Routes for advancing SnTe thermoelectrics

Z Chen, X Guo, F Zhang, Q Shi, M Tang… - Journal of Materials …, 2020 - pubs.rsc.org
Conventional PbTe-based semiconductors have been leading the developments in the
thermoelectrics community due to their rich capabilities in optimizing the electronic and …

Strategies for boosting thermoelectric performance of PbSe: A review

J Sun, Y Zhang, Y Fan, X Tang, G Tan - Chemical Engineering Journal, 2022 - Elsevier
Thermoelectric materials enable the direct conversion between waste heat and electric
energy, playing an important role in alleviating energy crisis. Many excellent thermoelectrics …

Realization of high thermoelectric figure of merit in GeTe by complementary co-doping of Bi and In

S Perumal, M Samanta, T Ghosh, US Shenoy… - Joule, 2019 - cell.com
GeTe and its derivatives have recently attracted wide attention as promising thermoelectric
materials. The principle challenge in optimizing the thermoelectric figure of merit, zT, is the …

Entropy engineering of SnTe: multi‐principal‐element alloying leading to ultralow lattice thermal conductivity and state‐of‐the‐art thermoelectric performance

L Hu, Y Zhang, H Wu, J Li, Y Li… - Advanced Energy …, 2018 - Wiley Online Library
The core effects of high entropy alloys distinguish high entropy alloying from ordinary
multielement doping, allowing for a synergy of band structure and microstructure …

Realizing N-type SnTe thermoelectrics with competitive performance through suppressing Sn vacancies

H Pang, Y Qiu, D Wang, Y Qin, R Huang… - Journal of the …, 2021 - ACS Publications
Due to the intrinsically plentiful Sn vacancies, developing n-type SnTe thermoelectric
materials is a big challenge. Herein, n-type SnTe thermoelectric materials with remarkable …

Enhanced Thermoelectric Performance in High Entropy Alloys Sn0.25Pb0.25Mn0.25Ge0.25Te

X Wang, H Yao, Z Zhang, X Li, C Chen… - … Applied Materials & …, 2021 - ACS Publications
Entropy is a physical quantity gauging the degree of chaos in the system. High entropy
alloying is thus an effective strategy to reduce the lattice thermal conductivity of the …

Zn: a versatile resonant dopant for SnTe thermoelectrics

DK Bhat, US Shenoy - Materials Today Physics, 2019 - Elsevier
SnTe-based materials have been receiving increasing heed in the field of thermoelectrics
(TEs) because of their tunable electronic structure. Until now, only In and Bi are reported to …

Bi and Zn co-doped SnTe thermoelectrics: interplay of resonance levels and heavy hole band dominance leading to enhanced performance and a record high room …

US Shenoy, DK Bhat - Journal of Materials Chemistry C, 2020 - pubs.rsc.org
Lead free SnTe with a tunable electronic structure has become the front runner in eco-
friendly thermoelectrics. Herein, we show through first-principles density functional theory …

Vanadium: a protean dopant in SnTe for augmenting its thermoelectric performance

US Shenoy, DK Bhat - ACS Sustainable Chemistry & Engineering, 2021 - ACS Publications
In this work, a second n-type resonant dopant in the form of vanadium is introduced in the
SnTe thermoelectrics family. The electronic structure simulated using density functional …

Resonance states and hyperconvergence induced by tungsten doping in SnTe: Multiband transport leading to a propitious thermoelectric material

US Shenoy, KD Goutham, DK Bhat - Journal of Alloys and Compounds, 2022 - Elsevier
Discovery of dopants which can engineer the electronic structure of the thermoelectric
materials beneficially to improve the figure of merit has been receiving a lot of attention. In …