Fig. 3: Thermoelectric properties of inkjet-printed Ag2Se-based films.
From: Fully inkjet-printed Ag2Se flexible thermoelectric devices for sustainable power generation
a Temperature-dependent electrical conductivity (σ) and Seebeck coefficient (α) (x indicates the weight percentage of Ag ink added). b Room-temperature σ, α and power factor (α2σ) as a function of Ag ink content. c Room-temperature Hall carrier concentration (nH) and mobility (μH). d Seebeck coefficient as a function of carrier concentration for Ag2Se/Ag composite films. e AFM topography image of Ag2Se/15%Ag. f Surface potential map measured by KPFM. g Surface potential line scans of the interfaces between dispersed-Ag particles and Ag2Se matrix. h Energy band diagram for Ag\Ag2Se before and after contact. i Molecular dynamics calculations showing atomic exchanges between Ag and Ag2Se interface. j Comparison of the power factor of inkjet-printed films11,24,25,26,27,28,40,41,42,43.
