High density lath twins lead to high thermoelectric conversion efficiency in Bi<sub>2</sub>Te<sub>3</sub> modules
Qianqian Sun, Gang Wu, Xiaojian Tan, Qiang Zhang, Zhe Guo, Qiaoyan Pan, Guoqiang Liu, Peng Sun, Jiehua Wu, Jun Jiang
Abstract
By introducing the active telluride Ag 9 GaTe 6 in p-type Bi 0.4 Sb 1.6 Te 3 , lath twin boundaries are induced as differential scattering centers for carriers and phonons, leading to improved ZT values and high thermoelectric conversion efficiencies.
Topics & Concepts
Materials scienceUpgradeThermoelectric effectLathMetallurgyComputer scienceMicrostructurePhysicsThermodynamicsOperating systemMartensiteAdvanced Thermoelectric Materials and DevicesAdvanced Thermodynamics and Statistical Mechanics