Significantly Enhanced Thermoelectric Performance of -Type MgSb via Zn Substitution on Mg(2) Site: Optimization of Hole Concentration Through Ag Doping.

-Type MgSb-based thermoelectric materials have recently garnered significant interest due to their superior thermoelectric efficiency. Yet, the advancement of -type MgSb for thermoelectric applications is impeded by its lower dimensionless figure of merit (). In this study, we demonstrate the improved thermoelectric performance of -type MgSb through the strategic optimization of Zn content and Ag doping on the Mg/Zn(2) site.

Aqueous-Solution Synthesized p-Type CuSeTeI/CuO Composite and Thermoelectric Performance of TEG Made of 6 Pairs of p-Leg CuSeTeI/CuO Composite and n-Leg InSbBi.

CuSe-based thermoelectric materials exhibit high dimensionless figure of merit () values at elevated temperatures (900-1000 K) but relatively lower values at intermediate temperatures, approximately 500 K. We synthesized a series of polycrystalline CuSeTeI/CuO composites (where = 0.00, 0.

Enhanced Thermoelectric Performance of -Type MgZnSb/Sb Composites: The Role of ZnSb/Sb Composites.

MgSb-based Zintl compounds have garnered recent attention as promising materials for thermoelectric applications due to their low thermal conductivity and high values as n-type materials. However, the values of -type materials are lower compared to their -type counterparts. Through a straightforward process involving cold pressing and evacuating-and-encapsulating sintering, we have successfully synthesized a variety of -type MgZnSb/Sb composites by adding the ZnSb-4%Sb composite into the MgSb host material.

High Performance of Post-Treated PEDOT:PSS Thin Films for Thermoelectric Power Generation Applications.

Thermoelectric materials capable of converting waste heat energy into electrical energy are enchanting for applications in wearable electronics and sensors by harvesting heat energy of the human body. Organic conducting polymers offer promise of thermoelectric materials for next-generation power sources of wearable devices due to their low cost in preparation, easy processing, low toxicity, low thermal conductivity, mechanical flexibility, light weight, and large area application. Generally, the pristine PEDOT:PSS film has low electrical conductivity, small Seebeck coefficient, and low thermal conductivity.