Fig. 2: Mechanical, and thermoelectric properties of Ag2Se network.
From: Scalable-produced 3D elastic thermoelectric network for body heat harvesting
a–c Photos (inset) and cross-section micrographs of the Ag2Se network in different states, showing the deformation of network structure under stress. d Tensile stress (σt)–strain (εt) curve and compressive stress (σc)–strain (εc) curve with corresponding resistance change (R/R0). e Cyclic σc–εc curves with strain varying from 50% to 80% (bottom left), and σt–εt curves with strain from 40% to 100% (top right). f Cyclic strain-stress curves at a maximum εc of 80% (bottom left) and a maximum εt of 100% (top right). g R/R0 upon cyclic compressing (top) and stretching (bottom) under different strain rates. h Thermoelectric performance of Ag2Se network including electrical resistivity (ρ), Seebeck coefficient (S), power factor (PF), and zT value. i Comparison of the present zT value with reported 3D flexible thermoelectric materials. The inset shows the larger version of the zT values of CNT-based materials. Error bars represent the standard deviation. Source data are provided as a Source Data file.
