Recent advances in SnSe nanostructures beyond thermoelectricity

F Li, H Wang, R Huang, W Chen… - Advanced Functional …, 2022 - Wiley Online Library
Layered SnSe is an emerging class of black phosphorus, which is non‐toxic, eco‐friendly,
and chemically stable. Recently, SnSe nanostructures have triggered more research interest …

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 …

Mechanically induced highly efficient hydrogen evolution from water over piezoelectric SnSe nanosheets

S Li, Z Zhao, J Li, H Liu, M Liu, Y Zhang, L Su… - Small, 2022 - Wiley Online Library
Piezoelectric nanomaterials open new avenues in driving green catalysis processes (eg, H2
evolution from water) through harvesting mechanical energy, but their catalytic efficiency is …

Soft anharmonic phonons and ultralow thermal conductivity in Mg3(Sb, Bi)2 thermoelectrics

J Ding, T Lanigan-Atkins, M Calderón-Cueva… - Science …, 2021 - science.org
The candidate thermoelectric compounds Mg3Sb2 and Mg3Bi2 show excellent performance
near ambient temperature, enabled by an anomalously low lattice thermal conductivity (κl) …

Strongly Anharmonic Phonons and Their Role in Superionic Diffusion and Ultralow Thermal Conductivity of Cu7PSe6

MK Gupta, J Ding, D Bansal… - Advanced Energy …, 2022 - Wiley Online Library
The quest for advanced superionic materials requires understanding their complex atomic
dynamics, but detailed studies of the interplay between lattice vibrations and ionic diffusion …

[HTML][HTML] Intrinsic nanostructure induced ultralow thermal conductivity yields enhanced thermoelectric performance in Zintl phase Eu2ZnSb2

C Chen, Z Feng, H Yao, F Cao, BH Lei, Y Wang… - Nature …, 2021 - nature.com
Abstract The Zintl thermoelectric phase Eu2ZnSb2 has a remarkable combination of high
mobility and low thermal conductivity that leads to good thermoelectric performance. The key …

Origins of three‐dimensional charge and two‐dimensional phonon transports in Pnma phase PbSnSe2 thermoelectric crystal

T Wang, X Duan, H Zhang, J Ma, H Zhu, X Qian… - InfoMat, 2023 - Wiley Online Library
Recently, PbSnSe2 alloy was found to exhibit a large hysteresis effect on transport
properties, demonstrating its significant potential for thermoelectric applications. Using ab …

Optical phonon dominated heat transport: A first-principles thermal conductivity study of

Z Li, H Xie, S Hao, Y Xia, X Su, MG Kanatzidis… - Physical Review B, 2021 - APS
Acoustic phonons with long mean free paths have long been believed to control the lattice
thermal conductivity κ L in solids dominantly. In this study, however, we demonstrate an …

[HTML][HTML] The curious case of the structural phase transition in SnSe insights from neutron total scattering

B Jiang, J Neu, D Olds, SAJ Kimber, K Page… - Nature …, 2023 - nature.com
At elevated temperatures SnSe is reported to undergo a structural transition from the low
symmetry orthorhombic GeS-type to a higher symmetry orthorhombic TlI-type. Although …

Nonthermal bonding origin of a novel photoexcited lattice instability in SnSe

Y Huang, S Teitelbaum, S Yang, G De la Peña… - Physical Review Letters, 2023 - APS
Lattice dynamics measurements are often crucial tools for understanding how materials
transform between different structures. We report time-resolved x-ray scattering-based …