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Theoretical predictions for carbon nanotube alignment by meniscus action

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3 Author(s)
Wood, J.D. ; Dept. of Electr. & Comput. Eng., Univ. of Illinois at Urbana-Champaign, Urbana, IL, USA ; Nazareth, V. ; Lyding, J.W.

Single-walled carbon nanotubes (SWNTs) are rolled cylinders of monolayer graphene with high electron mobilities and a potentially large bandgap. Therefore, their operation speeds and current on/off ratios make them promising for next generation field-effect transistor devices. Making SWNTs a potential wafer-scale nanotechnology requires control of their chirality, density, placement, and alignment on a relevant substrate. This work investigates how mechanical alignment by meniscus action can align SWNTs suspended in solution, allowing them to be deposited on a substrate in a top-down fashion. Also, we show some early experimental results.

Published in:

Semiconductor Device Research Symposium, 2009. ISDRS '09. International

Date of Conference:

9-11 Dec. 2009