Anharmonic phonon renormalization and thermoelectric properties of CsPbX<sub>3</sub> (X = Cl, Br, and I): first-principles calculations
Ziang Yao, Wei Cao, Ziyu Wang, Ling Miao, Jing Shi, Rui Xiong
Abstract
Combined with self-consistent phonon theory, we have accurately reproduced the phonon dispersion and lattice thermal conductivities of cubic CsPbX 3 .
Topics & Concepts
AnharmonicityPhononRenormalizationCondensed matter physicsThermoelectric effectLattice (music)Dispersion (optics)PhysicsThermalQuantum mechanicsThermodynamicsAcousticsPerovskite Materials and ApplicationsAdvanced Thermoelectric Materials and DevicesThermal Expansion and Ionic Conductivity