Daytime passive radiative cooler using porous alumina
TLDR
In this article, a day-time passive radiative cooling using chemically fabricated porous anodic aluminum oxide (AAO) membranes is presented. But the AAO approach is not suitable for large-scale applications.About:
This article is published in Solar Energy Materials and Solar Cells.The article was published on 2019-03-01 and is currently open access. It has received 102 citations till now. The article focuses on the topics: Radiative cooling & Radiative transfer.read more
Citations
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Biologically inspired flexible photonic films for efficient passive radiative cooling.
Haiwen Zhang,Kally Chein Sheng Ly,Xianghui Liu,Zhihan Chen,Zhihan Chen,Max Yan,Zilong Wu,Xin Wang,Yuebing Zheng,Han Zhou,Tongxiang Fan +10 more
TL;DR: A bioinspired design of flexible hybrid photonic films for achieving efficient passive radiative cooling based on photonic radiators with high performance and large-scale production, showing great potential for energy savings and efficient power generation.
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Switchable Cavitation in Silicone Coatings for Energy-Saving Cooling and Heating.
TL;DR: A switching strategy is described for efficient energy-saving cooling and heating based on the dynamic cavitation of silicone coatings that can be reversibly and continuously tuned from a highly porous state to a transparent solid.
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Bioinspired "Skin" with Cooperative Thermo-Optical Effect for Daytime Radiative Cooling.
Meng Yang,Weizhi Zou,Jing Guo,Zhenchao Qian,Heng Luo,Shijia Yang,Ning Zhao,Lorenzo Pattelli,Xu Jian,Diederik S. Wiersma +9 more
TL;DR: Inspired by the cooperative thermo-optical effect in the fur of a polar bear, the authors developed a flexible, superhydrophobic, and reusable cooling "skin" by laminating a poly(dimethylsiloxane) film with a highly scattering polyethylene aerogel.
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Advances and Challenges in Commercializing Radiative Cooling
TL;DR: In this paper, the authors review the recent progress of radiative cooling and evaluate the cooling performance of various radiative coolers, and discuss the challenges and feasible solutions to commercialize RC technology.
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Sub-ambient daytime radiative cooling by silica-coated porous anodic aluminum oxide
Dasol Lee,Myeongcheol Go,Soomin Son,Minkyung Kim,Trevon Badloe,Heon Lee,Jin Kon Kim,Junsuk Rho +7 more
TL;DR: In this article, an energy-free daytime radiative cooler based on silica-coated porous anodic aluminum oxide is proposed, optimized, and experimentally realized, which demonstrates a maximum cooling of 6.1 °C below ambient during the daytime.
References
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Berechnung verschiedener physikalischer Konstanten von heterogenen Substanzen. I. Dielektrizitätskonstanten und Leitfähigkeiten der Mischkörper aus isotropen Substanzen
TL;DR: In this article, the Berechnung der dielektrizitatatkonstanten and der Leitfahigkeiten fur Elektriatitat and Warme der Mischkorper aus isotropen Bestandteilen behandelt.
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Passive radiative cooling below ambient air temperature under direct sunlight
TL;DR: An integrated photonic solar reflector and thermal emitter consisting of seven layers of HfO2 and SiO2 that reflects 97 per cent of incident sunlight while emitting strongly and selectively in the atmospheric transparency window demonstrates that the cold darkness of the Universe can be used as a renewable thermodynamic resource, even during the hottest hours of the day.
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Scalable-manufactured randomized glass-polymer hybrid metamaterial for daytime radiative cooling
Yao Zhai,Yaoguang Ma,Sabrina N. David,Dongliang Zhao,Runnan Lou,Gang Tan,Ronggui Yang,Xiaobo Yin +7 more
TL;DR: A metamaterial composed of a polymer layer embedded with microspheres, backed with a thin layer of silver, which shows a noontime radiative cooling power of 93 watts per square meter under direct sunshine is constructed.
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Ultrabroadband Photonic Structures To Achieve High-Performance Daytime Radiative Cooling
TL;DR: This work presents a metal-dielectric photonic structure capable of radiative cooling in daytime outdoor conditions that behaves as a broadband mirror for solar light, while simultaneously emitting strongly in the mid-IR within the atmospheric transparency window, achieving a net cooling power in excess of 100 W/m(2) at ambient temperature.
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Electrochemical Fabrication of CdS Nanowire Arrays in Porous Anodic Aluminum Oxide Templates
TL;DR: In this paper, a technique for fabricating arrays of uniform CdS nanowires with lengths up to 1 μm and diameters as small as 9 nm by electrochemically depositing the semiconductor directly into the pores of anodic aluminum oxide films from an electrolyte containing Cd2+ and S in dimethyl sulfoxide was described.