Figure 6From: Synthesis and structure of undoped and indium-doped thermoelectric lead telluride nanoparticlesTEM images of undoped PbTe synthesized without surfactants at 140°C for 24 h with water/glycerol (3:1) solvent. (a) Low-magnification TEM image, (b) high-magnification TEM image, (c) HRTEM image of the magnified region indicated by an open box in (b), (d) SAED pattern, and (e) EDS pattern.Back to article page