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Realizing High Thermoelectric Performance below Phase Transition Temperature in Polycrystalline SnSe via Lattice Anharmonicity Strengthening and Strain Engineering

文献类型：期刊论文

作者Tang, Guodong4; Liu, Jiang4; Zhang, Jian3; Li, Di3; Rara, Khurram Hussain4; Xu, Rui4; Lu, Wenqi4; Liu, Jizi2; Zhang, Yongsheng1,3; Peng, Zhenzhen1,3
刊名ACS APPLIED MATERIALS & INTERFACES
出版日期2018-09-12
卷号10期号:36页码:30558-30565
关键词SnSe thermal conductivity thermoelectric properties anharmonicity strain engineering
ISSN号1944-8244
DOI10.1021/acsami.8b10056
通讯作者Tang, Guodong(tangguodong@njust.edu.cn) ; Liu, Jizi(jzliu@njust.edu.cn) ; Zhang, Yongsheng(yshzhang@theory.issp.ac.cn)
英文摘要We report the high thermoelectric performance of p-type polycrystalline SnSe obtained below the phase transition temperature by harnessing Pb doping and introducing Sn vacancies. The enhanced carrier concentration induced by Pb doping and introducing Sn vacancies contributes to enhancements of electrical conductivity and power factor of polycrystalline SnSe. We demonstrate that the lattice anharmonicity is strengthened by Pb substitution and Sn vacancies through forming weaker bonds. We find that Pb substitution introduces huge stress field in the interior of the SnSe grains. The thermal conductivity can be greatly reduced by lattice anharmonicity strengthening and applying huge stress field. The lattice thermal conductivity is reduced to as low as 0.18 W m(-1) K-1 in the Sn0.92Pb0.03Se sample at 773 K. As a result, a remarkable high ZT of similar to 1.4 was achieved at 773 K in the Sn0.93Pb0.02Se sample through lattice anharmonicity strengthening and strain engineering.
WOS关键词N-TYPE SNSE ; LOW THERMAL-CONDUCTIVITY ; TRANSPORT-PROPERTIES ; HIGH FIGURE ; MERIT ; CRYSTALS ; AG
资助项目National Natural Science Foundation of China[U1732153] ; National Natural Science Foundation of China[11474283] ; National Natural Science Foundation of China[11774347] ; Natural Science Foundation of Jiangsu Province[BK20161495] ; Fundamental Research Funds for the Central Universities[30917011206]
WOS研究方向Science & Technology - Other Topics ; Materials Science
语种英语
WOS记录号WOS:000444793000061
出版者AMER CHEMICAL SOC
资助机构National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Natural Science Foundation of Jiangsu Province ; Natural Science Foundation of Jiangsu Province ; Natural Science Foundation of Jiangsu Province ; Natural Science Foundation of Jiangsu Province ; Natural Science Foundation of Jiangsu Province ; Natural Science Foundation of Jiangsu Province ; Natural Science Foundation of Jiangsu Province ; Natural Science Foundation of Jiangsu Province ; Natural Science Foundation of Jiangsu Province ; Natural Science Foundation of Jiangsu Province ; Natural Science Foundation of Jiangsu Province ; Natural Science Foundation of Jiangsu Province ; Natural Science Foundation of Jiangsu Province ; Natural Science Foundation of Jiangsu Province ; Natural Science Foundation of Jiangsu Province ; Natural Science Foundation of Jiangsu Province ; Fundamental Research Funds for the Central Universities ; Fundamental Research Funds for the Central Universities ; Fundamental Research Funds for the Central Universities ; Fundamental Research Funds for the Central Universities ; Fundamental Research Funds for the Central Universities ; Fundamental Research Funds for the Central Universities ; Fundamental Research Funds for the Central Universities ; Fundamental Research Funds for the Central Universities ; 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Natural Science Foundation of Jiangsu