(a) Schematic of hot-rolling process for foils; (b) electron back-scattering diffraction (EBSD) image with a statistical analysis of the grain size in the rolled Ag₂Se film; (c) zoomed-in one showing dense dislocations with a statistical analysis; (d) stress versus strain of three-point bending test for the ingot and rolled film of Ag₂Se and Ag₂Se_0.9S_0.1; (e) the unchanged power factor with a statistical analysis in a 36 μm thick Ag₂Se device after 1,000,000 bending cycles at a radius of 3 mm [1]; (f) maximum power densities (P_d^max) versus ∆T for six-leg Ag₂Se, Ag₂Se_0.9S_0.1, Ag₂Se_0.8S_0.2, and Ag₂Se_0.75S_0.25 film devices. Reproduced with permission from Ref. [2]. Copyright©2024, American Chemical Society.