热发射率
被动冷却
散热片
屋顶
环境科学
反射面
光电子学
涂层
辐射传输
热的
核工程
材料科学
大气科学
辐射冷却
光学
复合材料
气象学
热力学
物理
几何学
工程类
梁(结构)
结构工程
数学
曲面(拓扑)
作者
Kechao Tang,Kaichen Dong,Jiachen Li,Madeleine P. Gordon,Finnegan G. Reichertz,Hyung‐Jin Kim,Yoonsoo Rho,Qingjun Wang,Chang‐Yu Lin,Yoonsoo Rho,Ali Javey,Jeffrey J. Urban,Jie Yao,Ronnen Levinson,Junqiao Wu
出处
期刊:Science
[American Association for the Advancement of Science (AAAS)]
日期:2021-12-17
卷期号:374 (6574): 1504-1509
被引量:342
标识
DOI:10.1126/science.abf7136
摘要
A passive turnoff Passive radiative cooling technology uses the infrared atmospheric window to allow outer space to be a cold sink for heat. However, this effect is one that is only helpful for energy savings in the warmer months. Wang et al . and Tang et al . used the metal-insulator transition in tungsten-doped vanadium dioxide to create window glass and a rooftop coating that circumvents this problem by turning off the radiative cooling at lower temperatures. Because the transition is simply temperature dependent, this effect also happens passively. Model simulations suggest that these materials would lead to energy savings year-round across most of the climate zones in the United States. —BG
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