Extraordinary role of Zn in enhancing thermoelectric performance of Ga-doped n-type PbTe

ZZ Luo, S Cai, S Hao, TP Bailey, Y Luo… - Energy & …, 2022 - pubs.rsc.org
Although Ga doping can weaken the electron phonon coupling in n-type PbTe, Ga-doped
PbTe has a relatively low carrier concentration (n) and high lattice thermal conductivity (κlat) …

Discordant Gd and electronic band flattening synergistically induce high thermoelectric performance in n-type PbTe

M Dutta, RK Biswas, SK Pati, K Biswas - ACS Energy Letters, 2021 - ACS Publications
p-type PbTe is the most sought-after material in thermoelectrics due to its ultrahigh
thermoelectric figure of merit (zT), but the performance of n-type PbTe lags behind due to the …

High Figure of Merit in Gallium-Doped Nanostructured n-Type PbTe-xGeTe with Midgap States

ZZ Luo, S Cai, S Hao, TP Bailey, X Su… - Journal of the …, 2019 - ACS Publications
PbTe-based thermoelectric materials are some of the most promising for converting heat into
electricity, but their n-type versions still lag in performance the p-type ones. Here, we …

Charge and phonon transport in PbTe-based thermoelectric materials

Y Xiao, LD Zhao - npj Quantum Materials, 2018 - nature.com
PbTe is a typical intermediate-temperature thermoelectric material, which has undergone
extensive developments and achieved excellent high thermoelectric performance. In this …

High Thermoelectric Performance of p-Type PbTe Enabled by the Synergy of Resonance Scattering and Lattice Softening

T Parashchuk, B Wiendlocha… - … Applied Materials & …, 2021 - ACS Publications
In this work, we show the simultaneous enhancement of electrical transport and reduction of
phonon propagation in p-type PbTe codoped with Tl and Na. The effective use of advanced …

Realizing high performance n-type PbTe by synergistically optimizing effective mass and carrier mobility and suppressing bipolar thermal conductivity

Y Xiao, H Wu, J Cui, D Wang, L Fu, Y Zhang… - Energy & …, 2018 - pubs.rsc.org
Thermoelectric materials enable direct inter-conversion between electrical energy and
thermal energy. The conversion efficiency is limited by their complex interdependent …

Local nanostructures enhanced the thermoelectric performance of n-type PbTe

B Xiang, J Liu, J Yan, M Xia, Q Zhang, L Chen… - Journal of Materials …, 2019 - pubs.rsc.org
Microstructure control and carrier concentration engineering are effective approaches to
optimize thermal transport and electrical properties in thermoelectric materials. Hereby, we …

Subtle roles of Sb and S in regulating the thermoelectric properties of n‐type PbTe to high performance

G Tan, CC Stoumpos, S Wang… - Advanced Energy …, 2017 - Wiley Online Library
A high ZT (thermoelectric figure of merit) of≈ 1.4 at 900 K for n‐type PbTe is reported,
through modifying its electrical and thermal properties by incorporating Sb and S …

[HTML][HTML] Enhanced thermoelectric performance of PbTe bulk materials with figure of merit zT> 2 by multi-functional alloying

T Fu, X Yue, H Wu, C Fu, T Zhu, X Liu, L Hu, P Ying… - Journal of …, 2016 - Elsevier
Forming solid solutions in PbTe based materials can simultaneously reduce lattice thermal
conductivity and engineer the band structure to enhance the electrical properties. In this …

Promoting SnTe as an eco‐friendly solution for p‐PbTe thermoelectric via band convergence and interstitial defects

W Li, L Zheng, B Ge, S Lin, X Zhang, Z Chen… - Advanced …, 2017 - Wiley Online Library
Compared to commercially available p‐type PbTe thermoelectrics, SnTe has a much bigger
band offset between its two valence bands and a much higher lattice thermal conductivity …