Raising the solubility of Gd yields superior thermoelectric performance in n-type PbSe

Q Deng, Y Zhong, C Zhao, F Zhang, CL Xia… - Journal of Materials …, 2022 - pubs.rsc.org
Chemical doping is an indispensable means of improving the performance of thermoelectric
materials, while one bottleneck for maximizing optimization is the low solubility of dopants …

Improving the thermoelectric performance of p-type PbSe via synergistically enhancing the Seebeck coefficient and reducing electronic thermal conductivity

Z Huang, D Wang, C Li, J Wang, G Wang… - Journal of Materials …, 2020 - pubs.rsc.org
In this work, the thermoelectric performance of p-type PbSe was improved dramatically by
enhancing the Seebeck coefficient and reducing electronic thermal conductivity through …

ds-block element-enabled cooperative regulation of electrical and thermal transport for extraordinary N-and P-type PbSe thermoelectrics near room temperature

D Zhang, F Xu, L Yang, S Gao, X San… - Chemistry of …, 2022 - ACS Publications
From a practical application perspective, achieving a high thermoelectric performance for
both n and p types in one system is particularly desirable. Here, we provide a new strategy …

Doping-induced grain refinement contributes to enhanced thermoelectric performance of n-type PbSe at room temperature

C Zhao, Q Deng, W Yuan, X An, W Su, Z He… - Journal of Materials …, 2024 - pubs.rsc.org
Grain refinement is a successful strategy to depress lattice thermal conductivity and improve
the performance of thermoelectric materials, while it often requires complex processing …

Enhancing thermoelectric performance of n-type PbSe through forming solid solution with PbTe and PbS

J Sun, X Su, Y Yan, W Liu, G Tan… - ACS Applied Energy …, 2019 - ACS Publications
As an inexpensive and earth abundant analogue of PbTe, PbSe has aroused growing
attention recently as advanced thermoelectric materials. In the present report, the effect of …

Effects of La doping induced carrier concentration regulation and band structure modification on thermoelectric properties of PbSe

F Xu, D Zhang, S Gao, L Yang, X San, Z Li, X Qian… - Scripta Materialia, 2022 - Elsevier
Here, we have systematically explored the effects of rare-earth metal La doping on the
thermoelectric properties of PbSe. The results show that i) La is an effective n-type dopant to …

High-Performance n-Type PbSe–Cu2Se Thermoelectrics through Conduction Band Engineering and Phonon Softening

C Zhou, Y Yu, YK Lee, O Cojocaru-Mirédin… - Journal of the …, 2018 - ACS Publications
From a structural and economic perspective, tellurium-free PbSe can be an attractive
alternative to its more expensive isostructural analogue of PbTe for intermediate …

All-scale hierarchically structured p-type PbSe alloys with high thermoelectric performance enabled by improved band degeneracy

G Tan, S Hao, S Cai, TP Bailey, Z Luo… - Journal of the …, 2019 - ACS Publications
We show an example of hierarchically designing electronic bands of PbSe toward excellent
thermoelectric performance. We find that alloying 15 mol% PbTe into PbSe causes a …

Rationally optimized carrier effective mass and carrier density leads to high average ZT value in n-type PbSe

Y Xiao, W Liu, Y Zhang, D Wang, H Shi… - Journal of Materials …, 2021 - pubs.rsc.org
Among the intricately coupled thermoelectric parameters, carrier effective mass (m*) and
carrier density (n) are two key parameters to determine the electrical transport properties. To …

Chemical Insights into PbSe–x%HgSe: High Power Factor and Improved Thermoelectric Performance by Alloying with Discordant Atoms

JM Hodges, S Hao, JA Grovogui, X Zhang… - Journal of the …, 2018 - ACS Publications
Thermoelectric generators can convert heat directly into usable electric power but suffer from
low efficiencies and high costs, which have hindered wide-scale applications. Accordingly …