N-type thermoelectric Ag<sub>8</sub>SnSe<sub>6</sub> with extremely low lattice thermal conductivity by replacing Ag with Cu
Chao Yang, Yong Luo, Xie Li, Jiaolin Cui
Abstract
The point defects and the bond energy can be increased by replacing Ag with Cu, which have diverse effects on <italic>κ</italic><sub>L</sub> respectively, thus attaining the minimum <italic>κ</italic><sub>L</sub> ∼ 0.12 W K<sup>−1</sup> m<sup>−1</sup> at 645 K.
Topics & Concepts
Thermoelectric effectMaterials scienceThermal conductivityThermoelectric materialsCopperElectrical resistivity and conductivityLattice (music)MetallurgyAnalytical Chemistry (journal)ChemistryThermodynamicsComposite materialElectrical engineeringPhysicsEngineeringAcousticsChromatographyAdvanced Thermoelectric Materials and DevicesChalcogenide Semiconductor Thin FilmsPhase-change materials and chalcogenides