fig1
![A facile <i>in-situ</i> reaction method for preparing flexible Sb<sub>2</sub>Te<sub>3</sub> thermoelectric thin films](https://image.oaes.cc/cd2423bf-3962-4e75-8469-f97a323e400e/ss3034.fig.1.jpg)
Figure 1. (A) The schematic diagram of the Sb and Te f-TFs prepared by thermal evaporation; (B) The schematic diagram of the thermal diffusion process. The Inset shows the optical image; (C) The schematic diagram of Sb2Te3 f-TF preparation through the thermal diffusion process. f-TFs: Flexible thin films.