Research / 2022 / Article / Fig 1

Research Article

Electronic Orbital Alignment and Hierarchical Phonon Scattering Enabling High Thermoelectric Performance p-Type Mg3Sb2 Zintl Compounds

Figure 1

(a) The calculated energy offset of and orbitals as a function of Zn content in Mg3-yZnySb2. (b) Schematic view of hierarchical microstructure in Mg2.95-yNa0.01ZnySb2. (c, d) Comparison of ZT values and theoretical conversion efficiency of Mg1.95Na0.01Zn1Sb2 with some representative p-type Mg3Sb2 materials [37, 39, 40, 42, 46, 47], respectively.