On the effects of solution and reaction parameters for the aerosol-assisted CVD growth of long carbon nanotubes
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High-purity vertically aligned films of multi-wall carbon nanotubes have been synthesized via an aerosol-assisted CVD method using a solution of ferrocene in m-xylene. This method provides good control over the nanotube diameter by varying a number of solution or reaction parameters such as the ferrocene concentration in the solution, the hydrogen content in the gas flow or the ultrasonication frequency producing the aerosol droplets. We are the first to report a nanotube diameter reduction from smaller aerosol droplets by increasing the ultrasonication frequency.
KeywordsFerrocene Transmission Electron Microscopy Micrographs Catalyst Particle Reaction Parameter Solution Parameter
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