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July 15, 2026ACS Applied Electronic Materials

Enhanced Thermoelectric Performance of PbBi 2 Te 4 through Solid-State Lithiation

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Authors

WZWenhao ZhangSCS T ChenTXTing Xu

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Overview

Randomized trial investigates improved thermoelectric performance in PbBi2Te4, suggesting lithiation enhances efficiency.

Key Points

  • The study aims to improve the thermoelectric performance of PbBi2Te4 by reducing the carrier concentration through solid-state lithiation.
  • Investigated Ni and Se doping to modulate the carrier concentration.
  • Employed solid-state lithiation to reduce thermal conductivity.
  • Measured thermoelectric performance and figure of merit (ZT) at varying temperatures.
  • Achieved a maximum figure of merit (ZT) of 0.54 at 590 K, a 68% improvement over pristine PbBi2Te4.
  • Obtained an average ZT of 0.41 within 300–650 K, a 140% increase compared to the pristine sample.

Cite This Study

Zhang et al. (2026) studied this question.

synapsesocial.com/papers/6a57236f88b21df8754802a4https://doi.org/10.1021/acsaelm.6c00794
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