A method of forming a nanotube grid includes placing a plurality of catalyst nanoparticles on a grid framework, contacting the catalyst nanoparticles with a gas mixture that includes hydrogen and a carbon source in a reaction chamber, forming an activated gas from the gas mixture, heating the grid framework and activated gas, and controlling a growth time to generate a single-wall carbon nanotube array radially about the grid framework. A filter membrane may be produced by this method.
STATEMENT OF FEDERALLY SPONSORED RESEARCH
This invention was made with government support under Grant No. DOE-DE-Ac05-000R22725, awarded by the U.S. Department of Energy, and Grant No. AFRL-F33615-01-D5802, awarded by the U.S. Department of Defense. The government has certain rights in the invention.