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首页> 外文期刊>Journal of Heat Transfer >Enhanced Photon Tunneling by Surface Plasmon-Phonon Polaritons in Graphene/hBN Heterostructures
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Enhanced Photon Tunneling by Surface Plasmon-Phonon Polaritons in Graphene/hBN Heterostructures

机译：石墨烯/ hBN异质结构中的表面等离振子极化子增强光子隧穿。

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摘要

Enhancing photon tunneling probability is the key to increasing the near-field radiative heat transfer between two objects. It has been shown that hexagonal boron nitride (hBN) and graphene heterostructures can enable plentiful phononic and plasmonic resonance modes. This work demonstrates that heterostructures consisting of a monolayer graphene on an hBN film can support surface plasmon-phonon polaritons that greatly enhance the photon tunneling and outperform individual structures made of either graphene or hBN. Both the thickness of the hBN films and the chemical potential of graphene can affect the tunneling probability, offering potential routes toward passive or active control of near-field heat transfer. The results presented here may facilitate the system design for near-field energy harvesting, thermal imaging, and radiative cooling applications based on two-dimensional materials.
机译：提高光子隧穿概率是增加两个物体之间近场辐射热传递的关键。已经表明，六方氮化硼（hBN）和石墨烯异质结构可以实现多种声子和等离子体共振模式。这项工作表明，由hBN膜上的单层石墨烯组成的异质结构可以支撑表面等离振子-声子极化子，从而大大增强了光子隧穿，并且胜过了由石墨烯或hBN制成的单个结构。 hBN膜的厚度和石墨烯的化学势均会影响隧穿几率，从而为被动或主动控制近场热传递提供了潜在的途径。此处呈现的结果可能有助于基于二维材料的近场能量收集，热成像和辐射冷却应用的系统设计。

著录项

  • 来源
    《Journal of Heat Transfer》 |2017年第2期|022701.1-022701.8|共8页
  • 作者

    B.Zhao; Z. M. Zhang;

  • 作者单位

    George W. Woodruff School of Mechanical Engineering, Georgia Institute of Technology, Atlanta, GA 30332;

    George W. Woodruff School of Mechanical Engineering, Georgia Institute of Technology, Atlanta, GA 30332;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    nanoscale heat transfer; 2D materials; nanophotonics; hybrid plasmonic polaritons;

    机译：纳米级传热;2D材料;纳米光子学混合等离子体极化子;

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