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Photonic structures in radiative cooling

         

摘要

Radiative cooling is a passive cooling technology without any energy consumption,compared to conventional cooling technologies that require power sources and dump waste heat into the surroundings.For decades,many radiative cooling studies have been introduced but its applications are mostly restricted to nighttime use only.Recently,the emergence of photonic technologies to achieves daytime radiative cooling overcome the performance limitations.For example,broadband and selective emissions in mid-IR and high reflectance in the solar spectral range have already been demonstrated.This review article discusses the fundamentals of thermodynamic heat transfer that motivates radiative cooling.Several photonic structures such as multilayer,periodical,random;derived from nature,and associated design procedures were thoroughly discussed.Photonic integration with new functionality significantly enhances the effciency of radiative cooling technologies such as colored,transparent,and switchable radiative cooling applications has been developed.The commercial applications such as reducing cooling loads in vehicles,increasing the power generation of solar cells,generating electricity,saving water,and personal thermal regulation are also summarized.Lastly,perspectives on radiative cooling and emerging issues with potential solution strategies are discussed.

著录项

  • 来源
    《光:科学与应用(英文版)》 |2023年第7期|1187-1215|共29页
  • 作者单位

    Applied Nano and Thermal Science Lab;

    Department of Mechanical Engineering;

    Seoul National University;

    1 Gwanak-ro;

    Gwanak-gu;

    Seoul 08826;

    South Korea;

    Electronic Device Research Team;

    Hyundai Motor Group;

    37;

    Cheoldobangmulgwan-ro;

    Uiwang-si;

    Gyeonggi-do 16082;

    South Korea;

    E-drive Materials Research Team;

    Hyundai Motor Group;

    37;

    Cheoldobangmulgwan-ro;

    Uiwang-si;

    Gyeonggi-do 16082;

    South Korea;

    Department of Mechanical Robotics;

    and Energy Engineering;

    Dongguk University;

    30 pildong-ro 1-gil;

    Jung-gu;

    Seoul 04620;

    South Korea.;

    Department of Civil Engineering and Engineering Mechanics;

    Columbia University;

    New York;

    NY 10027;

    USA.;

    Institute of Advanced Machinery and Design(SNU-IAMD)/lnstitute of Engineering Research;

    Seoul National University;

    1 Gwanak-ro;

    Gwanak-gu;

    Seoul 08826;

    South Korea;

  • 原文格式 PDF
  • 正文语种 chi
  • 中图分类 光电子技术、激光技术;
  • 关键词

    radiative; overcome; transparent;

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