Charge and phonon transport in PbTe-based thermoelectric materials
PbTe is a typical intermediate-temperature thermoelectric material, which has undergone
extensive developments and achieved excellent high thermoelectric performance. In this …
extensive developments and achieved excellent high thermoelectric performance. In this …
Thermoelectric power generation: from new materials to devices
Thermoelectric technology offers the opportunity of direct conversion between heat and
electricity, and new and exciting materials that can enable this technology to deliver higher …
electricity, and new and exciting materials that can enable this technology to deliver higher …
Extraordinary role of Zn in enhancing thermoelectric performance of Ga-doped n-type PbTe
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) …
PbTe has a relatively low carrier concentration (n) and high lattice thermal conductivity (κlat) …
Lattice strain advances thermoelectrics
Y Wu, Z Chen, P Nan, F Xiong, S Lin, X Zhang, Y Chen… - Joule, 2019 - cell.com
Lattice vibrations in crystalline materials generate phonons as heat carriers for heat
conduction, and the phonon dispersion (energy versus momentum) is fundamentally …
conduction, and the phonon dispersion (energy versus momentum) is fundamentally …
Weak Electron–Phonon Coupling and Enhanced Thermoelectric Performance in n‐type PbTe–Cu2Se via Dynamic Phase Conversion
This study investigates Ga‐doped n‐type PbTe thermoelectric materials and the dynamic
phase conversion process of the second phases via Cu2Se alloying. Introducing Cu2Se …
phase conversion process of the second phases via Cu2Se alloying. Introducing Cu2Se …
Power generation from nanostructured PbTe-based thermoelectrics: comprehensive development from materials to modules
In this work, we demonstrate the use of high performance nanostructured PbTe-based
materials in high conversion efficiency thermoelectric modules. We fabricated the samples of …
materials in high conversion efficiency thermoelectric modules. We fabricated the samples of …
Remarkable Roles of Cu To Synergistically Optimize Phonon and Carrier Transport in n-Type PbTe-Cu2Te
High thermoelectric performance of n-type PbTe is urgently needed to match its p-type
counterpart. Here, we show a peak ZT∼ 1.5 at 723 K and a record high average ZT> 1.0 at …
counterpart. Here, we show a peak ZT∼ 1.5 at 723 K and a record high average ZT> 1.0 at …
Realizing high performance n-type PbTe by synergistically optimizing effective mass and carrier mobility and suppressing bipolar thermal conductivity
Thermoelectric materials enable direct inter-conversion between electrical energy and
thermal energy. The conversion efficiency is limited by their complex interdependent …
thermal energy. The conversion efficiency is limited by their complex interdependent …
Excessively doped PbTe with Ge-induced nanostructures enables high-efficiency thermoelectric modules
The application of thermoelectrics in waste heat recovery requires high conversion
efficiency, which is best achieved through the combination of progressive performance …
efficiency, which is best achieved through the combination of progressive performance …
Atomic Level Defect Structure Engineering for Unusually High Average Thermoelectric Figure of Merit in n‐Type PbSe Rivalling PbTe
Realizing high average thermoelectric figure of merit (ZTave) and power factor (PFave) has
been the utmost task in thermoelectrics. Here the new strategy to independently improve …
been the utmost task in thermoelectrics. Here the new strategy to independently improve …