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Enhanced thermoelectric performance of highly oriented polycrystalline SnSe based composites incorporated with SnTe nanoinclusions

文献类型：期刊论文

作者Guo, Haifeng; Xin, Hongxing; Qin, Xiaoying; Zhang, Jian; Li, Di; Li, Yuanyue; Song, Chunjun; Li, Cong
刊名JOURNAL OF ALLOYS AND COMPOUNDS
出版日期2016-12-25
卷号689期号:无页码:87-93
关键词Tin Selenide Nano-structured Tin Tellurium Nano-composite Thermoelectric Performance
DOI10.1016/j.jallcom.2016.07.291
文献子类Article
英文摘要Binary single crystal compound SnSe with high thermoelectric performance has drawn great attention to polycrystalline SnSe. Here, we synthesized highly oriented p-type polycrystalline composite samples f mol% SnTe/Ag0.005Sn0.995Se (f = 0, 0.5, 1 and 1.5) and present thermoelectric performance from 300 K to 900 K. High thermoelectric figure of merit (ZT) of the matrix Ag0.005Sn0.995Se should be attributed to highly oriented crystal grains along the (400) plane. Moreover, proper proportional (f = 0.5) incorporation of SnTe nanoinlusions into Ag0.005Sn0.995Se matrix enhances the power factor and reduces lattice thermal conductivity, which could be due to the contribution of enhanced phonon scattering resulting from abundant interfaces. Consequently, a largest ZT value of 1.6 +/- 0.2 is achieved at 875 K for composite sample 0.5 mol% SnTe/Ag0.005Sn0.995Se. Furthermore, these polycrystalline composites have large values of ZT (> 1) from 800 K to 900 K and good experimental repeatability, which suggests that it is a promising candidate for high temperature power generation. (C) 2016 Elsevier B.V. All rights reserved.
WOS关键词FIGURE ; MERIT ; EFFICIENCY ; PBTE ; BAND
WOS研究方向Chemistry ; Materials Science ; Metallurgy & Metallurgical Engineering
语种英语
WOS记录号WOS:000384427200014
资助机构National Natural Science Foundation of China(11374306) ; National Natural Science Foundation of China(11374306) ; National Natural Science Foundation of China(11374306) ; National Natural Science Foundation of China(11374306) ; National Natural Science Foundation of China(11374306) ; National Natural Science Foundation of China(11374306) ; National Natural Science Foundation of China(11374306) ; National Natural Science Foundation of China(11374306) ; National Natural Science Foundation of China(11374306) ; National Natural Science Foundation of China(11374306) ; National Natural Science Foundation of China(11374306) ; National Natural Science Foundation of China(11374306) ; National Natural Science Foundation of China(11374306) ; National Natural Science Foundation of China(11374306) ; National Natural Science Foundation of China(11374306) ; National Natural Science Foundation of China(11374306)
源URL[http://ir.hfcas.ac.cn/handle/334002/21318]  
专题合肥物质科学研究院_中科院固体物理研究所
中科院固体物理研究所_专题未命名
作者单位Chinese Acad Sci, Inst Solid State Phys, Key Lab Mat Phys, Hefei 230031, Peoples R China
推荐引用方式
GB/T 7714		 Guo, Haifeng,Xin, Hongxing,Qin, Xiaoying,et al. Enhanced thermoelectric performance of highly oriented polycrystalline SnSe based composites incorporated with SnTe nanoinclusions[J]. JOURNAL OF ALLOYS AND COMPOUNDS,2016,689(无):87-93.
APA Guo, Haifeng.,Xin, Hongxing.,Qin, Xiaoying.,Zhang, Jian.,Li, Di.,...&Li, Cong.(2016).Enhanced thermoelectric performance of highly oriented polycrystalline SnSe based composites incorporated with SnTe nanoinclusions.JOURNAL OF ALLOYS AND COMPOUNDS,689(无),87-93.
MLA Guo, Haifeng,et al."Enhanced thermoelectric performance of highly oriented polycrystalline SnSe based composites incorporated with SnTe nanoinclusions".JOURNAL OF ALLOYS AND COMPOUNDS 689.无(2016):87-93.

入库方式： OAI收割

来源：合肥物质科学研究院

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