A Review of Tunable Wavelength Selectivity of Metamaterials in Near-Field and Far-Field Radiative Thermal Transport.
A Review of Tunable Wavelength Selectivity of Metamaterials in Near-Field and Far-Field Radiative Thermal Transport.
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DOI：
10.3390/ma11050862
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发表时间：
2018-05-22
期刊：
影响因子：
--
通讯作者：
Zheng Y
中科院分区：
文献类型：
--
作者：
Tian Y;Ghanekar A;Ricci M;Hyde M;Gregory O;Zheng Y
超材料的辐射热输运已开始在热学中发挥重要作用，并具有巨大的工程应用价值。当结构的关键特征变得与特定温度下的热波长相当时，纳米超材料的发射光谱和反射光谱都可以产生或移动窄带或宽带波长。由于近场效应的存在，辐射波长选择性现象变得非常明显。这些效应显示出在热光伏能量采集、纳米级生物传感以及在不久的将来通过辐射冷却提高能源效率方面的巨大应用前景。本文综述了近场和远场辐射换热、超材料的不同设计结构、独特的热学和光学性质的应用等方面的最新进展和展望，重点探讨了纳米超材料的辐射波长选择性可调谐问题。
Radiative thermal transport of metamaterials has begun to play a significant role in thermal science and has great engineering applications. When the key features of structures become comparable to the thermal wavelength at a particular temperature, a narrowband or wideband of wavelengths can be created or shifted in both the emission and reflection spectrum of nanoscale metamaterials. Due to the near-field effect, the phenomena of radiative wavelength selectivity become significant. These effects show strong promise for applications in thermophotovoltaic energy harvesting, nanoscale biosensing, and increased energy efficiency through radiative cooling in the near future. This review paper summarizes the recent progress and outlook of both near-field and far-field radiative heat transfer, different design structures of metamaterials, applications of unique thermal and optical properties, and focuses especially on exploration of the tunable radiative wavelength selectivity of nano-metamaterials.
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影响因子：
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作者：
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