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Journal Article
Effect of Supersonic Spraying Impact Velocity on Opto-Electric Properties of Transparent Conducting Flexible Films Consisting of Silver Nanowire, ITO, and Polyimide Multilayers
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- Authors
- Tae-Gun Kim, Jong-Gun Lee, Chan-Woo Park, Hong-Seok Jo, Min-Woo Kim, Maikel F.A.M. van Hest, Dae-Hyung Cho, Yong-Duck Chung, Sam S. Yoon
- Issue Date
- 2018-03
- Citation
- Journal of Alloys and Compounds, v.739, pp.653-659
- ISSN
- 0925-8388
- Publisher
- Elsevier
- Language
- English
- Type
- Journal Article
- Abstract
- We demonstrate the use of supersonic spraying for the deposition of silver nanowires (AgNWs) on a flexible polyimide (PI) substrate for the formation of transparent and conducting films (TCF) as an alternative to nonflexible ITO (indium tin oxide). The self-fused intersections of the NWs resulted in films with a low sheet resistance (Rs = 31 廓/sq) and fairly high transmittance (Tr = 92%) on a glass substrate. The effect of the impact speed of the supersonically sprayed AgNWs on the opto-electric properties of the flexible TCF was evaluated by varying the spray coating conditions. The fabricated films were characterized by X-ray diffraction analysis, atomic force microscopy, ultraviolet-visible spectroscopy, and scanning electron microscopy. Finally, cyclic bending tests were performed on the PI/AgNW films as well as PI/ZnO/indium tin oxide/AgNW films, and the changes in their electrical properties with bending were compared.
- KSP Keywords
- Atomic force microscope(AFM), Cyclic bending tests, Deposition of silver, Flexible film, Glass substrate, High transmittance, Impact speed, Impact velocity, Scanning electron microscopy(S.E.M.), Silver nanowires(AgNWs), Spray coating