Journal
NANO LETTERS
Volume 4, Issue 12, Pages 2513-2517Publisher
AMER CHEMICAL SOC
DOI: 10.1021/nl048435y
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Ultrathin, uniform single-walled carbon nanotube networks of varying densities have been fabricated at room temperature by a vacuum filtration method. Measurements of the sheet conductance as a function of nanotube network density show 2D percolation behavior. In addition, the network transparency in the visible spectral range was examined and the results are in agreement with a standard thin-film model: fits to the standard theory indicate sigma(ac) = sigma(dc) for transmission measurements at 550 nm. Transmission measurements also indicate the usefulness of nanotube network films as a transparent, conductive coating. Avenues for improvement of the network conductance are discussed.
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