Precision grain boundary engineering in commercial Bi<sub>2</sub>Te<sub>2.7</sub>Se<sub>0.3</sub> thermoelectric materials towards high performance
Shuankui Li, Zhongyuan Huang, Rui Wang, Chaoqi Wang, Wenguang Zhao, Ni Yang, Fusheng Liu, Jun Luo, Yinguo Xiao, Feng Pan
Abstract
Herein, we present a ALD-based grain boundary engineering to enhance the performance of commercial Bi<sub>2</sub>Te<sub>2.7</sub>Se<sub>0.3</sub> thermoelectric materials by decoupling interrelated thermoelectric parameters.
Topics & Concepts
Thermoelectric effectGrain boundaryDecoupling (probability)Thermoelectric materialsMaterials scienceEngineering physicsThermoelectric generatorMetallurgyEngineeringThermodynamicsPhysicsMicrostructureControl engineeringAdvanced Thermoelectric Materials and DevicesThermal properties of materialsPhysics of Superconductivity and Magnetism