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This paper reports a facile method to grow horizontally suspended carbon nanotubes (CNTs) spanning across wide trenches. The vertical thickness of resultant CNT mats was controlled by adjusting the deposition direction of catalysts relative to the top surface of the substrate. The Raman spectroscopy reveals that the structural quality of CNTs gradually improves from CNT roots to tips, which is mainly...
In this paper, we report a method based on nanosphere lithography technology for the synthesis of nano-pitched vertically aligned multi-walled carbon nanotube array. A monolayer of polystyrene nanospheres with diameter of 650 nm was coated on silicon oxide layer to create hexagonally arranged patterns. A metal layer, which acted as a catalyst for carbon nanotube growth, was deposited on the patterns...
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