Performance advancements in P-type TaFeSb-based thermoelectric materials through composition and composite optimizations
Raana Hatami Naderloo, Ruben Bueno Villoro, Dominique Alexander Mattlat, Pingjun Ying, Shaowei Song, Samaneh Bayesteh, Kornelius Nielsch, Christina Scheu, Zhifeng Ren, Hangtian Zhu, Siyuan Zhang, Ran He
Abstract
Modifying grain boundary chemistry boosts carrier mobility and electrical conductivity while reducing thermal conductivity via alloying and defect engineering, yielding a record-setting average zT of 1 among p-type half-Heusler thermoelectrics.
Topics & Concepts
Composite numberThermoelectric effectComposition (language)Materials scienceType (biology)Environmental scienceComposite materialGeologyPhysicsArtThermodynamicsPaleontologyLiteratureAdvanced Thermoelectric Materials and DevicesHeusler alloys: electronic and magnetic propertiesChalcogenide Semiconductor Thin Films