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Thermoelectric performance of nanostructured In/Pb codoped SnTe with band convergence and resonant level prepared via a green and facile hydrothermal method

文献类型：期刊论文

作者Lu, Wenqi1; He, Tiantian1; Li, Shuang1; Zuo, Xinru1; Zheng, Yao1; Lou, Xunuo1; Zhang, Jian3; Li, Di3; Liu, Jizi2; Tang, Guodong1
刊名NANOSCALE
出版日期2020-03-14
卷号12
ISSN号2040-3364
DOI10.1039/d0nr00495b
通讯作者Liu, Jizi(jzliu@njust.edu.cn) ; Tang, Guodong(tangguodong@njust.edu.cn)
英文摘要SnTe is considered as a promising alternative to the conventional high-performance thermoelectric material PbTe, which inspired the thermoelectric community for a while. Here, we design a green, facile and low-energy-intensity hydrothermal route without involving any toxic or unstable chemicals to fabricate SnTe-based thermoelectric materials. Ultralow lattice thermal conductivity and enhanced thermoelectric performance are achieved via the combination of band engineering and nanostructuring. Enhanced Seebeck coefficient and power factor are induced by converging the band structure and creating resonant levels due to Pb and In doping. More importantly, due to the reduced grain sizes, nanoparticles, and dual-atom point defect scattering, ultralow lattice thermal conductivity was obtained in the bulk samples fabricated by the hydrothermal route. Benefiting from the enhanced power factor and significantly reduced thermal conductivity, the peak ZT is enhanced to similar to 0.7 in In/Pb codoped SnTe, a 60% improvement over pure SnTe.
WOS关键词LOW THERMAL-CONDUCTIVITY ; P-TYPE ; POLYCRYSTALLINE SNSE ; TRANSPORT-PROPERTIES ; SOLID-SOLUTIONS ; POWER-FACTOR ; HIGH FIGURE ; MERIT ; PBTE ; ENHANCEMENT
资助项目National Natural Science Foundation of China[U1732153] ; Fundamental Research Funds for the Central Universities[30917011206] ; Postgraduate Research & Practice Innovation Program of Jiangsu Province[KYCX19_0290]
WOS研究方向Chemistry ; Science & Technology - Other Topics ; Materials Science ; Physics
语种英语
WOS记录号WOS:000520487300009
出版者ROYAL SOC CHEMISTRY
资助机构National Natural Science Foundation of China ; Fundamental Research Funds for the Central Universities ; Postgraduate Research & Practice Innovation Program of Jiangsu Province
源URL[http://ir.hfcas.ac.cn:8080/handle/334002/103591]  
专题中国科学院合肥物质科学研究院
通讯作者Liu, Jizi; Tang, Guodong
作者单位1.Nanjing Univ Sci & Technol, Sch Mat Sci & Engn, MIIT Key Lab Adv Metall & Intermetall Mat Technol, Nanjing 210094, Peoples R China
2.Nanjing Univ Sci & Technol, Sch Mat Sci & Engn, Mat Characterizat & Res Ctr, Nanjing 210094, Jiangsu, Peoples R China
3.Chinese Acad Sci, Inst Solid State Phys, Key Lab Mat Phys, Hefei 230031, Peoples R China
推荐引用方式
GB/T 7714		 Lu, Wenqi,He, Tiantian,Li, Shuang,et al. Thermoelectric performance of nanostructured In/Pb codoped SnTe with band convergence and resonant level prepared via a green and facile hydrothermal method[J]. NANOSCALE,2020,12.
APA Lu, Wenqi.,He, Tiantian.,Li, Shuang.,Zuo, Xinru.,Zheng, Yao.,...&Tang, Guodong.(2020).Thermoelectric performance of nanostructured In/Pb codoped SnTe with band convergence and resonant level prepared via a green and facile hydrothermal method.NANOSCALE,12.
MLA Lu, Wenqi,et al."Thermoelectric performance of nanostructured In/Pb codoped SnTe with band convergence and resonant level prepared via a green and facile hydrothermal method".NANOSCALE 12(2020).

入库方式： OAI收割

来源：合肥物质科学研究院

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