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Structurally nanocrystalline electrically monocrystalline Sb2Te3 with high thermoelectric performance

文献类型：期刊论文

作者Lu, Xiaofang4; Lu, Ping5; Fan, Yuchi4,6; Zhou, Weiwei7; Gu, Shijia6; Zhou, Zhenxing4; Zhang, Jie1; Su, Li4; Wang, Lianjun4; Jiang, Wan2,3,4
刊名SCRIPTA MATERIALIA
出版日期2019-06-01
卷号166页码:81-86
关键词Sb2Te3 Texture Low-angle boundary Thermoelectric properties
ISSN号1359-6462
DOI10.1016/j.scriptamat.2019.03.013
通讯作者Fan, Yuchi(yuchifan@dhu.edu.cn) ; Wang, Lianjun(wanglj@dhu.edu.cn) ; Jiang, Wan(wanjiang@dhu.edu.cn)
英文摘要A highly textured pure Sb2Te3 is fabricated via a hydrothermal method combined with high-pressure spark plasma sintering. The nanoscale texture gives rise to an extremely low thermal conductivity in the out-of-plane direction, while shows weak influence on the carrier mobility which reaches the level of single crystal. Microstructure analysis reveals large amount of low-angle boundaries, whose discriminated effect on scattering phonons and carriers should account for the observed phenomenon. Consequently, the structurally nanocrystalline electrical monocrystalline behavior leads to a high average ZT with peak value above 1 at 525 K, which is the best TE performance for undoped Sb2Te3. (C) 2019 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.
资助项目Natural Science Foundation of China[51774096] ; Natural Science Foundation of China[51871053] ; Fundamental Research Funds for the Central Universities[2232017A-07] ; Shanghai Committee of Science and Technology[16JC1401800] ; Shanghai Committee of Science and Technology[18JC1411200] ; DHU Distinguished Young Professor Program ; Natural Science Foundation of Shanghai[17ZR1400900] ; Pujiang Talent Program[17PJ1400200]
WOS研究方向Science & Technology - Other Topics ; Materials Science ; Metallurgy & Metallurgical Engineering
语种英语
WOS记录号WOS:000466251000018
出版者PERGAMON-ELSEVIER SCIENCE LTD
资助机构Natural Science Foundation of China ; Fundamental Research Funds for the Central Universities ; Shanghai Committee of Science and Technology ; DHU Distinguished Young Professor Program ; Natural Science Foundation of Shanghai ; Pujiang Talent Program
源URL[http://ir.imr.ac.cn/handle/321006/133305]  
专题金属研究所_中国科学院金属研究所
通讯作者Fan, Yuchi; Wang, Lianjun; Jiang, Wan
作者单位1.Chinese Acad Sci, Shenyang Natl Lab Mat Sci, Inst Met Res, Shenyang 110016, Liaoning, Peoples R China
2.Jingdezhen Ceram Inst, Sch Mat Sci & Engn, Jindezhen 333000, Peoples R China
3.Minist Educ, Engn Res Ctr Adv Glass Mfg Technol, Shanghai 201620, Peoples R China
4.Donghua Univ, Coll Mat Sci & Engn, State Key Lab Modificat Chem Fibers & Polymer Mat, Shanghai 201620, Peoples R China
5.Chinese Acad Sci, Shanghai Inst Ceram, Anal & Testing Ctr Inorgan Mat, Shanghai 200050, Peoples R China
6.Donghua Univ, Inst Funct Mat, Shanghai 201620, Peoples R China
7.Tohoku Univ, Grad Sch Engn, Dept Mat Proc, Sendai, Miyagi 9808579, Japan
推荐引用方式
GB/T 7714		 Lu, Xiaofang,Lu, Ping,Fan, Yuchi,et al. Structurally nanocrystalline electrically monocrystalline Sb2Te3 with high thermoelectric performance[J]. SCRIPTA MATERIALIA,2019,166:81-86.
APA Lu, Xiaofang.,Lu, Ping.,Fan, Yuchi.,Zhou, Weiwei.,Gu, Shijia.,...&Jiang, Wan.(2019).Structurally nanocrystalline electrically monocrystalline Sb2Te3 with high thermoelectric performance.SCRIPTA MATERIALIA,166,81-86.
MLA Lu, Xiaofang,et al."Structurally nanocrystalline electrically monocrystalline Sb2Te3 with high thermoelectric performance".SCRIPTA MATERIALIA 166(2019):81-86.

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来源：金属研究所

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