Boosting thermoelectric performance of polycrystalline SnSe by controlled in-situ Ag2Se precipitates in grain boundaries

Yang, Xing; Wang, Chong-Yu; Bao, Wang-Qi; Li, Ze; Wang, Zi-Yuan; Feng, Jing; Ge, Zhen-Hua

doi:10.1016/j.jmst.2024.08.009

Journal of Materials Science & Technology

2025

DOI: 10.1016/j.jmst.2024.08.009

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Boosting thermoelectric performance of polycrystalline SnSe by controlled in-situ Ag2Se precipitates in grain boundaries

Xing Yang,

Chong-Yu Wang,

Wang-Qi Bao

et al.

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Defect Engineering Advances Thermoelectric Materials

Wu,

Shi,

Wang

et al. 2024

ACS Nano

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Defect engineering is an effective method for tuning the performance of thermoelectric materials and shows significant promise in advancing thermoelectric performance. Given the rapid progress in this research field, this Review summarizes recent advances in the application of defect engineering in thermoelectric materials, offering insights into how defect engineering can enhance thermoelectric performance. By manipulating the micro/nanostructure and chemical composition to introduce defects at various scales, the physical impacts of diverse types of defects on band structure, carrier and phonon transport behaviors, and the improvement of mechanical stability are comprehensively discussed. These findings provide more reliable and efficient solutions for practical applications of thermoelectric materials. Additionally, the development of relevant defect characterization techniques and theoretical models are explored to help identify the optimal types and densities of defects for a given thermoelectric material. Finally, the challenges faced in the conversion efficiency and stability of thermoelectric materials are highlighted and a look ahead to the prospects of defect engineering strategies in this field is presented.

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Defect Engineering Advances Thermoelectric Materials

Wu,

Shi,

Wang

et al. 2024

ACS Nano

View full text Add to dashboard Cite

show abstract

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Boosting thermoelectric performance of polycrystalline SnSe by controlled in-situ Ag2Se precipitates in grain boundaries

Cited by 1 publication

References 46 publications

Defect Engineering Advances Thermoelectric Materials

Defect Engineering Advances Thermoelectric Materials

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