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March 29, 2026ACS Applied Energy Materials

Synergistic Optimization of Thermoelectric Performance of SnTe via In-Doping Induced Resonant Levels and Se/Cd-Doping Enhanced Phonon Scattering

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Authors

ZLZhongshuo LiLaboratoire de physique des SolidesTZTingting ZhangZhengzhou University of Light IndustryZLZhangheng LaiLaboratoire de physique des Solides

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Implication

Novel strategies improve thermoelectric performance in SnTe, suggesting potential for sustainable materials.

Key Points

  • To enhance the thermoelectric performance of SnTe by using In and Cd doping techniques.
  • Incorporated In2Se3 and Cd into SnTe samples.
  • Measured Seebeck coefficient across various temperatures.
  • Analyzed lattice thermal conductivity and phonon scattering characteristics.
  • Evaluated the peak zT values achieved after doping.
  • Achieved a peak zT of 1.32 at 873 K, an 89% increase from pure SnTe.
  • Reduced lattice thermal conductivity to approximately 0.49 W m–1 K–1 at 873 K.
  • Obtained an average zT of 0.66 from 303 to 873 K.

Cite This Study

Li et al. (2026) studied this question.

synapsesocial.com/papers/69c8c34bde0f0f753b39df6ehttps://doi.org/10.1021/acsaem.6c00150
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