Guangdong Research Center for Interfacial Engineering of Functional Materials

Grain boundary complexions stabilize Mg3Sb2-based thermoelectric devices with superior performance

Grain boundary complexions stabilize Mg 3 Sb 2 -based thermoelectric devices with superior performanceGraphical abstract Highlights • Ga-rich grain boundary complexions block Mg-diffusion channels • Mg 3 Sb 2 materials stabilize at 718 K for over 80 h• Single-leg device shows 13....