Photonics and thermodynamics concepts in radiative cooling

被引:442
作者
Fan, Shanhui [1 ,2 ]
Li, Wei [3 ]
机构
[1] Stanford Univ, EL Ginzton Lab, Stanford, CA 94305 USA
[2] Stanford Univ, Dept Elect Engn, Stanford, CA 94305 USA
[3] Chinese Acad Sci, GPL Photon Lab, State Key Lab Appl Opt, Changchun Inst Opt Fine Mech & Phys, Changchun, Peoples R China
基金
中国国家自然科学基金;
关键词
PERSONAL THERMAL MANAGEMENT; ENERGY; TEMPERATURE; FILMS; PERFORMANCE; EFFICIENCY; ABSORBERS; EMISSION; DESIGN; LIGHT;
D O I
10.1038/s41566-021-00921-9
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
Radiative cooling is a ubiquitous passive process that uses photon heat flow to carry away energy and entropy. Radiative cooling processes have been studied in the scientific literature for many decades, but advances in nanophotonics have enabled recent breakthroughs in daytime radiative cooling, which have inspired intense research efforts in this area. Radiative cooling is now emerging as a frontier in renewable energy research, with important potential for wide ranges of applications. In this Review, we discuss the fundamental photonics and thermodynamics concepts that underlie the processes of radiative cooling. Understanding of these concepts is essential both for the demonstration of cooling effects and for the development of practical technology.
引用
收藏
页码:182 / 190
页数:9
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