Gravure printing is a promising technique for large-scale printed electronics. However, gravure printing of silver nanowires (AgNWs) so far has been limited in terms of resolution and electrical conductivity. In this study, gravure printing of water-based AgNW ink on a flexible substrate is demonstrated. By tailoring the ink properties, printing conditions and post-printing treatment, gravure printing enables printing of high-resolution, highly conductive AgNW patterns in large areas, with resolution as fine as 50 µm and conductivity as high as 5.34 × 104 S cm−1. The printed AgNW patterns on the flexible substrate show excellent flexibility under repeated bending. All these characteristics demonstrate the excellent potential of gravure printing of AgNWs for developing large-area flexible electronics.
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机译：凹版印刷是用于大规模印刷电子的有前途的技术。但是，到目前为止，银纳米线（AgNW）的凹版印刷在分辨率和导电率方面受到限制。在这项研究中，展示了在柔性基材上凹版印刷水性AgNW油墨。通过调整油墨性能，印刷条件和印后处理，凹版印刷可以在大面积上印刷高分辨率，高导电性的AgNW图案，分辨率高达50μm，电导率高达5.34××10 4 S cm -1 。柔性基板上印刷的AgNW图案在反复弯曲下显示出极好的柔韧性。所有这些特性证明了AgNW的凹版印刷在开发大面积柔性电子产品方面的巨大潜力。
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