Enhancing the thermoelectric performance of GeTe through Sb doping and nanocompositing with SiC for reduced thermal conductivity
Xiaoquan Hu, Yuxin Zhang, Yuanxin Jiang, Chubin Li, Qishuo Yang, Xiaoqiang Wang, Jiye Zhang, Shuankui Li, Kai Guo
Abstract
A combined strategy of aliovalent doping and compositing engineering was conducted in GeTe to minimize the thermal conductivity for boosting thermoelectric properties, with a zT max of 1.82 achieved for Ge 0.92 Sb 0.08 Te + 0.2 wt% SiC at 800 K.
Topics & Concepts
Thermal conductivityMaterials scienceDopingThermoelectric effectThermoelectric materialsBoosting (machine learning)ThermalOptoelectronicsComposite materialThermodynamicsComputer sciencePhysicsMachine learningAdvanced Thermoelectric Materials and DevicesPhase-change materials and chalcogenidesChalcogenide Semiconductor Thin Films