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Effective passivation of Ag nanowire network by transparent tetrahedral amorphous carbon film for flexible and transparent thin film heaters

机译：透明的四面体非晶碳膜可有效钝化Ag纳米线网络用于柔性和透明薄膜加热器

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摘要

We developed effective passivation method of flexible Ag nanowire (NW) network electrodes using transparent tetrahedral amorphous carbon (ta-C) film prepared by filtered cathode vacuum arc (FCVA) coating. Even at room temperature process of FCVA, the ta-C passivation layer effectively protect Ag NW network electrode and improved the ambient stability of Ag NW network without change of sheet resistance of Ag NW network. In addition, ta-C coated Ag NW electrode showed identical critical inner and outer bending radius to bare Ag NW due to the thin thickness of ta-C passivation layer. The time-temperature profiles demonstrate that the performance of the transparent and flexible thin film heater (TFH) with the ta-C/Ag NW network is better than that of a TFH with Ag NW electrodes due to thermal stability of FCVA grown ta-C layer. In addition, the transparent and flexible TFHs with ta-C/Ag NW showed robustness against external force due to its high hardness and wear resistance. This indicates that the FCVA coated ta-C is promising passivation and protective layer for chemically weak Ag NW network electrodes against sulfur in ambient.
机译：我们使用通过过滤阴极真空电弧（FCVA）涂层制备的透明四面体非晶碳（ta-C）膜，开发了有效的Ag纳米线（NW）网络电极的钝化方法。即使在FCVA的室温处理过程中，ta-C钝化层也可以有效保护Ag NW网络电极，并改善Ag NW网络的环境稳定性，而不会改变Ag NW网络的薄层电阻。另外，由于ta-C钝化层的厚度薄，所以ta-C涂覆的Ag NW电极显示出与裸露的Ag NW相同的临界内部和外部弯曲半径。时间-温度曲线表明，由于FCVA生长的ta-C的热稳定性，带有ta-C / Ag NW网络的透明和柔性薄膜加热器（TFH）的性能优于带有Ag NW电极的TFH。层。此外，具有ta-C / Ag NW的透明，柔性TFH由于其高硬度和耐磨性而表现出对外力的抵抗力。这表明涂有FCVA的ta-C是有希望的钝化和保护层，用于化学弱的Ag NW网络电极以抵抗环境中的硫。

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