Chemistry Letters
Online ISSN : 1348-0715
Print ISSN : 0366-7022
Ultrasonic Sprayed Graphene Oxide and Air Sprayed Ag Nanowire for the Preparation of Flexible Transparent Conductive Films
Young-Hui KoJu-Won LeeWon-Kook ChoiSung-Ryong Kim
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JOURNALS RESTRICTED ACCESS Advance online publication

Article ID: 140220

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Abstract

Simple solution spraying coating of graphene oxide (GO) and Ag nanowires (AgNWs) was employed to prepare the transparent conductive films (TCFs). We used air- and ultrasonic spraying and the effects of different spraying methods on the properties of TCFs were investigated. Ultrasonic spraying exhibited a significant decrease in the length of AgNWs and increase of sheet resitance. Thin two-dimensional reduced graphene oxide (rGO) prepared by ultrasonic spraying with a tightly bound conductive Ag nanowires prepared by air spraying effectivley decreased the sheet resistance and increased the transparency of the hybrid films. Air sprayed rGO (0.25 ml)/AgNW (0.45 ml)/polymethylmethacrylate exhibited a sheet resistance of 328 Ω/□, however, the ultrasonic sprayed rGO (0.25 ml) /air sprayed AgNW (0.45 ml) on a polymethylmethacrylate showed a significant improvement of sheet resistance to 86 Ω/□ with a light transmittance of 78%. The sprayed rGO/AgNW showed little change in sheet resistance after 200 bending cycles with a radius curvature of 10 mm.

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© 2014 The Chemical Society of Japan
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