Abstract
Optically transparent and electrically conductive single-walled carbon nanotube (SWNT)thin films were fabricated at room temperature using a dip-coating technique. The filmtransparency and sheet resistance can be easily tailored by controlling the number ofcoatings. Aminopropyltriethoxysilane (APTS) was used as an adhesion promoter and,together with surfactant Triton X-100, greatly improved the SWNTs coating. Only fivecoats were required to obtain a sheet resistance of 2.05 and film transparency of 84 %T. The dip-coated film after post-deposition treatment withnitric acid has a sheet resistance as low as 130 at 69 %T. This technique is suitable for large-scale SWNT coating at room temperatureand can be used on different types of substrates such as glass and plastics. This paper willdiscuss the role of the adhesion promoter and surfactant in the coating process.
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