, xylene, cyclohexane, and n-heptane were used as carbon sources. Multi-wall carbon nanotubes (MWCNTs) were synthesized via aerosol-based chemical vapor deposition. The synthesized MWCNTs were characterized by scanning electron microscopy (SEM), X-ray diffraction (XRD), Fourier transform infrared (FTIR), and Raman spectroscopy. One of the carbon nanotube samples was subsequently selected and incorporated into the epoxy matrix to fabricate MWCNTs-epoxy nanocomposites containing 1% and 2% nanotubes. The electrical conductivity of the nanocomposites was determined via an immittance meter. The findings demonstrate that the selection of the carbon source plays a crucial role in determining the quality of the synthesized carbon nanotube networks and, in turn, the electrical conductivity of the MWCNTs-epoxy nanocomposites. This study offers valuable insights for optimizing the synthesis of high-performance nanocomposites intended for advanced applications.