Province ; Natural Science Foundation of Jiangsu Province ; Natural Science Foundation of Jiangsu Province ; Natural Science Foundation of Jiangsu Province ; Natural Science Foundation of Jiangsu Province ; Natural Science Foundation of Jiangsu Province ; Natural Science Foundation of Jiangsu Province ; Natural Science Foundation of Jiangsu Province ; Fundamental Research Funds for the Central Universities ; Fundamental Research Funds for the Central Universities ; Fundamental Research Funds for the Central Universities ; Fundamental Research Funds for the Central Universities ; Fundamental Research Funds for the Central Universities ; Fundamental Research Funds for the Central Universities ; Fundamental Research Funds for the Central Universities ; Fundamental Research Funds for the Central Universities ; Fundamental Research Funds for the Central Universities ; Fundamental Research Funds for the Central Universities ; Fundamental Research Funds for the Central Universities ; 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Natural Science Foundation of Jiangsu Province ; Natural Science Foundation of Jiangsu Province ; Natural Science Foundation of Jiangsu Province ; Natural Science Foundation of Jiangsu Province ; Natural Science Foundation of Jiangsu Province ; Natural Science Foundation of Jiangsu Province ; Natural Science Foundation of Jiangsu Province ; Natural Science Foundation of Jiangsu Province ; Natural Science Foundation of Jiangsu Province ; Natural Science Foundation of Jiangsu Province ; Natural Science Foundation of Jiangsu Province ; Natural Science Foundation of Jiangsu Province ; Natural Science Foundation of Jiangsu Province ; Natural Science Foundation of Jiangsu Province ; Natural Science Foundation of Jiangsu Province ; Natural Science Foundation of Jiangsu Province ; Fundamental Research Funds for the Central Universities ; Fundamental Research Funds for the Central Universities ; Fundamental Research Funds for the Central Universities ; Fundamental Research Funds for the Central Universities ; 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源URL[http://ir.hfcas.ac.cn:8080/handle/334002/38889]  
专题合肥物质科学研究院_中科院固体物理研究所
中科院固体物理研究所_专题未命名
通讯作者Tang, Guodong; Liu, Jizi; Zhang, Yongsheng
作者单位1.Univ Sci & Technol China, Sci Isl Branch Grad Sch, Hefei 230026, Anhui, Peoples R China
2.Nanjing Univ Sci & Technol, Sch Mat Sci & Engn, Herbert Gleiter Inst Nanosci, Nanjing 210094, Jiangsu, Peoples R China
3.Chinese Acad Sci, Inst Solid State Phys, Key Lab Mat Phys, Hefei 230031, Anhui, Peoples R China
4.Nanjing Univ Sci & Technol, MIIT Key Lab Adv Metall & Intermetall Mat Technol, Nanjing 210094, Jiangsu, Peoples R China
推荐引用方式
GB/T 7714		 Tang, Guodong,Liu, Jiang,Zhang, Jian,et al. Realizing High Thermoelectric Performance below Phase Transition Temperature in Polycrystalline SnSe via Lattice Anharmonicity Strengthening and Strain Engineering[J]. ACS APPLIED MATERIALS & INTERFACES,2018,10(36):30558-30565.
APA Tang, Guodong.,Liu, Jiang.,Zhang, Jian.,Li, Di.,Rara, Khurram Hussain.,...&Peng, Zhenzhen.(2018).Realizing High Thermoelectric Performance below Phase Transition Temperature in Polycrystalline SnSe via Lattice Anharmonicity Strengthening and Strain Engineering.ACS APPLIED MATERIALS & INTERFACES,10(36),30558-30565.
MLA Tang, Guodong,et al."Realizing High Thermoelectric Performance below Phase Transition Temperature in Polycrystalline SnSe via Lattice Anharmonicity Strengthening and Strain Engineering".ACS APPLIED MATERIALS & INTERFACES 10.36(2018):30558-30565.

入库方式： OAI收割

来源：合肥物质科学研究院

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