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刘洪权,楚志颖,崔洪芝,袁婷,谷亦杰,袁存辉,薛浩,王岩强.热电材料微结构调控热电输运行为的研究进展[J].稀有金属材料与工程(英文),2018,47(3):1013~1019.[liuhongquan,cuizhiying,cuihongzhi,yuanting,guyijie,yuancunhui,xuehao,wangyanqiang.Thermoelectric Behave Adjusted by Micro-structure Design of Materials[J].Rare Metal Materials and Engineering,2018,47(3):1013~1019.]
Thermoelectric Behave Adjusted by Micro-structure Design of Materials
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Received:January 23, 2016  Revised:May 06, 2016
DOI:
Key words: Thermoelectric materials  Crystal microstructure  Thermoelectric transport behave
Foundation item:山东省泰山学者计划(TS20110828), 山东省自然基金(ZR2015EM013),山东省高等学校科技计划项目(YA07)
Author NameAffiliationE-mail
liuhongquan 1山东科技大学材料科学与工程学院 15192090861@163.com 
cuizhiying 1山东科技大学材料科学与工程学院 bd930924@163.com 
cuihongzhi 1山东科技大学材料科学与工程学院  
yuanting 1山东科技大学材料科学与工程学院  
guyijie 1山东科技大学材料科学与工程学院  
yuancunhui 1山东科技大学材料科学与工程学院  
xuehao 1山东科技大学材料科学与工程学院  
wangyanqiang 1山东科技大学材料科学与工程学院  
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Abstract:
      Thermoelectric material is a kind of key material for green energy conversion and thermoelectric thechnology application. It meets bottleneck for thermoelectric material due to mutual restriction among thermoelectric properties. It provides a clear idea for the next generation of thermoelectric materials development that the material designs about microstructure collaboratively adjust thermoelectric properties. The new concepts improving the thermoelectric properties are introduced in this paper, such as "multi-scale hierarchical architecture", "electronic crystals and ionic liquid ", "lattice defect engineering", "mosaic crystal" and "anharmonic vibration". The effect of some physic and chemical process ( such as energy band adjusting, weak bond, non harmonic vibration, Nano-domain scattering, spinal decomposition, energy filtering mechanism and phase transformation) on thermoelectric transport behave are adequately decribed. The effects of microstructure parameters (such as point defect, line defect, grain boundary, nano domain and second phase) adjusting on physical parameters (such as band structure, carrier free path and lattice vibration mode) are discussed in details. The development of the next generation high performance bulk thermoelectric materials is described on the basis of current status.