The DOI matches its Crossref record; 31 of the 31 references it cites were found in a registry or an index.
Promoting SnTe as an Eco‐Friendly Solution for p‐PbTe Thermoelectric via Band Convergence and Interstitial Defects
Abstract
Compared to commercially available p‐type PbTe thermoelectrics, SnTe has a much bigger band offset between its two valence bands and a much higher lattice thermal conductivity, both of which limit its peak thermoelectric figure of merit, zT of only 0.4. Converging its valence bands or introducing resonant states is found to enhance the electronic properties, while nanostructuring or more recently introducing interstitial defects is found to reduce the lattice thermal conductivity. Even with an integration of some of the strategies above, existing efforts do not enable a peak zT exceeding 1.4 and usually involve Cd or Hg. In this work, a combination of band convergence and interstitial defects, each of which enables a ≈150% increase in the peak zT, successfully accumulates the zT enhancements to be ≈300% (zT up to 1.6) without involving any toxic elements. This opens new possibilities for further improvements and promotes SnTe as an environment‐friendly solution for conventional p‐PbTe thermoelectrics.
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Cites
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Self-citationEnhancement of Thermoelectric Efficiency in PbTe by Distortion of the Electronic Density of States
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Cited by
Defect engineering in thermoelectric materials: what have we learned?
Zheng, Y., Slade, T. J., Hu, L., Tan, X. Y., Luo, Y., Luo, Z.-Z., Xu, J., Yan, Q., & Kanatzidis, M. G. (2021) · Chemical Society Reviews · doi:10.1039/d1cs00347j · Cited by 482
Su, H., Lei, S., Chen, Y., Lv, Y., & Zhang, Q. (2025) · ACS Applied Materials & Interfaces · doi:10.1021/acsami.5c16158 · Cited by 4
Metadata
- Authors
- Li, W., Zheng, L., Ge, B., Lin, S., Zhang, X., Chen, Z., Chang, Y., & Pei, Y.
- Venue
- Advanced Materials
- Publisher
- Wiley
- Published
- 2017-03
- Volume
- 29
- Issue
- 17
- ISSN
- 0935-9648 (ISSN-L)
- 1521-4095
- OpenAlex
- W2592106473
- Cited by
- 432
- References
- 31
- FWCI
- 22.24
- Type
- journal article
- Language
- en
- Open access
- closed
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- Li, W., Zheng, L., Ge, B., Lin, S., Zhang, X., Chen, Z., Chang, Y., & Pei, Y. (2017). Promoting SnTe as an Eco‐Friendly Solution for p‐PbTe Thermoelectric via Band Convergence and Interstitial Defects. Advanced Materials. https://doi.org/10.1002/adma.201605887
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