2007 NSTI Nanotechnology Conference and Trade Show - Nanotech 2007 - 10th Annual

Novel Solid Phase Synthesized Carbon Nano Tube using Tube Control Agent

K.C. Nguyen, S.T. Do, T.V. Le and S.T. Nguyen
SAIGON HI TECH PARK, VN

Keywords:
solid phase, carbon nanotube, tube control agent

Abstract:
Even though gas phase reaction using plasma CVD reactor seems to be the most promising for scale up of single walled and multi walled carbon nano tube (CNT) products, it still remains several serious issues regarding the uniformity of the tube including tube diameter, tube length, purities, product cost … We have studied a solid phase synthetic process of carbon nano tube using full solid raw materials blended with the tube control agent. It is discovered that the particular tube control agent plays a significant role in the tube shape forming mechanism and product uniformity. Without the tube control agent or when the concentration exceeds certain levels in the feed stock of the raw material, the carbon nano fiber is formed, instead. The solid state raw materials can form thin or thick solid film prior to the reaction, showing capability of controlling tube length, tube diameter through the thickness. The solid phase synthetic process in the present study also exhibits the capability of making carbon nano tube or fiber in scale of 10-100kg/day with a low cost brick production stove.

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