Stabilization of gold doped single-walled carbon nanotube film by electropolymerization
- Authors
- Yun, Hyungduk; Kim, Sanghyo
- Issue Date
- 6-Aug-2012
- Publisher
- AMER INST PHYSICS
- Citation
- APPLIED PHYSICS LETTERS, v.101, no.6
- Journal Title
- APPLIED PHYSICS LETTERS
- Volume
- 101
- Number
- 6
- URI
- https://scholarworks.bwise.kr/gachon/handle/2020.sw.gachon/16222
- DOI
- 10.1063/1.4745198
- ISSN
- 0003-6951
- Abstract
- We report poly(3,4-ethylenedioxythiophene) (PEDOT) as a conducting polymer useful for stabilizing gold chloride (HAuCl4)-doped single-walled carbon nanotube (SWCNT) film. A specific area was sprayed with SWCNT on a polyethylene terephthalate substrate supported by a slide glass, followed by HAuCl4 doping. The SWCNT film was electropolymerized with 3,4-ethylenedioxythiophene (EDOT). Transparency of 91% at 550 nm wavelength with 150 Omega/sq of sheet resistance was achieved with this method. Unlike general AuCl3 doped SWCNT film, the sheet resistance remained stable for up to 4 months. The electropolymerization of PEDOT on the doped film could eliminate the hygroscopic effects through the redox reaction between EDOT and gold chloride salts. (C) 2012 American Institute of Physics. [http://dx.doi.org/10.1063/1.4745198]
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