Ordered grain boundary reconstruction induces high-efficiency thermoelectric power generation in SnTe
Qian Deng, Fujie Zhang, Xiaoyu Yang, Ruiheng Li, Chengliang Xia, Pengfei Nan, Yue Chen, Binghui Ge, Ran Ang, Jiaqing He
Abstract
The “ordered grain boundary reconstruction” significantly improved the thermoelectric performance of SnTe, achieving a record conversion efficiency of ∼10.5%.
Topics & Concepts
Grain boundaryMaterials scienceSeebeck coefficientThermoelectric effectPower (physics)Thermoelectric materialsEngineering physicsOptoelectronicsMetallurgyComposite materialPhysicsThermodynamicsThermal conductivityMicrostructureAdvanced Thermoelectric Materials and DevicesPhase-change materials and chalcogenidesChalcogenide Semiconductor Thin Films