Refined band structure plus enhanced phonon scattering realizes thermoelectric performance optimization in CuI–Mn codoped SnTe
Gang Wu, Zhe Guo, Qiang Zhang, Xuemei Wang, Lidong Chen, Xiaojian Tan, Peng Sun, Guoqiang Liu, Bo Yu, Jun Jiang
Abstract
CuI–Mn codoping promotes valence band convergence and enhances multiple defect-phonon scattering in SnTe, giving rise to significantly improved thermoelectric performance.
Topics & Concepts
Thermoelectric effectPhononValence bandScatteringPhonon scatteringCondensed matter physicsMaterials scienceValence (chemistry)Electronic band structureThermoelectric materialsConvergence (economics)OptoelectronicsBand gapPhysicsOpticsQuantum mechanicsEconomicsEconomic growthAdvanced Thermoelectric Materials and DevicesChalcogenide Semiconductor Thin FilmsQuantum Dots Synthesis And Properties