Weighted Mobility Ratio Engineering for High‐Performance Bi–Te‐Based Thermoelectric Materials via Suppression of Minority Carrier Transport (Adv. Mater. 47/2021)

Abstract

Thermoelectric Materials In article number 2005931, Sung Wng Kim, Hyun-Sik Kim, Kyu Hyoung Lee, and co-workers discuss the weighted mobility ratio as an important parameter that determines the conversion efficiency of thermoelectric materials. Material design to increase the weighted mobility of majority carriers simultaneously improves the electronic and thermal transport properties of narrow-bandgap thermoelectric materials, benefiting from suppression of bipolar transport.