Silver nanowire-based transparent,flexible, and conductive thin film |
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Authors: | Cai-Hong Liu Xun Yu |
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Affiliation: | (1) Department of Mechanical and Industrial Engineering, University of Minnesota Duluth, Duluth, MN 55812, USA |
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Abstract: | The fabrication of transparent, conductive, and uniform silver nanowire films using the scalable rod-coating technique is
described in this study. Properties of the transparent conductive thin films are investigated, as well as the approaches to
improve the performance of transparent silver nanowire electrodes. It is found that silver nanowires are oxidized during the
coating process. Incubation in hydrogen chloride (HCl) vapor can eliminate oxidized surface, and consequently, reduce largely
the resistivity of silver nanowire thin films. After HCl treatment, 175 Ω/sq and approximately 75% transmittance are achieved.
The sheet resistivity drops remarkably with the rise of the film thickness or with the decrease of transparency. The thin
film electrodes also demonstrated excellent flexible stability, showing < 2% resistance change after over 100 bending cycles. |
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