中国物理B ›› 2018, Vol. 27 ›› Issue (3): 35101-035101.doi: 10.1088/1674-1056/27/3/035101

所属专题： TOPICAL REVIEW — Thermal and thermoelectric properties of nano materials

• TOPIC REVIEW—Thermal and thermoelectric properties of nano materials • 上一篇    下一篇

Thermal conductivity of nanowires

Zhongwei Zhang(张忠卫), Jie Chen(陈杰)   

  1. 1 Center for Phononics and Thermal Energy Science, School of Physics Science and Engineering and Institute for Advanced Study, Tongji University, Shanghai 200092, China;
    2 China-EU Joint Lab for Nanophononics, School of Physics Science and Engineering, Tongji University, Shanghai 200092, China;
    3 Shanghai Key Laboratory of Special Artificial Microstructure Materials and Technology, School of Physics Science and Engineering, Tongji University, Shanghai 200092, China
  • 收稿日期:2017-10-12 修回日期:2017-11-29 出版日期:2018-03-05 发布日期:2018-03-05
  • 通讯作者: Jie Chen E-mail:jie@tongji.edu.cn
  • 基金资助:
    Project supported by the National Key Research and Development Program of China (Grant No. 2017YFB0406000), the National Natural Science Foundation of China (Grant Nos. 51506153 and 11334007), the Science and Technology Commission of Shanghai Municipality, China (Grant No. 17ZR1448000), and the National Youth 1000 Talents Program in China and the Startup Grant at Tongji University, China.

Thermal conductivity of nanowires

Zhongwei Zhang(张忠卫)1,2,3, Jie Chen(陈杰)1,2,3   

  1. 1 Center for Phononics and Thermal Energy Science, School of Physics Science and Engineering and Institute for Advanced Study, Tongji University, Shanghai 200092, China;
    2 China-EU Joint Lab for Nanophononics, School of Physics Science and Engineering, Tongji University, Shanghai 200092, China;
    3 Shanghai Key Laboratory of Special Artificial Microstructure Materials and Technology, School of Physics Science and Engineering, Tongji University, Shanghai 200092, China
  • Received:2017-10-12 Revised:2017-11-29 Online:2018-03-05 Published:2018-03-05
  • Contact: Jie Chen E-mail:jie@tongji.edu.cn
  • Supported by:
    Project supported by the National Key Research and Development Program of China (Grant No. 2017YFB0406000), the National Natural Science Foundation of China (Grant Nos. 51506153 and 11334007), the Science and Technology Commission of Shanghai Municipality, China (Grant No. 17ZR1448000), and the National Youth 1000 Talents Program in China and the Startup Grant at Tongji University, China.

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摘要： Thermal conductivity of nanowires (NWs) is a crucial criterion to assess the operating performance of NWs-based device applications, such as in the field of heat dissipation, thermal management, and thermoelectrics. Therefore, numerous research interests have been focused on controlling and manipulating thermal conductivity of one-dimensional materials in the past decade. In this review, we summarize the state-of-the-art research status on thermal conductivity of NWs from both experimental and theoretical studies. Various NWs are included, such as Si, Ge, Bi, Ti, Cu, Ag, Bi2Te3, ZnO, AgTe, and their hybrids. First, several important size effects on thermal conductivity of NWs are discussed, such as the length, diameter, orientation, and cross-section. Then, we introduce diverse nanostructuring pathways to control the phonons and thermal transport in NWs, such as alloy, superlattices, core-shell structure, porous structure, resonant structure, and kinked structure. Distinct thermal transport behaviors and the associated underlying physical mechanisms are presented. Finally, we outline the important potential applications of NWs in the fields of thermoelectrics and thermal management, and provide an outlook.

关键词: thermal conductivity, nanowires, thermal management, thermoelectrics

Abstract: Thermal conductivity of nanowires (NWs) is a crucial criterion to assess the operating performance of NWs-based device applications, such as in the field of heat dissipation, thermal management, and thermoelectrics. Therefore, numerous research interests have been focused on controlling and manipulating thermal conductivity of one-dimensional materials in the past decade. In this review, we summarize the state-of-the-art research status on thermal conductivity of NWs from both experimental and theoretical studies. Various NWs are included, such as Si, Ge, Bi, Ti, Cu, Ag, Bi2Te3, ZnO, AgTe, and their hybrids. First, several important size effects on thermal conductivity of NWs are discussed, such as the length, diameter, orientation, and cross-section. Then, we introduce diverse nanostructuring pathways to control the phonons and thermal transport in NWs, such as alloy, superlattices, core-shell structure, porous structure, resonant structure, and kinked structure. Distinct thermal transport behaviors and the associated underlying physical mechanisms are presented. Finally, we outline the important potential applications of NWs in the fields of thermoelectrics and thermal management, and provide an outlook.

Key words: thermal conductivity, nanowires, thermal management, thermoelectrics

中图分类号:  (Viscosity, diffusion, and thermal conductivity)

  • 51.20.+d
81.07.Gf (Nanowires) 44.10.+i (Heat conduction) 73.50.Lw (Thermoelectric effects)