
Sección 2 - SNTE
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SnTe及SnSe2热电性能研究-学位-万方数据知识服务平台
通过在SnTe基体中固溶具有极低晶格热导率的AgSbTe2,同时在阳离子位置引入了具有增加能带兼并作用的Ca或Mn进行取代,实现了在增加能带兼并度的同时大幅度降低了SnTe的晶格热导率,在Mn和AgSbTe2共同固溶的样品中,在室温获得最低~0.8W/m-K的晶格热导率,仅为本征 ...
Realizing high thermoelectric performance of n-type SnTe …
2025年1月1日 · High-performance n-type SnTe-based thermoelectric materials were prepared via vacuum melting and spark plasma sintering. N-type SnTe was successfully synthesized using cost-effective PbI 2 as a substitute for SnI 2. Sb doping in n-type SnTe decouples electrical conductivity and Seebeck coefficient.
Advances and Challenges in SnTe-Based Thermoelectrics
2025年1月31日 · SnTe-based thermoelectric materials have attracted significant attention for their exceptional performance in mid-to-high temperature ranges, positioning them as promising candidates for thermoelectric power generation. However, their efficiency is constrained by challenges related to electronic structure, defect chemistry, and phonon behavior.
Ultralow lattice thermal conductivity and electronic properties …
2019年4月1日 · Here, we predict and calculate two 1T (octahedral O h) phase monolayer telluride materials SnTe 2 and SiTe 2 with soft mechanics, ultralow κ L and electronic properties. The calculated in-plane Young's modulus of monolayer SnTe 2 …
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多元素掺杂优化SnTe的热电性能
SnTe作 为PbTe 的无毒同族类似物, 是一种极具潜力的中温区热电材料。 本研究采用超重力场辅助燃烧合成(HG-CS) 技术, 结合放电等离子体烧结(SPS) 制备多元素掺杂的SnTe 基热电材料, 系统研究了多元素掺杂对SnTe热电性能的影响 规律和作用机制。
<br>SnTe研究进展:一种环保且高性能的硫系热电材料,Small - X …
2024年11月30日 · 高性能热电材料的最新进展引发了人们的极大兴趣,尤其是 SnTe,这是一种既环保又具有成本效益的中温 IV 族硫属化物。 然而,与其他 IV 类硫属化物相比,提高 SnTe 的热电性能仍有很大的空间。
Thermal conductivity and enhanced thermoelectric performance of SnTe ...
2021年3月8日 · Tin chalcogenides (SnS, SnSe, and SnTe) are the emerging key thermoelectric (TE) materials with low toxicity and eco-friendly nature, which could serve as
Structural, electronic and thermoelectric properties of SnTe with ...
2023年9月5日 · To achieve high performance of thermoelectric materials, the electrical properties S 2 σ (power factor) must be maximized while keeping the thermal conductivity low. However, this remains a key challenge because S, σ, and κ E are coupled to one another.
一种双重碳包覆SnTe/CoTe<Sub>2</Sub>复合材料及其制备方法 …
2022年12月12日 · 本发明提供一种双重碳包覆SnTe/CoTe
- 某些结果已被删除