fig4

Figure 4. (A) Photograph displaying all-inorganic thermoelectric ink with viscoelastic feature; (B) Depiction of a 3D printing process; (C) Optical microscopy image, as well as a photograph, of the thermoelectric materials printed through 3D printing; (D) Photographs of the fabricated half-ring-based conformal TEG; (E) Measured voltage and power of the TEGs at different T^[61]. TEG: Thermoelectric generator.