Entropy engineering enabled atomically dispersed Cu doping leading to an exceptionally high thermoelectric figure of merit in n-type lead chalcogenides

Z Yuan, M Wu, S Han, P Liu, Z Ge, B Ge… - Energy & …, 2024 - pubs.rsc.org
High-entropy lead chalcogenides usually exhibit high ZT values at a very narrow
temperature window because the highly disordered lattice structure trades electrical …

Optimizing the thermoelectric performance of n-type PbSe through dynamic doping driven by entropy engineering

S Wu, C Li, F Chen, K Yang, C Hu, H Huang… - Journal of Materials …, 2024 - pubs.rsc.org
As an ideal candidate for PbTe, which maintains excellent performance at mid-temperature,
PbSe holds great application potential. In this work, based on an optimized dynamic doping …

Synergistically optimized electrical and thermal transport properties of SnTe via alloying high-solubility MnTe

H Wu, C Chang, D Feng, Y Xiao, X Zhang… - Energy & …, 2015 - pubs.rsc.org
Lead chalcogenides are the most efficient thermoelectric materials. In comparison, SnTe, a
lead-free analogue of PbTe, exhibits inferior thermoelectric performance due to low Seebeck …

Lattice expansion enables interstitial doping to achieve a high average ZT in n‐type PbS

Z Liu, T Hong, L Xu, S Wang, X Gao… - Interdisciplinary …, 2023 - Wiley Online Library
Lead sulfide (PbS) presents large potential in thermoelectric application due to its earth‐
abundant S element. However, its inferior average ZT (ZTave) value makes PbS less …

[HTML][HTML] Ab initio study of mechanical and thermal properties of GeTe-based and PbSe-based high-entropy chalcogenides

S Hasan, P Adhikari, S San, WY Ching - Scientific Reports, 2023 - nature.com
GeTe-based and PbSe-based high-entropy compounds have outstanding thermoelectric
(TE) performance and crucial applications in mid and high temperatures. Recently, the …

Improved Thermoelectric Performance of p-Type PbTe by Entropy Engineering and Temperature-Dependent Precipitates

M Zhang, J Cai, F Gao, Z Zhang, M Li… - … Applied Materials & …, 2023 - ACS Publications
Entropy engineering is aneffective scheme to reduce the thermal conductivity of
thermoelectric materials, but it inevitably deteriorates the carrier mobility. Here, we report the …

Silver Copper Chalcogenide Thermoelectrics: Advance, Controversy, and Perspective

NH Li, Q Zhang, XL Shi, J Jiang… - Advanced Materials, 2024 - Wiley Online Library
Thermoelectric technology, which enables a direct and pollution‐free conversion of heat into
electricity, provides a promising path to address the current global energy crisis. Among the …

Exceptionally high average power factor and thermoelectric figure of merit in n-type PbSe by the dual incorporation of Cu and Te

C Zhou, Y Yu, YL Lee, B Ge, W Lu… - Journal of the …, 2020 - ACS Publications
Thermoelectric materials with high average power factor and thermoelectric figure of merit
(ZT) has been a sought-after goal. Here, we report new n-type thermoelectric system Cu x …

[HTML][HTML] Entropy engineering promotes thermoelectric performance in p-type chalcogenides

B Jiang, Y Yu, H Chen, J Cui, X Liu, L Xie… - Nature communications, 2021 - nature.com
We demonstrate that the thermoelectric properties of p-type chalcogenides can be effectively
improved by band convergence and hierarchical structure based on a high-entropy …

Hierarchical structures lead to high thermoelectric performance in Cu m+ n Pb 100 Sb m Te 100 Se 2m (CLAST)

S Wang, Y Xiao, Y Chen, S Peng, D Wang… - Energy & …, 2021 - pubs.rsc.org
Ternary compound CuSbSe2-alloyed PbTe, CumPb100SbmTe100Se2m (CLAST), presents
outstanding n-type thermoelectric transport behavior and features hierarchical Cu-based …