Zinc Doping Induces Enhanced Thermoelectric Performance of Solvothermal SnTe
Article
Wang, Lijun, Shi, Xiao-Lei, Li, Lvzhou, Hong, Min, Lin, Bencai, Miao, Pengcheng, Ding, Jianning, Yuan, Ningyi, Zheng, Shuqi and Chen, Zhi-Gang. 2024. "Zinc Doping Induces Enhanced Thermoelectric Performance of Solvothermal SnTe." Chemistry: An Asian Journal. 19 (10). https://doi.org/10.1002/asia.202400130
Article Title | Zinc Doping Induces Enhanced Thermoelectric Performance of Solvothermal SnTe |
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ERA Journal ID | 35053 |
Article Category | Article |
Authors | Wang, Lijun, Shi, Xiao-Lei, Li, Lvzhou, Hong, Min, Lin, Bencai, Miao, Pengcheng, Ding, Jianning, Yuan, Ningyi, Zheng, Shuqi and Chen, Zhi-Gang |
Journal Title | Chemistry: An Asian Journal |
Journal Citation | 19 (10) |
Article Number | e202400130 |
Number of Pages | 10 |
Year | 2024 |
Publisher | John Wiley & Sons |
Place of Publication | Germany |
ISSN | 1861-471X |
1861-4728 | |
Digital Object Identifier (DOI) | https://doi.org/10.1002/asia.202400130 |
Web Address (URL) | https://onlinelibrary.wiley.com/doi/10.1002/asia.202400130 |
Abstract | The creation of hierarchical nanostructures can effectively strengthen phonon scattering to reduce lattice thermal conductivity for improving thermoelectric properties in inorganic solids. Here, we use Zn doping to induce a remarkable reduction in the lattice thermal conductivity in SnTe, approaching the theoretical minimum limit. Microstructure analysis reveals that ZnTe nanoprecipitates can embed within SnTe grains beyond the solubility limit of Zn in the Zn alloyed SnTe. These nanoprecipitates result in a substantial decrease of the lattice thermal conductivity in SnTe, leading to an ultralow lattice thermal conductivity of 0.50 W m−1 K−1 at 773 K and a peak ZT of ~0.48 at 773 K, marking an approximately 45 % enhancement compared to pristine SnTe. This study underscores the effectiveness of incorporating ZnTe nanoprecipitates in boosting the thermoelectric performance of SnTe-based materials. |
Keywords | lattice thermal conductivity |
Contains Sensitive Content | Does not contain sensitive content |
ANZSRC Field of Research 2020 | 401605. Functional materials |
Byline Affiliations | Changzhou University, China |
Queensland University of Technology | |
Yangzhou University, China | |
Centre for Future Materials | |
School of Engineering | |
China University of Petroleum, China |
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