Regulation of Ge vacancies through Sm doping resulting in superior thermoelectric performance in GeTe
T Zhang, S Deng, X Zhao, X Ruan, N Qi… - Journal of Materials …, 2022 - pubs.rsc.org
A high thermoelectric figure of merit ZT of 2.5 at 730 K is achieved in p-type Ge1− xSmxTe
through synergetic optimization of electrical and thermal transport properties. Sm doping …
through synergetic optimization of electrical and thermal transport properties. Sm doping …
Modulating the valence of Ga and the deep level impurity for high thermoelectric performance of n-type Pb0. 98Ga0. 02Te1-xSex compounds
It has been found that the doped Ga has a distinct role in PbTe and PbSe compounds
though they possess the same crystal structure. Therefore, to understand how the …
though they possess the same crystal structure. Therefore, to understand how the …
Crystal structure and atomic vacancy optimized thermoelectric properties in gadolinium selenides
Thermoelectric materials enable the energy conversion of waste heat into electricity, helpful
to relieve global energy crisis. Here, we report a systematic investigation on high …
to relieve global energy crisis. Here, we report a systematic investigation on high …
Engineering ferroelectric instability to achieve ultralow thermal conductivity and high thermoelectric performance in Sn 1− x Ge x Te
High thermoelectric performance of a crystalline solid requires it to have low thermal
conductivity which is one of the utmost material challenges. Herein, we demonstrate how the …
conductivity which is one of the utmost material challenges. Herein, we demonstrate how the …
Realizing high thermoelectric performance in GeTe through optimizing Ge vacancies and manipulating Ge precipitates
Recent vast reinvestigations on GeTe, a promising thermoelectric material at medium
temperature, have triggered enormous enthusiasm in the thermoelectric community again …
temperature, have triggered enormous enthusiasm in the thermoelectric community again …
Superior performance and high service stability for GeTe-based thermoelectric compounds
GeTe-based compounds have been intensively studied recently due to their superior
thermoelectric performance, but their real applications are still limited so far due to the …
thermoelectric performance, but their real applications are still limited so far due to the …
Band Modulation and Strain Fluctuation for Realizing High Average zT in GeTe
X Wang, H Yao, L Yin, W Xue, Z Zhang… - Advanced Energy …, 2022 - Wiley Online Library
Recently, GeTe has emerged as a very promising thermoelectric material. However, the
pristine GeTe exhibits intrinsically low Seebeck coefficient and high thermal conductivity …
pristine GeTe exhibits intrinsically low Seebeck coefficient and high thermal conductivity …
Decoupling Carrier-Phonon Scattering Boosts the Thermoelectric Performance of n-Type GeTe-Based Materials
The coupled relationship between carrier and phonon scattering severely limits the
thermoelectric performance of n-type GeTe materials. Here, we provide an efficient strategy …
thermoelectric performance of n-type GeTe materials. Here, we provide an efficient strategy …
Improved solubility in metavalently bonded solid leads to band alignment, ultralow thermal conductivity, and high thermoelectric performance in SnTe
SnTe is an emerging Pb‐free thermoelectric compound that has drawn significant attention
for clean energy conversion. Chemical doping is routinely used to tailor its charge carrier …
for clean energy conversion. Chemical doping is routinely used to tailor its charge carrier …
Achieving High Thermoelectric Performance of Eco-Friendly SnTe-Based Materials by Selective Alloying and Defect Modulation
Recently, rock-salt lead-free chalcogenide SnTe-based thermoelectric (TE) materials have
been considered an alternative to PbTe because of the nontoxic properties of Sn as …
been considered an alternative to PbTe because of the nontoxic properties of Sn as …