Largely enhanced thermoelectric performance in p-type Bi<sub>2</sub>Te<sub>3</sub>-based materials through entropy engineering
Abid Ahmad, Bin Zhu, Zhongbin Wang, Zhigang Gui, Wu Wang, Tiancheng Wang, Yong Yu, Li Huang, Jiaqing He
Abstract
Entropy optimized Bi 2 Te 3 based materials achieved a high thermoelectric performance with a figure of merit of 1.7 at 450 K and a maximum conversion efficiency of 8% with a temperature gradient of 225 K.
Topics & Concepts
Figure of meritThermoelectric effectMaterials scienceEntropy (arrow of time)Temperature gradientThermoelectric materialsSpecific heatThermodynamicsPhysicsOptoelectronicsQuantum mechanicsAdvanced Thermoelectric Materials and DevicesAdvanced Thermodynamics and Statistical MechanicsThermal properties of materials