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DOI | 10.1038/s41893-019-0348-5 |
A polydimethylsiloxane-coated metal structure for all-day radiative cooling | |
Zhou, Lyu1; Song, Haomin1,2; Liang, Jianwei2; Singer, Matthew1; Zhou, Ming3; Stegenburgs, Edgars2; Zhang, Nan1; Xu, Chen4; Ng, Tien2; Yu, Zongfu3; Ooi, Boon2; Gan, Qiaoqiang1 | |
2019-08-01 | |
发表期刊 | NATURE SUSTAINABILITY
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ISSN | 2398-9629 |
出版年 | 2019 |
卷号 | 2期号:8页码:718-724 |
文章类型 | Article |
语种 | 英语 |
国家 | USA; Saudi Arabia; Peoples R China |
英文摘要 | Radiative cooling is a passive cooling strategy with zero consumption of electricity that can be used to radiate heat from buildings to reduce air-conditioning requirements. Although this technology can work well during optimal atmospheric conditions at night, it is essential to achieve efficient cooling during the daytime when peak cooling demand actually occurs. Here we report an inexpensive planar polydimethylsiloxane (PDMS)/metal thermal emitter thin film structure, which was fabricated using a fast solution coating process that is scalable for large-area manufacturing. By performing tests under different environmental conditions, temperature reductions of 9.5 degrees C and 11.0 degrees C were demonstrated in the laboratory and an outside environment, respectively, with an average cooling power of similar to 120 W m(-2) for the thin film thermal emitter. In addition, a spectral-selective structure was designed and implemented to suppress the solar input and control the divergence of the thermal emission beam. This enhanced the directionality of the thermal emissions, so the emitter's cooling performance was less dependent on the surrounding environment. Outside experiments were performed in Buffalo, New York, realizing continuous all-day cooling of similar to 2-9 degrees C on a typical clear sunny day at Northern United States latitudes. This practical strategy that cools without electricity input could have a significant impact on global energy consumption. |
领域 | 资源环境 |
收录类别 | SSCI |
WOS记录号 | WOS:000480430900021 |
WOS关键词 | TEMPERATURES ; FILMS |
WOS类目 | Green & Sustainable Science & Technology ; Environmental Sciences ; Environmental Studies |
WOS研究方向 | Science & Technology - Other Topics ; Environmental Sciences & Ecology |
引用统计 | |
文献类型 | 期刊论文 |
条目标识符 | http://119.78.100.173/C666/handle/2XK7JSWQ/289870 |
专题 | 资源环境科学 |
作者单位 | 1.SUNY Buffalo, Dept Elect Engn, Buffalo, NY 14260 USA; 2.King Abdullah Univ Sci & Technol, KAUST Nanophoton Lab, Thuwal, Saudi Arabia; 3.Univ Wisconsin, Dept Elect & Comp Engn, 1415 Johnson Dr, Madison, WI 53706 USA; 4.Hangzhou Dianzi Univ, Sch Life Informat Sci & Instrument Engn, Hangzhou, Zhejiang, Peoples R China |
推荐引用方式 GB/T 7714 | Zhou, Lyu,Song, Haomin,Liang, Jianwei,et al. A polydimethylsiloxane-coated metal structure for all-day radiative cooling[J]. NATURE SUSTAINABILITY,2019,2(8):718-724. |
APA | Zhou, Lyu.,Song, Haomin.,Liang, Jianwei.,Singer, Matthew.,Zhou, Ming.,...&Gan, Qiaoqiang.(2019).A polydimethylsiloxane-coated metal structure for all-day radiative cooling.NATURE SUSTAINABILITY,2(8),718-724. |
MLA | Zhou, Lyu,et al."A polydimethylsiloxane-coated metal structure for all-day radiative cooling".NATURE SUSTAINABILITY 2.8(2019):718-724. |
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