气候变化领域集成服务门户(CCPortal): A hierarchically structured self-cleaning energy-free polymer film for daytime radiative cooling

CCPortal

DOI	10.1016/j.cej.2022.136239
	A hierarchically structured self-cleaning energy-free polymer film for daytime radiative cooling
	Huang, Meng-Chen; Xue, Chao-Hua; Huang, Jianying; Liu, Bing-Ying; Guo, Xiao-Jing; Bai, Zhong-Xue; Wei, Ren-Xuan; Wang, Hui-Di; Du, Mi-Mi; Jia, Shun-Tian; Chen, Zhong; Lai, Yuekun
发表日期	2022
ISSN	1385-8947
EISSN	1873-3212
卷号	442
英文摘要	Radiative cooling without using electricity represents an ideal green solution for air-conditioning. Despite exciting progress made so far, most of the radiative cooling materials are vulnerable to outdoor contamination, which leads to decreased performance. Herein, we fabricate a hierarchically structured PVDF/PDMS porous film which integrates strong sunlight reflectance (97%), high thermal-infrared emittance (96%) and robust super hydrophobicity (160.2). The synergy of the effective solar reflection and thermal-infrared emission enables the film to yield a sub-ambient temperature drop of 12.3 degrees C under strong sunlight. More importantly, the super hydrophobicity keeps the film away from contamination by self-cleaning, maintaining well the radiative cooling performance for a long-term outdoor use. Additionally, the as-obtained film shows excellent chemical durability after exposure to different pH solutions and UV light irradiation. This work provides a new strategy to integrate self-cleaning with radiative cooling, showing great potential to advance energy-free cooling materials toward real-world applications.
英文关键词	Radiative cooling; Superhydrophobic; Self-cleaning; Energy-saving
语种	英语
WOS研究方向	Engineering, Environmental ; Engineering, Chemical
WOS类目	Science Citation Index Expanded (SCI-EXPANDED)
WOS记录号	WOS:000799210800003
来源期刊	CHEMICAL ENGINEERING JOURNAL
文献类型	期刊论文
条目标识符	http://gcip.llas.ac.cn/handle/2XKMVOVA/280837
作者单位	Shaanxi University of Science & Technology; Fuzhou University; Shaanxi University of Science & Technology; Shaanxi University of Science & Technology; Nanyang Technological University
推荐引用方式 GB/T 7714	Huang, Meng-Chen,Xue, Chao-Hua,Huang, Jianying,et al. A hierarchically structured self-cleaning energy-free polymer film for daytime radiative cooling[J],2022,442.
APA	Huang, Meng-Chen.,Xue, Chao-Hua.,Huang, Jianying.,Liu, Bing-Ying.,Guo, Xiao-Jing.,...&Lai, Yuekun.(2022).A hierarchically structured self-cleaning energy-free polymer film for daytime radiative cooling.CHEMICAL ENGINEERING JOURNAL,442.
MLA	Huang, Meng-Chen,et al."A hierarchically structured self-cleaning energy-free polymer film for daytime radiative cooling".CHEMICAL ENGINEERING JOURNAL 442(2022).