fig2
![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.2.jpg)
Figure 2. (A) The XRD spectra of as-prepared Sb2Te3 f-TFs; (B) The enlarged (015) peaks and the corresponding calculated crystallinity; (C) The lattice parameters; (D) The full XPS spectra; (E) and (F) XPS spectra of Sb and Te, respectively. f-TFs: Flexible thin films; XPS: X-ray photoelectron spectroscopy; XRD: X-ray diffraction.