Recent Advances in Thermoelectrics

Dr. 魏百駿Pai-Chun Wei from AI-Mat Assistant Research Fellow

@ CCMS/PHYSICS BUILDING R212

Abstract:

Thanks to the discovery of new materials and innovating engineering strategies, the figure of merit of TE materials, zT, has been pronouncedly increased in recent years. Various vital concepts and theories have also been proposed to elucidate the extraordinary TE performance. This talk will first outline the common structural features of TE materials, along with their unusual electron and phonon transport behaviors that well satisfy the concept of“electron-crystal phonon-glass.” Next, novel strategies for improving TE performance will be highlighted, including dimension reduction, multiscale architecture, phase boundary mapping, spinodal decomposition, liquid-solid hybridization, etc. The recent progress achieved in the TE field is then summarized, with an emphasis on their unique electronic and phonon transport properties.


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