Origin of the High Performance in GeTe-Based Thermoelectric Materials upon Bi2Te3 Doping
As a lead-free material, GeTe has drawn growing attention in thermoelectrics, and a figure of
merit (ZT) close to unity was previously obtained via traditional doping/alloying, largely …
merit (ZT) close to unity was previously obtained via traditional doping/alloying, largely …
Outstanding CdSe with multiple functions leads to high performance of GeTe thermoelectrics
Y Jin, D Wang, T Hong, L Su, H Shi… - Advanced Energy …, 2022 - Wiley Online Library
Thermoelectric materials can achieve the direct conversion between electricity and heat,
which has drawn extensive attention in recent decades. Understanding the chemical nature …
which has drawn extensive attention in recent decades. Understanding the chemical nature …
Ultralow Thermal Conductivity, Enhanced Mechanical Stability, and High Thermoelectric Performance in (GeTe)1–2x(SnSe)x(SnS)x
P Acharyya, S Roychowdhury… - Journal of the …, 2020 - ACS Publications
Thermoelectric (TE) energy conversion demands high performance crystalline inorganic
solids that exhibit ultralow thermal conductivity, high mechanical stability, and good TE …
solids that exhibit ultralow thermal conductivity, high mechanical stability, and good TE …
Low thermal conductivity and high thermoelectric performance in Sb and Bi codoped GeTe: complementary effect of band convergence and nanostructuring
Complementary and beneficial effects of Sb and Bi codoping in GeTe are shown to generate
high thermoelectric figure of merit, zT, of 1.8 at 725 K in Ge1-xy Bi x Sb y Te samples. Sb and …
high thermoelectric figure of merit, zT, of 1.8 at 725 K in Ge1-xy Bi x Sb y Te samples. Sb and …
High power factor and enhanced thermoelectric performance in Sc and Bi codoped GeTe: Insights into the hidden role of rhombohedral distortion degree
Modification of crystal symmetry induced by chemical doping or alloying is well known to
optimize the charge carrier transport properties in thermoelectric materials. Historically, the …
optimize the charge carrier transport properties in thermoelectric materials. Historically, the …
High Thermoelectric Performance and Enhanced Mechanical Stability of p-type Ge1–xSbxTe
High thermoelectric figure of merit, zT, of∼ 1.85 at 725 K along with significant cyclable
temperature stability was achieved in Pb-free p-type Ge1–x Sb x Te samples through …
temperature stability was achieved in Pb-free p-type Ge1–x Sb x Te samples through …
Probing of Bi doped GeTe thermoelectrics leads to revelation of resonant states
Quest for lead free high performance mid temperature thermoelectric materials has led to
extensive research on SnTe and GeTe based materials. Among various strategies …
extensive research on SnTe and GeTe based materials. Among various strategies …
Modulating structures to decouple thermoelectric transport leads to high performance in polycrystalline SnSe
In recent years, the thermoelectric properties of SnSe crystals have been rather impressive,
while those of polycrystalline SnSe are not ideal due to the grain boundary scattering, which …
while those of polycrystalline SnSe are not ideal due to the grain boundary scattering, which …
Enhancing thermoelectric performance by Fermi level tuning and thermal conductivity degradation in (Ge1−xBix)Te crystals
In this work, a high thermoelectric figure of merit, zT of 1.9 at 740 K is achieved in Ge1−
xBixTe crystals through the concurrent of Seebeck coefficient enhancement and thermal …
xBixTe crystals through the concurrent of Seebeck coefficient enhancement and thermal …
Stepwise Ge vacancy manipulation enhances the thermoelectric performance of cubic GeSe
T Lyu, X Li, Q Yang, J Cheng, Y Zhang, C Zhang… - Chemical Engineering …, 2022 - Elsevier
In thermoelectrics, the native point defect enables the delicate balance between carrier
concentration and carrier mobility. The proper native point defect is prerequisite for the …
concentration and carrier mobility. The proper native point defect is prerequisite for the …