Trapping and aligning carbon nanotubes via substrate geometry engineering

Details Trapping and aligning carbon nanotubes via substrate geometry engineering Trapping and aligning carbon nanotubes via substrate geometry engineering

Feb 2004

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004njph....6...15w&link_type=abstract

New Journal of Physics, Volume 6, Issue 1, pp. 15 (2004).

Physics

1

Scientific paper

We present a simple method to place pregrown carbon nanotubes at specified locations on geometrically patterned silicon devices. Following room-temperature solution deposition, the nanotubes span gaps between pairs of tooth-shaped anchors serving as mechanical and/or electrical contacts. With a single deposition step, at least 50% of the anchor pairs are spanned by nanotubes. With the simultaneous application of modest local electric fields during deposition, the yield of successfully spanned anchor pairs is increased to 100%. Our placement method may find application in the reliable fabrication of nanotube-based electronic and microelectromechanical systems (MEMS) devices.
EHPRG Award Lecture.

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