Green Synthesis and Characterization of Carbon Nanotubes from Water Hyacinth Via Chemical Vapor Deposition


  • Suparat Sasrimuang Department of Chemical engineering, Faculty of Engineering, Khon Kaen University, Khon Kaen .
  • Oranat Chuchuen Department of Chemical engineering, Faculty of Engineering, Khon Kaen University, Khon Kaen / Excellence in Medical Innovation and Technology Research Group, Faculty of Medicine, Khon Kaen University, Khon Kaen
  • Apichart Marjang Department of CaDepartment of Chemical engineering, Faculty of Engineering, Khon Kaen University, Khon Kaen


Carbon nanotubes, Water hyacinth, Chemical vapor deposition, bamboo-like carbon nanotubes, Green synthesis


Carbon nanotubes (CNTs) were found to have formed during chemical vapor deposition (CVD) process of water hyacinth as green and renewable source without adding catalysts at a relatively low temperature of 700 oC. Acetylene was employed as a carbon source. Scanning electron microscopy (SEM) results showed that the CNTs formed over the bio-char of water hyacinth. The energy dispersive X-Ray fluorescence spectrometer (EDX) showed the silicon and alumina existing elements in water hyacinth, indicating that these elements played a key role as a catalyst for CNTs formation. Transmission electron microscopy (TEM) revealed that the diameter and length of CNTs were ~ 46 nm and 200~300 nm, respectively. Moreover, the microstructure of CNTs synthesized was bamboo-like CNTs structure and a d-spacing of 0.34 nm. The high degree of crystallization and high thermal stabilization were reported by Raman spectroscopy and thermal gravimetric analysis (TGA). Conclusively, this work provides the green and sustainable to synthesis CNTs and add-value of the useless weed into high-value products as CNTs.


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How to Cite

S. Sasrimuang, O. . Chuchuen, and A. . . Marjang, “Green Synthesis and Characterization of Carbon Nanotubes from Water Hyacinth Via Chemical Vapor Deposition”, Eng. & Technol. Horiz., vol. 37, no. 3, pp. 28–33, Sep. 2020.



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