Defect engineering in thermoelectric materials: what have we learned?

Y Zheng, TJ Slade, L Hu, XY Tan, Y Luo… - Chemical Society …, 2021 - pubs.rsc.org
Thermoelectric energy conversion is an all solid-state technology that relies on exceptional
semiconductor materials that are generally optimized through sophisticated strategies …

Layered materials with 2D connectivity for thermoelectric energy conversion

M Samanta, T Ghosh, S Chandra… - Journal of Materials …, 2020 - pubs.rsc.org
The current problems of decreasing fossil fuel reserves and the increasing pollution level
due to burning of these fossil fuels are expected to worsen in the future with ever increasing …

Metavalent Bonding-Mediated Dual 6s2 Lone Pair Expression Leads to Intrinsic Lattice Shearing in n-Type TlBiSe2

I Maria, R Arora, M Dutta… - Journal of the …, 2023 - ACS Publications
Metavalent bonding has attracted immense interest owing to its capacity to impart a distinct
property portfolio to materials for advanced functionality. Coupling metavalent bonding to …

Engineering ferroelectric instability to achieve ultralow thermal conductivity and high thermoelectric performance in Sn 1− x Ge x Te

A Banik, T Ghosh, R Arora, M Dutta, J Pandey… - Energy & …, 2019 - pubs.rsc.org
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 …

Defect engineering in solution-processed polycrystalline SnSe leads to high thermoelectric performance

Y Liu, M Calcabrini, Y Yu, S Lee, C Chang, J David… - ACS …, 2021 - ACS Publications
SnSe has emerged as one of the most promising materials for thermoelectric energy
conversion due to its extraordinary performance in its single-crystal form and its low-cost …

Single‐crystal SnSe thermoelectric fibers via laser‐induced directional crystallization: from 1D fibers to multidimensional fabrics

J Zhang, T Zhang, H Zhang, Z Wang, C Li… - Advanced …, 2020 - Wiley Online Library
Single‐crystal tin selenide (SnSe), a record holder of high‐performance thermoelectric
materials, enables high‐efficient interconversion between heat and electricity for power …

Enhanced band convergence and ultra‐low thermal conductivity lead to high thermoelectric performance in SnTe

R Pathak, D Sarkar, K Biswas - … Chemie International Edition, 2021 - Wiley Online Library
SnTe, a structural analogue of champion thermoelectric (TE) material PbTe, has recently
attracted wide attention for TE energy conversion. Herein, we demonstrate a co‐do** …

Germanium chalcogenide thermoelectrics: electronic structure modulation and low lattice thermal conductivity

S Roychowdhury, M Samanta, S Perumal… - Chemistry of …, 2018 - ACS Publications
Thermoelectric materials can convert untapped heat to electricity and are expected to have
an important role in future energy utilization. IV–VI metal chalcogenides are the most …

High-Performance Thermoelectric Energy Conversion: A Tale of Atomic Ordering in AgSbTe2

T Ghosh, S Roychowdhury, M Dutta… - ACS Energy …, 2021 - ACS Publications
The highly enhanced thermoelectric figure of merit, zT≈ 2.6 at 573 K, obtained recently in
Cd-doped polycrystalline AgSbTe2 by Roychowdhury et al.(Science 2021, 371, 722) brings …

Highly Converged Valence Bands and Ultralow Lattice Thermal Conductivity for High‐Performance SnTe Thermoelectrics

D Sarkar, T Ghosh, A Banik… - Angewandte Chemie …, 2020 - Wiley Online Library
A two‐step optimization strategy is used to improve the thermoelectric performance of SnTe
via modulating the electronic structure and phonon transport. The electrical transport of self …