Rationally optimized carrier effective mass and carrier density leads to high average <i>ZT</i> value in n-type PbSe
Yu Xiao, Wei Liu, Yang Zhang, Dongyang Wang, Haonan Shi, Sining Wang, Yang Jin, Wanbo Qu, Haijun Wu, Xiangdong Ding, Jun Sun, Li‐Dong Zhao
Abstract
In thermoelectric materials, carrier effective mass and carrier density are two key parameters to determine the electrical transport properties. Therefore, rationally optimizing these two parameters can largely enhance the power factor and ZT value.
Topics & Concepts
Charge-carrier densityEffective mass (spring–mass system)Materials scienceValue (mathematics)Carrier lifetimeCondensed matter physicsSeebeck coefficientThermoelectric effectElectron mobilityOptoelectronicsPhysicsThermodynamicsMathematicsDopingStatisticsSiliconQuantum mechanicsAdvanced Thermoelectric Materials and DevicesChalcogenide Semiconductor Thin Films2D Materials and Applications