Tuning of mechanical properties of doped PbTe-based thermoelectric materials driven by intrinsic defects

Ilya V. Chepkasov; Aleksandra D. Radina; Viktor S. Baidyshev; Mikhail S. Polovinkin; Nikita Rybin; Alexander V. Shapeev; Artem A. Krikorov; Artem R. Oganov; Z. Dashevsky; Dmitry G. Kvashnin; Alexander G. Kvashnin

doi:10.1039/d5ta00823a

January 1, 2025Journal of Materials Chemistry A

Tuning of mechanical properties of doped PbTe-based thermoelectric materials driven by intrinsic defects

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Key Points

Doping PbTe enhances its mechanical properties, reducing brittleness and improving thermoelectric efficiency.
Intrinsic and external defects impact both performance metrics, with varying effects based on their nature.
The assessment of mechanical properties is crucial for the application of thermoelectric materials in energy conversion.
Understanding defect interactions can lead to the development of superior thermoelectric materials for practical use.

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Implication

Analysis reveals how intrinsic defects influence mechanical brittleness and thermoelectric performance in PbTe, suggesting potential for improvements.

Abstract

Several types of intrinsic and external defects are commonly observed in PbTe, which influences mechanical brittleness and thermoelectric performance either positively or negatively.

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Chepkasov et al. (2025) studied this question.

synapsesocial.com/papers/68af5707ad7bf08b1eadda71 https://doi.org/10.1039/d5ta00823a

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Tuning of mechanical properties of doped PbTe-based thermoelectric materials driven by intrinsic defects

Key Points

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Abstract

Discussion

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Tuning of mechanical properties of doped PbTe-based thermoelectric materials driven by intrinsic defects

Key Points

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Implication

Abstract

Discussion

Cite This Study

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