Nanoscale defect structures advancing high performance n-type PbSe thermoelectrics

C Zhou, I Chung - Coordination Chemistry Reviews, 2020 - Elsevier
This short review discusses recent advances in n-type PbSe-based bulk thermoelectric
materials. Their performance has rapidly progressed recently and emerges as one of most …

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 …

Strategies for boosting thermoelectric performance of PbSe: A review

J Sun, Y Zhang, Y Fan, X Tang, G Tan - Chemical Engineering Journal, 2022 - Elsevier
Thermoelectric materials enable the direct conversion between waste heat and electric
energy, playing an important role in alleviating energy crisis. Many excellent thermoelectrics …

Enhancing thermoelectric performance of n-type PbSe via additional meso-scale phonon scattering

X Qian, L Zheng, Y Xiao, C Chang… - Inorganic Chemistry …, 2017 - pubs.rsc.org
The study of the lead chalcogenides system has been extended throughout the history of
thermoelectrics due to their extraordinary physical and chemical properties. Compared with …

High performance of n-type (PbS) 1-xy (PbSe) x (PbTe) y thermoelectric materials

M Zhao, C Chang, Y Xiao, LD Zhao - Journal of Alloys and Compounds, 2018 - Elsevier
Te-free PbS has been regarded as a promising alternative candidate for PbTe
thermoelectric materials due to its advances of low-cost, earth-abundant. In this work, we …

Defect engineering for high-performance n-type PbSe thermoelectrics

C Zhou, YK Lee, J Cha, B Yoo, SP Cho… - Journal of the …, 2018 - ACS Publications
Introducing structural defects such as vacancies, nanoprecipitates, and dislocations is a
proven means of reducing lattice thermal conductivity. However, these defects tend to be …

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 …

Unique Semi‐Coherent Nanostructure Advancing Thermoelectrics of N‐Type PbSe

Q Deng, F Zhang, P Nan, Z Zhang… - Advanced Functional …, 2024 - Wiley Online Library
Introducing nanostructures into bulk thermoelectric materials is an effective strategy for
reducing lattice thermal conductivity (κlat). However, large numbers of hanging bonds …

Enhanced Thermoelectric Performance of N‐Type PbSe Through Semi‐Coherent Nanostructure by AgCuTe Alloying

X Wang, C Wang, Y Wang, M Hao, S Cui, X Huang… - Small, 2024 - Wiley Online Library
N‐type PbSe thermoelectric materials encounter challenges in improving the power factor
due to the single‐band structure near the Fermi level, which obstructs typical band …

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 …