Insights into low thermal conductivity in inorganic materials for thermoelectrics

T Ghosh, M Dutta, D Sarkar… - Journal of the American …, 2022 - ACS Publications
Efficient manipulation of thermal conductivity and fundamental understanding of the
microscopic mechanisms of phonon scattering in crystalline solids are crucial to achieve …

Review of experimental approaches for improving zT of thermoelectric materials

Z Ma, J Wei, P Song, M Zhang, L Yang, J Ma… - Materials Science in …, 2021 - Elsevier
In the past years, various work has been devoted to improving the thermoelectric figure of
merit zT, and remarkable advances have been achieved. In 2019, an abnormal zT value …

Strong Antibonding I (p)–Cu (d) States Lead to Intrinsically Low Thermal Conductivity in CuBiI4

A Das, K Pal, P Acharyya, S Das, K Maji… - Journal of the …, 2023 - ACS Publications
Chemical bonding present in crystalline solids has a significant impact on how heat moves
through a lattice, and with the right chemical tuning, one can achieve extremely low thermal …

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 …

Intrinsically Ultralow Thermal Conductivity in Ruddlesden–Popper 2D Perovskite Cs2PbI2Cl2: Localized Anharmonic Vibrations and Dynamic Octahedral …

P Acharyya, T Ghosh, K Pal, K Kundu… - Journal of the …, 2020 - ACS Publications
Fundamental understanding of the correlation between chemical bonding and lattice
dynamics in intrinsically low thermal conductive crystalline solids is important to …

Intrinsically Low Thermal Conductivity in the n-Type Vacancy-Ordered Double Perovskite Cs2SnI6: Octahedral Rotation and Anharmonic Rattling

A Bhui, T Ghosh, K Pal, K Singh Rana… - Chemistry of …, 2022 - ACS Publications
Fundamental understanding of the relationship between chemical bonding, lattice dynamics,
and thermal transport is not only crucial for thermoelectrics but also essential in …

Slowing down the heat in thermoelectrics

B Qin, D Wang, LD Zhao - InfoMat, 2021 - Wiley Online Library
Heat transport has various applications in solid materials. In particular, the thermoelectric
technology provides an alternative approach to traditional methods for waste heat recovery …

High thermoelectric performance enabled by convergence of nested conduction bands in Pb7Bi4Se13 with low thermal conductivity

L Hu, YW Fang, F Qin, X Cao, X Zhao, Y Luo… - Nature …, 2021 - nature.com
Thermoelectrics enable waste heat recovery, holding promises in relieving energy and
environmental crisis. Lillianite materials have been long-term ignored due to low …

First-Principles Study of Anharmonic Lattice Dynamics in Low Thermal Conductivity : Evidence for a Large Resonant Four-Phonon Scattering

L **e, JH Feng, R Li, JQ He - Physical Review Letters, 2020 - APS
We report a study of the anharmonic lattice dynamics in low lattice thermal conductivity (κ l)
material AgCrSe 2 by many-body perturbation theory. We demonstrate surprisingly giant …

Chemical Bonding Tuned Lattice Anharmonicity Leads to a High Thermoelectric Performance in Cubic AgSnSbTe3

D Sarkar, K Dolui, V Taneja, A Ahad… - Angewandte …, 2023 - Wiley Online Library
Comprehension of chemical bonding and its intertwined relation with charge carriers and
heat propagation through a crystal lattice is imperative to design compounds for …