Abstract
In this study, the effect of Sb incorporation on the thermoelectric transport properties of tetradymite-type Pb(Bi_2-xSb_x)Te₄ (0≤x≤1) compounds is presented. PbBi₂Te₄ (x = 0) possesses a high electron concentration of ~1.6×10²⁰/cm³ at room temperature and exhibits n-type degenerate semiconductor behavior, in which electrical conductivity decreases and negative Seebeck coefficient increases..... More

Abstract
Development new high-performance thermoelectric materials for more efficient power generation systems and eco-friendly refrigerating systems has been challenging. Over the past few decades, thermoelectric studies have been focused on increasing the thermoelectric properties of materials. However, for conventional applications, developing of thermoelectric devices or modules with lower cost and..... More

Abstract
We report the effect of interface control using multiwalled carbon nanotubes (MWCNT) on thermoelectric properties of TiO₂. By consolidating TiO₂ nanoparticles with MWCNT (0.5, 1, 2, 4, and 8 wt%) using spark plasma sintering, we prepared interface-controlled TiO₂-MWCNT nanocomposites, where TiO₂ grains were surrounded with a MWCNT network. Simultaneous control of..... More