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Solution processing of silver nanowires for transparent heaters and flexible electronics

机译:用于透明加热器和柔性电子产品的银纳米线的溶液处理

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We present the solution-based synthesis of silver nanowires (AgNWs) with an aspect ratio over 400 in a short growth time of 20 min. The addition of potassium chloride (KCl) during the growth regulates the supply of silver atoms and leads to an agglomerate-free and well-dispersed solution. Via a facile and scalable deposition technique, i.e. spray-coating, the AgNWs are deposited to transparent electrodes (TEs) on flexible or glass substrates. Without any post-treatment such as sintering that can harm the substrate, the films show a high transparency at a low sheet resistance. The TEs are characterized as transparent heaters in terms of their infrared, transient thermal and electrical properties up to a working temperature of 130 deg. C. For the use in flexible electronics, an AgNW-film on a polyvinyl chloride (PVC) substrate is tested under operation for 10,000 bending cycles and shows only a slight increase in resistance.
机译:我们提出了基于溶液的银纳米线(AgNWs)的合成,其在20分钟内的短长时间内具有超过400的纵横比。在生长过程中添加氯化钾(KCl)可以调节银原子的供应,并形成无团聚且分散良好的溶液。通过简便且可扩展的沉积技术,即喷涂,将AgNW沉积到柔性或玻璃基板上的透明电极(TE)上。在没有任何可能损害基材的后处理(例如烧结)的情况下,薄膜在低薄层电阻下显示出高透明性。在高达130度的工作温度下,TE的红外,瞬态热和电特性使其具有透明加热器的特征。 C.在柔性电子产品中使用时,聚氯乙烯(PVC)基板上的AgNW膜在运行中经过10,000次弯曲测试,并且电阻仅略有增加。

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