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Design and Characterization of Three-Dimensional Carbon Nanotube Foams

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journal contribution
posted on 26.10.2006, 00:00 authored by Sumanjeet Kaur, Pulickel M. Ajayan, Ravi S. Kane
We demonstrate a new method that makes use of colloidal silica templates to fabricate porous three-dimensional architectures of carbon nanotubes (CNTs). CNTs were grown on monolayered and multilayered structures of colloidal silica using chemical vapor deposition. Porous CNT membranes and three-dimensional carbon nanotube foams were obtained by treating these silica-CNTs structures with HF. The membranes and foams of CNT so obtained were chemically and mechanically stable and were characterized by using scanning electron microscopy and energy dispersive spectroscopy.