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      https://www.ias.ac.in/article/fulltext/boms/036/03/0345-0351

    • Keywords

       

      VC@C; core-shell structure; composite materials; mesoporous material; solid-state reaction.

    • Abstract

       

      A novel approach to the fabrication of vanadium carbide encapsulated into carbon nanotube (VC@C) core-shell structured composite by thermal treatment with the precursor V3O7.H2O@C was developed for the first time. The as-obtained VC@C were characterized by X-ray powder diffraction (XRD), Raman spectrum, energydispersive X-ray spectrometer (EDX), elemental analysis (EA), Fourier transform infrared spectroscopy (FT)–(IR), scanning electron microscopy (SEM), transmission electron microscopy (TEM) and Brunauer–Emmett–Teller (BET). The results showed that VC@C with core-shell structures could be successfully synthesized at 1000 °C for 2 h. The specific surface area, average pore size and measured pore volume of VC@C were 135.46 m2/g, 4.443 nm and 0.180 cm3/g, respectively indicating that the as-obtained VC@C composite could be used as a mesoporous material. Furthermore, thermal behaviour of the as-obtained VC@C composite in air was investigated by thermogravimetric/differential thermal analyser (TG/DTA). The experimental result revealed that the carbon coated on the surface of VC has high activity with O2 in air atmosphere.

    • Author Affiliations

       

      Yifu Zhang1 Juecheng Zhang1 Meijuan Fan2 Yan’an Long1 Yalan Zhong1 Xinghai Liu2 Chi Huang1 3

      1. College of Chemistry and Molecular Sciences, Wuhan University, Wuhan 430 072, P. R. China
      2. School of Printing and Packaging, Wuhan University, Wuhan 430 079, P. R. China
      3. Engineering Research Centre of Organosilicon Compound and Material, Ministry of Education of China, Wuhan 430 072, P. R. China
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