Robust ultrathin and transparent AZO/Ag-SnO_x/AZO on polyimide substrate for flexible thin film heater with temperature over 400 °C

Zhaozhao Wang^a^,^b, Jia Li^a^,^*(

), Junjun Xu^a^,^b, Jinhua Huang^b, Ye Yang^b, Ruiqin Tan^c, Guofei Chen^b, Xingzhong Fang^b, Yue Zhao^a, Weijie Song^b^,^d^,^**(

)

Fig. 1.. Schematic diagram of the fabrication process of TFHs based on AZO/Ag-SnO_x/AZO and ITO thin films.