Highly flexible and transparent film heaters based on polyimide films embedded with silver nanowires

分类： 物理学 >> 普通物理:统计和量子力学,量子信息等 提交时间： 2017-05-08

Huang, QJ [Huang, Qijin][ 1 ] Shen, WF [Shen, Wenfeng][ 1 ] Fang, XZ [Fang, Xingzhong][ 1 ] Chen, GF [Chen, Guofei][ 1 ] Guo, JC [Guo, Junchao][ 1 ] Xu, W [Xu, Wei][ 1 ] Tan, RQ [Tan, Ruiqin][ 2 ] Song, WJ [Song, Weijie][ 1 ]

摘要： Highly flexible and transparent film heaters (TFHs) with superior mechanical and thermal stability were fabricated by embedding silver nanowires (AgNWs) into transparent polyimide (PI) films using a solution coating method. The fabricated AgNW/PI hybrid TFHs exhibited higher heating temperatures ($96 C) with lower input voltage ($6 V), shorter response time (T < 40 s), and lower power consumption (160.6 C cm2 W 1) than ITO/FTO heaters, as well as stability after repeated use. The AgNW/PI hybrid TFHs also showed excellent resistance to bending. After undergoing outer bending for a 1000 times, the change of sheet resistance was less than 18%. The effective embedment of the AgNW network in the surface of the transparent PI film not only decreased the surface roughness (Rrms < 1 nm) but also enhanced the resistance against oxidation and moisture. Potential applications of the AgNW/PI TFHs in window defogging and thermochromics are demonstrated.

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