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Structurally nanocrystalline electrically monocrystalline Sb2Te3 with high thermoelectric performance
Lu, Xiaofang1; Lu, Ping2; Fan, Yuchi1,3; Zhou, Weiwei4; Gu, Shijia3; Zhou, Zhenxing1; Zhang, Jie5; Su, Li1; Wang, Lianjun1; Jiang, Wan1,6,7
Corresponding AuthorFan, Yuchi(yuchifan@dhu.edu.cn) ; Wang, Lianjun(wanglj@dhu.edu.cn) ; Jiang, Wan(wanjiang@dhu.edu.cn)
2019-06-01
Source PublicationSCRIPTA MATERIALIA
ISSN1359-6462
Volume166Pages:81-86
AbstractA 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.
KeywordSb2Te3 Texture Low-angle boundary Thermoelectric properties
Funding OrganizationNatural 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
DOI10.1016/j.scriptamat.2019.03.013
Indexed BySCI
Language英语
Funding ProjectNatural 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 Research AreaScience & Technology - Other Topics ; Materials Science ; Metallurgy & Metallurgical Engineering
WOS SubjectNanoscience & Nanotechnology ; Materials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering
WOS IDWOS:000466251000018
PublisherPERGAMON-ELSEVIER SCIENCE LTD
Citation statistics
Cited Times:6[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/133306
Collection中国科学院金属研究所
Corresponding AuthorFan, Yuchi; Wang, Lianjun; Jiang, Wan
Affiliation1.Donghua Univ, Coll Mat Sci & Engn, State Key Lab Modificat Chem Fibers & Polymer Mat, Shanghai 201620, Peoples R China
2.Chinese Acad Sci, Shanghai Inst Ceram, Anal & Testing Ctr Inorgan Mat, Shanghai 200050, Peoples R China
3.Donghua Univ, Inst Funct Mat, Shanghai 201620, Peoples R China
4.Tohoku Univ, Grad Sch Engn, Dept Mat Proc, Sendai, Miyagi 9808579, Japan
5.Chinese Acad Sci, Shenyang Natl Lab Mat Sci, Inst Met Res, Shenyang 110016, Liaoning, Peoples R China
6.Jingdezhen Ceram Inst, Sch Mat Sci & Engn, Jindezhen 333000, Peoples R China
7.Minist Educ, Engn Res Ctr Adv Glass Mfg Technol, Shanghai 201620, Peoples R China
Recommended Citation
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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