Realizing Ultrahigh Thermoelectric Performance in n‐Type PbSe Through Lattice Planification and Introducing Liquid‐Like Cu Ions

H Pang, Y Qin, B Qin, L Yu, X Su… - Advanced Functional …, 2024 - Wiley Online Library
The coupling relationship between electrical and thermal transports makes it rather
challenging to enhance thermoelectric performance. Here, electrical and thermal transports …

Robustly Boosting Thermoelectric Performance of N‐Type PbSe via Lattice Plainification and Dynamic Doping

D Gao, Y Wen, S Bai, S Wang, S Liu, Y Li, L Wang… - Small, 2024 - Wiley Online Library
Ideal thermoelectrics shall possess a high average ZT, which relies on high carrier mobility
and appropriate carrier density at operating temperature. However, conventional doping …

Enhanced average power factor and ZT value in PbSe thermoelectric material with dual interstitial doping

L Xu, X Wang, Y Wang, Z Gao, X Ding… - Energy & Environmental …, 2024 - pubs.rsc.org
Thermoelectric materials necessitate both high power factors and ZT values in practical
applications, as they determine the output power and conversion efficiency, respectively …

Dense dislocations enable high-performance PbSe thermoelectric at low-medium temperatures

L Xu, Y Xiao, S Wang, B Cui, D Wu, X Ding… - Nature …, 2022 - nature.com
PbSe-based thermoelectric materials exhibit promising ZT values at medium temperature,
but its near-room-temperature thermoelectric properties are overlooked, thus restricting its …

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 …

Enhancing thermoelectric performance of p-type PbSe through suppressing electronic thermal transports

Z Huang, Y Zhang, H Wu, SJ Pennycook… - ACS Applied Energy …, 2019 - ACS Publications
To date, thermoelectric performance has been enhanced through improving the power factor
and/or reducing the lattice thermal conductivity. Here, we report an effective method of …

High thermoelectric performance of PbSe via a synergistic band engineering and dislocation approach

D Zhang, P He, G Liu, R Zhong, F Xu, J Yang, Y Luo… - Scripta Materialia, 2024 - Elsevier
As an attractive tellurium-free thermoelectric material, PbSe-based materials have been
intensively studied for intermediate temperature power generation. Here we show that a …

High wide-temperature-range thermoelectric performance in n-PbSe integrated with quantum dots

Q Xia, Q Zhang, Y Gong, X Huang, MF Iqbal… - Journal of Materials …, 2024 - pubs.rsc.org
PbSe has attracted much attention due to the earth-abundant element Se and low cost.
Herein, we present a peak ZT value of 1.44 and an average ZT value of approximately 1.0 in …

Complex lattice occupation of copper leading to enhanced thermoelectric performance in n-type PbSe

Y Shi, M He, M Cui, W Wang, B Ma, F Zhang… - Journal of Materials …, 2024 - pubs.rsc.org
Among mid-temperature thermoelectric materials, PbSe is deemed as a natural replacement
of PbTe owing to the much larger abundance of selenium than tellurium. Usually, extra Cu …

Multiscale structure and band configuration tuning to achieve high thermoelectric properties in n-type PbS bulks

J Yang, X Zhang, G Liu, L Zhao, J Liu, Z Shi, J Ding… - Nano Energy, 2020 - Elsevier
PbS shares several similar features with PbTe and PbSe, and it is much more earth-
abundant and inexpensive, which is characteristic of promising Te/Se-free thermoelectric …