Improved thermoelectric performance in PbSe -AgSbSe2 by manipulating the spin-orbit coupling effects
文献类型：期刊论文
| 作者 | Duan, Sichen; Wang, Hongxiang; Liu, Guo-Qiang; Wu, Qingsong; Man, Na; Zhang, Qiang; Tan, Xiaojian; Yin, Yinong; Xiao, Yukun; Hu, Haoyang |
| 刊名 | NANO ENERGY
 |
| 出版日期 | 2020 |
| 卷号 | 78 |
| 英文摘要 | The thermoelectric performance of a semiconductor is intrinsically limited by the coupling of the transport factors, originating in the mechanism of band gap opening. Here we report the anomalous semiconductor AgSbSe2-alloyed PbSe, in which the spin-orbit coupling (SOC) induced band gap allows the decoupling of electrical conductivity and Seebeck coefficient. In such a SOC semiconductor, the decrease of lattice constant increases the band gap from 0.23 eV up to 0.5 eV, seemingly in contrast to the previously measured negative pressure coefficient of band gap. Very different thermoelectric behaviors from the pristine PbSe were observed in PbSe-AgSbSe2, and finally a high peak ZT of 1.65 at 858 K and a remarkable average ZT (300-858 K) of 0.86 were obtained. This study reveals the novel relativistic effects in PbSe-AgSbSe2 system, and its thermoelectric performance is believed to have a large potential to be further improved. |
| 源URL | [http://ir.nimte.ac.cn/handle/174433/22407]  |
| 专题 | 中国科学院宁波材料技术与工程研究所 2020专题_期刊论文 2021专题_期刊论文 |
| 作者单位 | 1.Jiang, J (corresponding author), Chinese Acad Sci, Ningbo Inst Mat Technol & Engn, Ningbo 315201, Peoples R China. 2.Liu, GQ |
| 推荐引用方式 GB/T 7714 | Duan, Sichen,Wang, Hongxiang,Liu, Guo-Qiang,et al. Improved thermoelectric performance in PbSe -AgSbSe2 by manipulating the spin-orbit coupling effects[J]. NANO ENERGY,2020,78. |
| APA | Duan, Sichen.,Wang, Hongxiang.,Liu, Guo-Qiang.,Wu, Qingsong.,Man, Na.,...&Jiang, Jun.(2020).Improved thermoelectric performance in PbSe -AgSbSe2 by manipulating the spin-orbit coupling effects.NANO ENERGY,78. |
| MLA | Duan, Sichen,et al."Improved thermoelectric performance in PbSe -AgSbSe2 by manipulating the spin-orbit coupling effects".NANO ENERGY 78(2020). |
入库方式： OAI收割
来源：宁波材料技术与工程研究所
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