Charge and phonon transport in PbTe-based thermoelectric …
2018年11月1日 · In p-type PbTe, the strategies of band convergence, band alignment and density of state (DOS) distortion are more effective to achieve high electrical transport properties. By …
Enhancement of Thermoelectric Efficiency in PbTe by Distortion of …
We explored enhancing the Seebeck coefficient through a distortion of the electronic density of states and report a successful implementation through the use of the thallium impurity levels in …
Enhanced thermoelectric performance of PbTe bulk materials with …
2016年6月1日 · A maximum zT of ∼2.2 at 820 K was achieved in PbTe 0.8 Se 0.2 with 8% MgTe. High zT of ∼2.0 can also be achieved even in such a large dimension (∼200 g, ϕ 42 mm × 18 …
High ZT in p-Type (PbTe)1–2x(PbSe)x(PbS)x Thermoelectric …
2014年2月17日 · The (PbTe) 1–2x (PbSe) x (PbS) x system is an excellent platform to study phase competition between entropically driven atomic mixing (solid solution behavior) and …
High-performance in n-type PbTe-based thermoelectric materials achieved ...
2022年1月1日 · Remarkable peak ZT of ~1.5 is achieved in Pb 0.975 Cr 0.025 Te-1.5% Ag 2 Te. The development of n-type high-performance PbTe thermoelectric materials for matching its p …
High-performance thermoelectrics of p-type PbTe via synergistic ...
2023年5月1日 · Here, we report an insight that in Te-rich environment, PbTe doped with 4%Na and 2%Sn achieve the maximum zTmax of ∼2.0 at 773 K and the average zTavg between …
Performance Optimization for PbTe-Based Thermoelectric Materials
2021年10月19日 · In recent decades, the p-type PbTe has excellent performance, and the maximum value of zT can reach about 2.5 and the average of zT is about 1.4. However, the …
我系何佳清教授团队在顶级期刊上陆续发表PbTe基热电材料一系列 …
我们样品的热电优值（ZT）峰值和平均热电优值ZT ave 值都要优于文献值。 这一系列研究改善了PbTe材料体系中n型材料热电性能较低的现状，使PbTe在中温区具有极大的应用前景。
Point Defects and Grain Boundaries Effects on Electrical ... - Springer
2025年3月20日 · The dislocation-induced strains and converged bands in PbTe alloys lead to a realization of an extraordinary figure of merit zT ~ 2.5 in Na 0.03 Eu 0.03 Cd 0.03 Pb 0.91 Te …
High ZT in p-type (PbTe)1-2x(PbSe)x(PbS)x thermoelectric materials
2014年2月26日 · We observe that the thermoelectric properties of the PbTe-PbSe-PbS 2% Na doped are superior to those of 2% Na-doped PbTe-PbSe and PbTe-PbS, respectively, …