Carbon Nanotubes (CNT) cylindrical shaped hollow tubes made of rolled carbon sheets with high length to diameter ratio and possess super electrical, mechanical, and thermal material properties. Carbon nano-tubes were synthesized first around 1985, and their structure was defined around 1991. CNTs are categorized to Single Wall Carbon Nanotubes (SWCNT) and Multiple Wall Carbon Nanotubes (MWCNT). Several techniques have been developed to synthesize CNT.
At IR4TD two methods of synthesis are researched, flame based methods and Chemical Vapor Deposition (CVD). Flame has been fruitfully applied to the synthesis of carbon nanostructures. IR4TD researchers use the coflow methane diffusion flames and counterflow diffusion flames to synthesize CNTs in curved and entangled forms as well as well-aligned paralleled and uniform sized forms according to the catalyst substrates used. The average diameter of synthesized CNTs is 60 nm. The synthesized CNTs effects of carbon sources, temperature, and catalyst were experimentally and numerically analyzed. CVD methods have been optimized using experimental and computational applications.
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