Abstract
Carbon nanotubes are of great interest from a fundamental point of view, as well as for future applications. Anchored individual carbon nanotubes and their arrays show much promise as field emitters, electrode materials, sensors and scanning probes. They also open new avenues in nanoelectronics and gamma-optics. Aligned carbon nanotubes are generally produced using the chemical vapor deposition over patterned catalyst. Depending on the organics used as a carbon source, carbon nanotube growth occurs at 700-1000 oC that restricts their applications constraining the choice of possible substrates. The carbon nanotube synthesis can be, however, activated at low temperatures employing nonequilibrium plasma [1]. Here we report a new and facile method of catalytic synthesis of well-aligned free standing carbon nanotube arrays via chemical vapor deposition under assistance of plasma generated by a pulsed barrier discharge.
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