fig2
![Advances in printing techniques for thermoelectric materials and devices](https://image.oaes.cc/939d1519-dd22-4b7e-b4b2-916fec41ef0b/ss3020.fig.2.jpg)
Figure 2. (A) Fabrication process of inkjet printing to produce TEGs[83]; (B) Photograph of an inkjet-printed thermoelectric device consisting of 20 silver and graphene legs[84]; (C) SEM images of Ag2Te films sintered at 673 K; Temperature-dependent (D) σ and (E) S of printed AgxTe films with different Ag ratios sintered at 673 K[83]; (F) Measured power and voltage as a function of the current at different T; (G) Photograph of a wearable flexible TEG fabricated by inkjet printing; (H) Measured temperature and voltage when wearing on the wrist[83]. SEM: Scanning electron microscope; TEG: thermoelectric generator.