Fig. 5: Temperature-dependent thermal transport performance of undoped and Cl doped PbSnS2 along the out-of-plane direction and theoretical calculation results.
From: Realizing high-ranged thermoelectric performance in PbSnS2 crystals
a Thermal conductivity. b Lattice thermal conductivity comparisons of n-type lead and tin chalcogenides, including Cl doped PbS polycrystal45, Br-doped SnS crystal23, Br and Cl doped SnSe crystals9,38, and PbSnS2 polycrystal35 and crystal. c Phonon dispersions spectrum. d Averaged acoustic mode comparison of typical lead and tin chalcogenides. e Grüneisen parameters, the inserted table is the average Grüneisen parameters along a, b and c directions. f Calculated ELF for PbSnS2, where the isosurface level is set as 0.95.
