Fig. 5: Electronic band structure. | Nature Communications

Fig. 5: Electronic band structure.

From: Multiple valence bands convergence and strong phonon scattering lead to high thermoelectric performance in p-type PbSe

Fig. 5: Electronic band structure.

a Electronic band structure of Pb27Se27 (black) and Pb25AgInSe27 (red). b Electronic density of states (DOS) near the Fermi level for Pb27Se27 (black), Pb26AgSe27 (green), Pb26InSe27 (blue) and Pb25AgInSe27 (red), respectively. c Electronic band structure of Pb25AgInSe27 at 300 K and 873 K, respectively. d Temperature-dependent infrared spectra of PbSe−2% AgInSe2. e The experimental (green) and theoretical (red) bandgap (Eg) and the theoretical energy offset between VBM1 and VBM2 (ΔE1-2) and between VBM1 and VBM3 (ΔE1-3) as a function of temperature. f Temperature-dependent electronic DOS of Pb25AgInSe27 near the VBM.

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