Abstract
Science and engineering communities have given the synthesis of vertically aligned single walled carbon nanotubes (VA-SWNTs) considerable attention due to their attractive physical properties, unique morphology, and better potential for building advanced devices than those with asymmetric and entwined carbon nanotubes (CNTs). Chemical vapor deposition (CVD) is one of several viable methods for growing VA-SWNTs, which is well known for its economic viability and good yield of VA-SWNTs. Utilizing Co catalyst (0.5 ~ 1 nm thick) supported on an Al/SiO2 multilayer substrate and a hydrocarbon feedstock, VA-SWNTs are grown in excess of a millimeter height.
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