Ultralow thermal conductivity in diamondoid lattices: high thermoelectric performance in chalcopyrite Cu<sub>0.8+y</sub>Ag<sub>0.2</sub>In<sub>1−y</sub>Te<sub>2</sub>
Hongyao Xie, Shiqiang Hao, Songting Cai, Trevor P. Bailey, Ctirad Uher, Christopher Wolverton, Vinayak P. Dravid, Mercouri G. Kanatzidis
Abstract
Ag induced phonon–phonon coupling effect leads to ultralow thermal conductivity and high thermoelectric performance of diamond-like material Cu<sub>1−x</sub>Ag<sub>x</sub>InTe<sub>2</sub>.
Topics & Concepts
DiamondoidThermal conductivityThermoelectric effectDiamondMaterials scienceChalcopyriteThermoelectric materialsElectrical resistivity and conductivityPhononCondensed matter physicsSeebeck coefficientCrystallographyCopperMetallurgyChemistryPhysicsThermodynamicsComposite materialOrganic chemistryMoleculeQuantum mechanicsAdvanced Thermoelectric Materials and DevicesThermal properties of materialsChalcogenide Semiconductor Thin Films