Growth model for bamboolike structured carbon nanotubes synthesized using thermal chemical vapor deposition

Article Abstract:

Thermal chemical vapor deposition of acetylene (C2H2) is employed for growing the vertically aligned carbon nanotubes (CNTs) on iron (Fe) deposited silicon oxide (SiO2) substrate in a wide temperature range of 550 to 950 degree Celsius. Images obtained from transmission electron microscope reveal that all the CNTs had a bamboolike structure in which the curvature of compartment layers was directed to the tip, independently of growth temperature.

Thermal properties, Acetylene

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Electronic structure and field emission of multiwalled carbon nanotubes depending on growth temperature

Article Abstract:

The electronic structure of multiwalled carbon nanotubes (CNTs) was investigated, depending on the growth temperature, using synchrotron X-ray photoelectron spectroscopy (XPS) and field emission measurements. Field emission from the as-grown CNTs exhibits a large enhancement of current density with growth temperature, strongly correlated with the electronic structure revealed by XPS.

Analysis, Usage, Photoelectron spectroscopy, Electron configuration, Structure, Nanotubes

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Selective chemical vapor deposition synthesis of double-wall carbon nanotubes on mesoporous silica

Article Abstract:

Double-wall carbon nanotubes (DWNTs) is selectively synthesized over Fe/Co loaded mesoporous silica by catalytic chemical vapor deposition of alcohol. Several silica materials with desired pore diameter and morphology is investigated for the DWNTs growth.

Industrial sand, Silica & Silica Sand, Industrial Sand Mining, Silica, Silicon dioxide

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