| Rock-salt-type nanoprecipitates lead to high thermoelectric performance in undoped polycrystalline SnSe | |
| Tang, Guodong1; Wen, Qiang1; Yang, Teng2; Cao, Yang1; Wei, Wei1; Wang, Zhihe3; Zhang, Zhidong2; Li, Yusheng1 | |
| Corresponding Author | Tang, Guodong(tangguodong@njust.edu.cn) ; Yang, Teng() ; Wang, Zhihe(zhwang@nju.edu.cn) |
| 2017 | |
| Source Publication | RSC ADVANCES
 |
| ISSN | 2046-2069 |
| Volume | 7Issue:14Pages:8258-8263 |
| Abstract | We report a high ZT value of 1.3 at 850 K for undoped polycrystalline SnSe. The high thermoelectric performance is attributed to a synergistic combination of enhanced power factor and reduction of the lattice thermal conductivity. The presence of rock-salt cubic phase SnSe was identified by X-ray diffraction, transmission electron backscatter diffraction and selected area electron diffraction, which significantly contributes to the enhancement of electrical conductivity and power factor of orthorhombic SnSe material. This new material features a microstructural hierarchy of nanoprecipitates coupled with mesoscale microstructures which leads to a significant reduction of lattice thermal conductivity. As a result, a vast increase in ZT from 0.5 to 1.3 at 850 K was achieved. Our work sheds light on a new mechanism to enhance the thermoelectric properties of SnSe materials. |
| Funding Organization | National Natural Science Foundation of China ; Natural Science Foundation of Jiangsu Province ; Major Program of Aerospace Advanced Manufacturing Technology Research Foundation NSFC ; CASC, China ; NSFC |
| DOI | 10.1039/c7ra00140a |
| Indexed By | SCI |
| Language | 英语 |
| Funding Project | National Natural Science Foundation of China[11204134] ; Natural Science Foundation of Jiangsu Province[BK20161495] ; Major Program of Aerospace Advanced Manufacturing Technology Research Foundation NSFC ; CASC, China[U1537204] ; NSFC[51331006] |
| WOS Research Area | Chemistry |
| WOS Subject | Chemistry, Multidisciplinary |
| WOS ID | WOS:000393758700021 |
| Publisher | ROYAL SOC CHEMISTRY |
| Citation statistics | |
| Document Type | 期刊论文 |
| Identifier | http://ir.imr.ac.cn/handle/321006/123778 |
| Collection | 中国科学院金属研究所 |
| Corresponding Author | Tang, Guodong; Yang, Teng; Wang, Zhihe |
| Affiliation | 1.Nanjing Univ Sci & Technol, Dept Mat Sci & Engn, Nanjing 210094, Jiangsu, Peoples R China 2.Chinese Acad Sci, Shenyang Natl Lab Mat Sci, Inst Met Res, 72 Wenhua Rd, Shenyang 110016, Peoples R China 3.Nanjing Univ, Dept Phys, Natl Lab Solid State Microstruct, Nanjing 210093, Jiangsu, Peoples R China |
| Recommended Citation GB/T 7714 | Tang, Guodong,Wen, Qiang,Yang, Teng,et al. Rock-salt-type nanoprecipitates lead to high thermoelectric performance in undoped polycrystalline SnSe[J]. RSC ADVANCES,2017,7(14):8258-8263. |
| APA | Tang, Guodong.,Wen, Qiang.,Yang, Teng.,Cao, Yang.,Wei, Wei.,...&Li, Yusheng.(2017).Rock-salt-type nanoprecipitates lead to high thermoelectric performance in undoped polycrystalline SnSe.RSC ADVANCES,7(14),8258-8263. |
| MLA | Tang, Guodong,et al."Rock-salt-type nanoprecipitates lead to high thermoelectric performance in undoped polycrystalline SnSe".RSC ADVANCES 7.14(2017):8258-8263. |
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