Fig. 5: The interface microstructures and power generation performance of the segmented module. | Nature Communications

Fig. 5: The interface microstructures and power generation performance of the segmented module.

From: Lattice defect engineering advances n-type PbSe thermoelectrics

Fig. 5

a Scanning electron microscopy (SEM) images and energy dispersive spectroscopy (EDS) mapping of the PbSe/Co/Ag leg. b EDS line scan of the Co/PbSe junction. c Optimized length ratios of n-type Bi2Te3/PbSe (rn) and p-type Bi2Te3/GeTe (rp) segments determined by numerical simulation when the hot-side temperature (Th) and the cool-side temperature (Tc) are 773 and 303 K, respectively. Current-dependent d output voltage (V) and output power (P). e Heat flow (Q) and conversion efficiency (η) as a function of current.

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