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	Remarkable enhancement in thermoelectric performance of bicuseo by cu deficiencies
	Liu, Yong2,3; Zhao, Li-Dong1; Liu, Yaochun4; Lan, Jinle2; Xu, Wei5; Li, Fu2; Zhang, Bo-Ping4; Berardan, David1; Dragoe, Nita1; Lin, Yuan-Hua2
刊名	Journal of the american chemical society
	2011-12-21
卷号	133期号:50页码:20112-20115
ISSN号	0002-7863
DOI	10.1021/ja2091195
通讯作者	Zhao, li-dong(zhao-lidong@hotmail.com)
英文摘要	A significant enhancement of thermoelectric performance in layered oxyselenides bicuseo was achieved. the electrical conductivity and seebeck coefficient of bicu(1-x)seo (x = 0-0.1) indicate that the carriers were introduced in the (cu(2)se(2))(2-) layer by cu deficiencies. the maximum of electrical conductivity is 3 x 10(3) s m(-1) for bicu(0.975)seo at 650 degrees c, much larger than 470 s m(-1) for pristine bicuseo. featured with very low thermal conductivity (similar to 0.5 w m(-1) k(-1)) and a large seebeck coefficient (+273 mu v k(-1)), zt at 650 degrees c is significantly increased from 0.50 for pristine bicuseo to 0.81 for bicu(0.975)seo by introducing cu deficiencies, which makes it a promising candidate for medium temperature thermoelectric applications.
WOS关键词	ELECTRONIC-STRUCTURES ; SINGLE-CRYSTALS ; MERIT ; SE ; ND ; ALLOYS ; GROWTH ; FIGURE ; ROUTE ; POWER
WOS研究方向	Chemistry
WOS类目	Chemistry, Multidisciplinary
语种	英语
出版者	AMER CHEMICAL SOC
WOS记录号	WOS:000298713600023
内容类型	期刊论文
URI标识	http://www.corc.org.cn/handle/1471x/2176188
专题	高能物理研究所
通讯作者	Zhao, Li-Dong
作者单位	1.Univ Paris 11, CNRS, UMR 8182, Inst Chim Mol & Mat Orsay,Lab Etud Mat Hors Equil, F-91405 Orsay, France 2.Tsinghua Univ, Dept Mat Sci & Engn, State Key Lab New Ceram & Fine Proc, Beijing 100084, Peoples R China 3.Univ Sci & Technol, Sch Met & Ecol Engn, Beijing 100083, Peoples R China 4.Univ Sci & Technol, Sch Mat Sci & Engn, Beijing 100083, Peoples R China 5.Chinese Acad Sci, Inst High Energy Phys, Beijing Synchrotron Radiat Facil, Beijing 100049, Peoples R China
推荐引用方式 GB/T 7714	Liu, Yong,Zhao, Li-Dong,Liu, Yaochun,et al. Remarkable enhancement in thermoelectric performance of bicuseo by cu deficiencies[J]. Journal of the american chemical society,2011,133(50):20112-20115.
APA	Liu, Yong.,Zhao, Li-Dong.,Liu, Yaochun.,Lan, Jinle.,Xu, Wei.,...&Zhu, Hongmin.(2011).Remarkable enhancement in thermoelectric performance of bicuseo by cu deficiencies.Journal of the american chemical society,133(50),20112-20115.
MLA	Liu, Yong,et al."Remarkable enhancement in thermoelectric performance of bicuseo by cu deficiencies".Journal of the american chemical society 133.50(2011):20112-20115.

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