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Three coating methods slot, dip and blade coatings were used separately to coat a well-dispersed single-wall carbonnanotube SWCNT solution on polyethylene terephthalate PET film, and the resulting optical and electronic properties were measured and compared. It was found that the sheet resistance and the transparency of the SWCNT coated film decreased as the coating speed increased for dip and blade coatings, but were independent of the coating speed for slot coating. All three coating methods were able to produce transparent conductive film with transparency above 85% and sheet resistance close to 1000 ohm-sq. For industrial production, the slot die coating method appears to be more suitable in terms of high coating speed and uniformity of optical and electronic properties.


Carbon Nanotubes; Transparent Conductive Film; Dip Coating; Slot Die Coating; Blade Coating; Sheet Resistance; Transparency

Cite this paper

K. Chen, H. Yeh, H. Chen, T. Liu, S. Huang, P. Wu and C. Tiu -Optical-Electronic Properties of Carbon-Nanotubes Based Transparent Conducting Films,- Advances in Chemical Engineering and Science, Vol. 3 No. 1, 2013, pp. 105-111. doi: 10.4236-aces.2013.31013.

Autor: Kuan-Ru Chen, Hsiu-Feng Yeh, Hung-Chih Chen, Ta-Jo Liu, Shu-Jiuan Huang, Ping-Yao Wu, Carlos Tiu

Fuente: http://www.scirp.org/


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