环保纳米建筑学,用于耐用、自清洁和高效的环境下辐射冷却涂层
Eco-Friendly Nanoarchitectonics for Durable, Self-Cleaning, and Efficient Subambient Radiative Cooling Coatings
中文简介
被动日间辐射冷却 (PDRC) 可以在不消耗能源的情况下将热量散发到外层空间,从而有助于缓解全球变暖。然而,开发具有高光学性能、环境适应性和多功能协同作用的辐射冷却涂层仍然存在挑战,限制了其实际应用。本文采用环保喷涂方法制备了 Si3N4/Al2O3&SiO 2-PCM PDRC 涂层(SASPRC),该涂层基于大气窗口内光谱互补性和协同作用的创新设计。该涂层表现出 97.3% 的显着太阳反射率和 97.7% 的红外发射率,在阳光直射下平均达到低于环境温度 8.2 °C 的冷却效果。通过采用相变材料 (PCM),它提供 90.03 W m-2 的每日净冷却功率,超过不使用 PCM 的 86.79 W m-2。除了卓越的光学特性和卓越的亚环境冷却性能外,SASPRC 还表现出稳定的自清洁能力,水接触角为 165.3°,卓越的机械坚固性和出色的化学耐久性。这种合理的设计为开发高性能辐射冷却器提
英文摘要(原文)
daytime radiative cooling (PDRC) can contribute to the mitigation of global warming by dissipating heat into outer space without energy consumption. However, challenges persist in developing radiative cooling coatings with high optical performances, environmental adaptability, and multifunction synergy, limiting their practical applications. Here, an eco-friendly spray-coating approach was employed to
题录(GB/T 7714)
Sun Y, He J. Eco-Friendly Nanoarchitectonics for Durable, Self-Cleaning, and Efficient Subambient Radiative Cooling Coatings[J]. ACS Applied Materials & Interfaces, 2025, 17(44): 61325-61336. DOI: 10.1021/acsami.5c17341.
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