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 …

Current State‐of‐the‐Art in the Interface/Surface Modification of Thermoelectric Materials

S He, S Lehmann, A Bahrami… - Advanced Energy …, 2021 - Wiley Online Library
Thermoelectric (TE) materials are prominent candidates for energy converting applications
due to their excellent performance and reliability. Extensive efforts for improving their …

Ultralow lattice thermal conductivity and enhanced power generation efficiency realized in Bi2Te2. 7Se0. 3/Bi2S3 nanocomposites

YK Zhu, J Guo, YX Zhang, JF Cai, L Chen, H Liang… - Acta Materialia, 2021 - Elsevier
The decrease in lattice thermal conductivity is one of the most effective methods for
enhancing thermoelectric properties. Achieving lattice thermal conductivity close to the …

Phase interface engineering enables state-of-the-art half-Heusler thermoelectrics

Y Zhang, G Peng, S Li, H Wu, K Chen, J Wang… - Nature …, 2024 - nature.com
In thermoelectric, phase interface engineering proves effective in reducing the lattice thermal
conductivity via interface scattering and amplifying the density-of-states effective mass by …

Unraveling the Origin of Donor‐Like Effect in Bismuth–Telluride‐Based Thermoelectric Materials

F Liu, M Zhang, P Nan, X Zheng, Y Li, K Wu… - Small …, 2023 - Wiley Online Library
The donor‐like effect, depicting the uncontrollable increase of electron density that can
significantly alter the thermoelectric performance of both p‐type and n‐type polycrystalline …

Effect of powder ALD interface modification on the thermoelectric performance of bismuth

S He, A Bahrami, X Zhang, IG Martínez… - Advanced Materials …, 2022 - Wiley Online Library
In thermoelectric materials, phase boundaries are crucial for carrier/phonon transport.
Manipulation of carrier and phonon scatterings by introducing continuous interface …

Challenges and strategies to optimize the figure of merit: Keeping eyes on thermoelectric metamaterials

K Giri, YL Wang, TH Chen, CH Chen - Materials Science in Semiconductor …, 2022 - Elsevier
Thermoelectric materials have been recognized as promising materials and make a prime
contribution to converting waste heat into useful electrical energy without any further loss. In …

Precision grain boundary engineering in commercial Bi 2 Te 2.7 Se 0.3 thermoelectric materials towards high performance

S Li, Z Huang, R Wang, C Wang, W Zhao… - Journal of Materials …, 2021 - pubs.rsc.org
The strong interrelation between electrical and thermo parameters has been regarded as
one of the biggest bottlenecks to obtain high-performance thermoelectric materials …

Enhanced thermoelectric performance of PbSe-graphene nanocomposite manufactured with acoustic cavitation induced defects

C Gayner, R Sharma, I Malik, M Kumar, S Singh… - Nano Energy, 2022 - Elsevier
An order of magnitude rise in the thermoelectric (TE) performance of the PbSe, a scalable
and easy-to-manufacture TE material, has been achieved by incorporating reduced …

Highly distorted grain boundary with an enhanced carrier/phonon segregation effect facilitates high-performance thermoelectric materials

S Li, Z Huang, R Wang, W Zhao, J Luo… - … Applied Materials & …, 2021 - ACS Publications
Grain boundary plays an important role in determining the phonon/carrier transport
behaviors of thermoelectric (TE) materials, especially for the polycrystalline materials with …