Exploring a novel approach to fabricate vanadium carbide encapsulated into carbon nanotube (VC@C) with large specific surface area

Bulletin of materials science

Yifu Zhang²  Meijuan Fan³  Juecheng Zhang²  Yan’an Long²  Chi Huang¹  Xinghai Liu³  Yalan Zhong² 

[1] College of Chemistry and Molecular Sciences, Wuhan University, Wuhan 430 072, P. R. China$$Engineering Research Centre of Organosilicon Compound and Material, Ministry of Education of China, Wuhan 430 072, P. R. China$$College of Chemistry and Molecular Sciences, Wuhan University, Wuhan 430 072, P. R. ChinaCollege of Chemistry and Molecular Sciences, Wuhan University, Wuhan 430 072, P. R. China$$Engineering Research Centre of Organosilicon Compound and Material, Ministry of Education of China, Wuhan 430 072, P. R. China$$Engineering Research Centre of Organosilicon Compound and Material, Ministry of Education of China, Wuhan 430 072, P. R. ChinaCollege of Chemistry and Molecular Sciences, Wuhan University, Wuhan 430 072, P. R. China$$Engineering Research Centre of Organosilicon Compound and Material, Ministry of Education of China, Wuhan 430 072, P. R. China$$;College of Chemistry and Molecular Sciences, Wuhan University, Wuhan 430 072, P. R. China$$College of Chemistry and Molecular Sciences, Wuhan University, Wuhan 430 072, P. R. ChinaCollege of Chemistry and Molecular Sciences, Wuhan University, Wuhan 430 072, P. R. China$$;School of Printing and Packaging, Wuhan University, Wuhan 430 079, P. R. China$$School of Printing and Packaging, Wuhan University, Wuhan 430 079, P. R. ChinaSchool of Printing and Packaging, Wuhan University, Wuhan 430 079, P. R. China$$

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

DOI  :  

学科分类：材料工程

来源: Indian Academy of Sciences

【 摘 要 】

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)â€�??(IR), scanning electron microscopy (SEM), transmission electron microscopy (TEM) and Brunauerâ€�?�Emmettâ€�?�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.

【 授权许可】

Unknown