Realizing High-Ranged Out-of-Plane ZTs in N-Type SnSe Crystals through Promoting Continuous Phase Transition
文献类型：期刊论文
| 作者 | Chang, C; Wang, DY; He, DS; He, WK; Zhu, FY; Wang, GT; He, JQ; Zhao, LD |
| 刊名 | ADVANCED ENERGY MATERIALS
 |
| 出版日期 | 2019 |
| 卷号 | 9期号:28页码:- |
| 关键词 | THERMOELECTRIC PERFORMANCE ENHANCEMENT EFFICIENCY FIGURE |
| ISSN号 | 1614-6832 |
| DOI | 10.1002/aenm.201901334 |
| 文献子类 | 期刊论文 |
| 英文摘要 | Thermoelectric technology enables direct conversion between heat and electricity. The conversion efficiency of a thermoelectric device is determined by the average dimensionless figure of merit ZT(ave). Here, a record high ZT(ave) of approximate to 1.34 in the range of 300-723 K in n-type SnSe based crystals is reported. The remarkable thermoelectric performance derives from the high power factor and the reduced thermal conductivity in the whole temperature range. The high power factor is realized by promoting the continuous phase transition in SnSe crystals through alloying PbSe, which results in a higher symmetry of the crystal structure and the correspondingly modified electronic band structure. Moreover, PbSe alloying induces mass and strain fluctuations, which enables the suppression of thermal transport. These findings provide a new strategy to enhance the thermoelectric performance for the continuous phase transition materials. |
| 语种 | 英语 |
| 源URL | [http://ir.sinap.ac.cn/handle/331007/32179]  |
| 专题 | 上海应用物理研究所_中科院上海应用物理研究所2011-2017年 |
| 作者单位 | 1.Southern Univ Sci & Technol, Shenzhen Key Lab Thermoelect Mat, Shenzhen 518055, Peoples R China; 2.Chinese Acad Sci, Shanghai Inst Appl Phys, Shanghai 201204, Peoples R China; 3.Henan Normal Univ, Coll Phys & Mat Sci, Xinxiang 453007, Henan, Peoples R China 4.Beihang Univ, Sch Mat Sci & Engn, Beijing 100191, Peoples R China; 5.Southern Univ Sci & Technol, Dept Phys, Shenzhen 518055, Peoples R China; |
| 推荐引用方式 GB/T 7714 | Chang, C,Wang, DY,He, DS,et al. Realizing High-Ranged Out-of-Plane ZTs in N-Type SnSe Crystals through Promoting Continuous Phase Transition[J]. ADVANCED ENERGY MATERIALS,2019,9(28):-. |
| APA | Chang, C.,Wang, DY.,He, DS.,He, WK.,Zhu, FY.,...&Zhao, LD.(2019).Realizing High-Ranged Out-of-Plane ZTs in N-Type SnSe Crystals through Promoting Continuous Phase Transition.ADVANCED ENERGY MATERIALS,9(28),-. |
| MLA | Chang, C,et al."Realizing High-Ranged Out-of-Plane ZTs in N-Type SnSe Crystals through Promoting Continuous Phase Transition".ADVANCED ENERGY MATERIALS 9.28(2019):-. |
入库方式： OAI收割
来源：上海应用物理研究所
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