Unified contact layer design for highly efficient segmented PbTe/Bi <sub>2</sub> Te <sub>3</sub> thermoelectric devices
Linmao Wen, Li Yin, Xiaofang Li, Shanghao Chen, Tianyu Zhang, Jinxuan Cheng, Baopeng Ma, Yunzi Ren, Liming Xiao, Jun Mao, Feng Cao, Qian Zhang
Abstract
We demonstrate the design of unified contact materials guided by thermodynamic analysis. PbTe/Bi 2 Te 3 segmented devices fabricated via a single-step sintering process achieved a high η of 13.5% (Δ T = 500 K).
Topics & Concepts
Materials scienceProcess (computing)SinteringThermoelectric effectLayer (electronics)OptoelectronicsThermoelectric coolingThermoelectric generatorThermoelectric materialsFabricationWork (physics)Mechanical engineeringEngineering physicsElectronic engineeringElectrical contactsMaterial propertiesProcess controlAdvanced Thermoelectric Materials and DevicesAdvanced Thermodynamics and Statistical Mechanics