Growth of carbon nanotubes (CNTs) at low temperature is very important to the ap- plications of nanotubes. In this paper, under the catalytic effect of cobalt nanoparticles supported by SiO2, CNTs were synthesized by ...Growth of carbon nanotubes (CNTs) at low temperature is very important to the ap- plications of nanotubes. In this paper, under the catalytic effect of cobalt nanoparticles supported by SiO2, CNTs were synthesized by microwave plasma chemical vapor deposition (MWPCVD) below 500°C. lt demonstrates that MWPCVD can be a very efficient process for the synthesis of CNTs at low temperature.展开更多
Carbon nanotubes(CNTs) were successfully synthesized through chemical vapor deposition(CVD) method over cobalt catalysts using scrap tyre rubber as carbon source.The CNTs as produced were investigated by means of ...Carbon nanotubes(CNTs) were successfully synthesized through chemical vapor deposition(CVD) method over cobalt catalysts using scrap tyre rubber as carbon source.The CNTs as produced were investigated by means of X-ray diffraction, thermogravimetric analysis,scanning electron microscope,transmission electron microscopy and Raman spectrum techniques.It was found that the obtained carbon material mainly existed in the form of CNTs.展开更多
文摘Growth of carbon nanotubes (CNTs) at low temperature is very important to the ap- plications of nanotubes. In this paper, under the catalytic effect of cobalt nanoparticles supported by SiO2, CNTs were synthesized by microwave plasma chemical vapor deposition (MWPCVD) below 500°C. lt demonstrates that MWPCVD can be a very efficient process for the synthesis of CNTs at low temperature.
基金supported by the National Basic Research Program of China(973 Program,No2011CB201202) the Fundamental Research Funds for the Central Universities(No2010SCU22010)
文摘Carbon nanotubes(CNTs) were successfully synthesized through chemical vapor deposition(CVD) method over cobalt catalysts using scrap tyre rubber as carbon source.The CNTs as produced were investigated by means of X-ray diffraction, thermogravimetric analysis,scanning electron microscope,transmission electron microscopy and Raman spectrum techniques.It was found that the obtained carbon material mainly existed in the form of CNTs.