Weak electron–phonon coupling and enhanced thermoelectric performance in n-type PbTe–Cu₂Se via dynamic phase conversion

• Main Authors: Wu, Ming, Cui, Hong-Hua, Cai, Songting, Hao, Shiqiang, Liu, Yukun, Bailey, Trevor P., Zhang, Yinying, Chen, Zixuan, Luo, Yubo, Uher, Ctirad, Wolverton, Christopher, Dravid, Vinayak P., Yu, Yan, Luo, Zhong-Zhen, Zou, Zhigang, Yan, Qingyu, Kanatzidis, Mercouri G.
• 其他作者: School of Materials Science and Engineering
• 格式: Article
• 語言: English
• 出版: 2023
• 主題: Engineering::Materials; Dynamic Phase Conversion; Electron–Phonon Coupling
• 在線閱讀: https://hdl.handle.net/10356/164587

This study investigates Ga-doped n-type PbTe thermoelectric materials and the dynamic phase conversion process of the second phases via Cu2Se alloying. Introducing Cu2Se enhances its electrical transport properties while reducing its lattice thermal conductivity (κlat) via weak electron–phonon coupl...