Inkjet printed transparent conductive films using water-dispersible single-walled carbon nanotubes treated by UV/ozone irradiation

Young In Lee; Seil Kim; Kun Jae Lee; Nosang V. Myung; Yong Ho Choa

doi:10.1016/j.tsf.2013.02.109

Inkjet printed transparent conductive films using water-dispersible single-walled carbon nanotubes treated by UV/ozone irradiation

Young In Lee, Seil Kim, Kun Jae Lee, Nosang V. Myung, Yong Ho Choa

Dept. of Materials Science & Engineering

Research output: Contribution to journal › Article › peer-review

27 Scopus citations

Abstract

Water-based single-walled carbon nanotube (SWCNT) inks with excellent dispersibility for inkjet printed transparent conductive films were prepared by a simple and versatile UV/ozone treatment. The dispersion stability of the SWCNTs was enhanced by the increased oxygen-containing groups on the SWCNT surfaces which were created by the UV/ozone treatment. After inkjet printing of the ink to obtain transparent conductive patterns, circular rings in which most of the SWCNTs are concentrated at the rim were formed by coffee ring effect. The transparent conducting films were achieved by connecting and stacking the rings; the final films inkjet printed in 40 layers have a sheet resistance of 870 Ω sq^{- 1} at 80% optical transmittance in the wavelength of 550 nm.

Original language	English
Pages (from-to)	160-165
Number of pages	6
Journal	Thin Solid Films
Volume	536
DOIs	https://doi.org/10.1016/j.tsf.2013.02.109
State	Published - 1 Jun 2013

Keywords

Coffee ring effect
Ink-jet printing
Single-wall carbon nanotubes
Transparent electrodes
UV/ozone treatment
Water-dispersible inks

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10.1016/j.tsf.2013.02.109

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title = "Inkjet printed transparent conductive films using water-dispersible single-walled carbon nanotubes treated by UV/ozone irradiation",

abstract = "Water-based single-walled carbon nanotube (SWCNT) inks with excellent dispersibility for inkjet printed transparent conductive films were prepared by a simple and versatile UV/ozone treatment. The dispersion stability of the SWCNTs was enhanced by the increased oxygen-containing groups on the SWCNT surfaces which were created by the UV/ozone treatment. After inkjet printing of the ink to obtain transparent conductive patterns, circular rings in which most of the SWCNTs are concentrated at the rim were formed by coffee ring effect. The transparent conducting films were achieved by connecting and stacking the rings; the final films inkjet printed in 40 layers have a sheet resistance of 870 Ω sq- 1 at 80\% optical transmittance in the wavelength of 550 nm.",

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AU - Lee, Young In

AU - Kim, Seil

AU - Lee, Kun Jae

AU - Myung, Nosang V.

AU - Choa, Yong Ho

PY - 2013/6/1

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KW - Single-wall carbon nanotubes

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Inkjet printed transparent conductive films using water-dispersible single-walled carbon nanotubes treated by UV/ozone irradiation

Abstract

Keywords

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