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Extraordinary Thermoelectric Performance Realized in n-Type PbTe through Multiphase Nanostructure Engineering
Zhang, Jian1,2,3; Wu, Di1,2; He, Dongsheng1,2; Feng, Dan1,2; Yin, Meijie1,2; Qin, Xiaoying3; He, Jiaqing1,2
2017-10-18
发表期刊ADVANCED MATERIALS
卷号29期号:39页码:1-7
摘要Lead telluride has long been realized as an ideal p-type thermoelectric material at an intermediate temperature range; however, its commercial applications are largely restricted by its n-type counterpart that exhibits relatively inferior thermoelectric performance. This major limitation is largely solved here, where it is reported that a record-high ZT value of approximate to 1.83 can be achieved at 773 K in n-type PbTe-4%InSb composites. This significant enhancement in thermoelectric performance is attributed to the incorporation of InSb into the PbTe matrix resulting in multiphase nanostructures that can simultaneously modulate the electrical and thermal transport. On one hand, the multiphase energy barriers between nanophases and matrix can boost the power factor in the entire temperature range via significant enhancement of the Seebeck coefficient and moderately reducing the carrier mobility. On the other hand, the strengthened interface scattering at the intensive phase boundaries yields an extremely low lattice thermal conductivity. This strategy of constructing multiphase nanostructures can also be highly applicable in enhancing the performance of other state-of-the-art thermoelectric systems.
文章类型Article
关键词Energy Filtering Nanostructure Engineering N-type Pbte Transmission Electron Microscopy Thermoelectrics
WOS标题词Science & Technology ; Physical Sciences ; Technology
资助者Technology and Innovation Commission of Shenzhen Municipality(JCYJ 201508311142508365 ; Natural Science Foundation of Guangdong Province(2015A030308001) ; Natural Science Foundation of China(11504160 ; KQCX2015033110182370) ; 51672278 ; 51632005 ; 11674322) ; Technology and Innovation Commission of Shenzhen Municipality(JCYJ 201508311142508365 ; Natural Science Foundation of Guangdong Province(2015A030308001) ; Natural Science Foundation of China(11504160 ; KQCX2015033110182370) ; 51672278 ; 51632005 ; 11674322)
DOI10.1002/adma.201703148
关键词[WOS]LOW THERMAL-CONDUCTIVITY ; SPINODAL DECOMPOSITION ; ENHANCEMENT ; STATES
收录类别SCI
语种英语
资助者Technology and Innovation Commission of Shenzhen Municipality(JCYJ 201508311142508365 ; Natural Science Foundation of Guangdong Province(2015A030308001) ; Natural Science Foundation of China(11504160 ; KQCX2015033110182370) ; 51672278 ; 51632005 ; 11674322) ; Technology and Innovation Commission of Shenzhen Municipality(JCYJ 201508311142508365 ; Natural Science Foundation of Guangdong Province(2015A030308001) ; Natural Science Foundation of China(11504160 ; KQCX2015033110182370) ; 51672278 ; 51632005 ; 11674322)
WOS研究方向Chemistry ; Science & Technology - Other Topics ; Materials Science ; Physics
WOS类目Chemistry, Multidisciplinary ; Chemistry, Physical ; Nanoscience & Nanotechnology ; Materials Science, Multidisciplinary ; Physics, Applied ; Physics, Condensed Matter
WOS记录号WOS:000412925600019
引用统计
被引频次:5[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.hfcas.ac.cn:8080/handle/334002/33819
专题中科院固体物理研究所
作者单位1.Southern Univ Sci & Technol, Shenzhen Key Lab Thermoelectr Mat, Shenzhen 518055, Peoples R China
2.Southern Univ Sci & Technol, Dept Phys, Shenzhen 518055, Peoples R China
3.Chinese Acad Sci, Key Lab Mat Phys, Inst Solid State Phys, Hefei 230031, Anhui, Peoples R China
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GB/T 7714
Zhang, Jian,Wu, Di,He, Dongsheng,et al. Extraordinary Thermoelectric Performance Realized in n-Type PbTe through Multiphase Nanostructure Engineering[J]. ADVANCED MATERIALS,2017,29(39):1-7.
APA Zhang, Jian.,Wu, Di.,He, Dongsheng.,Feng, Dan.,Yin, Meijie.,...&He, Jiaqing.(2017).Extraordinary Thermoelectric Performance Realized in n-Type PbTe through Multiphase Nanostructure Engineering.ADVANCED MATERIALS,29(39),1-7.
MLA Zhang, Jian,et al."Extraordinary Thermoelectric Performance Realized in n-Type PbTe through Multiphase Nanostructure Engineering".ADVANCED MATERIALS 29.39(2017):1-7.
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