One-Step Preparation of Hydrophobic Surfaces Containing Hydrophilic Groups for Efficient Water Harvesting

Multifunctional surfaces that are favorable for both droplet nucleation and removal are critical for water-harvesting applications, but there still remain great challenges. Herein, we proposed a facile strategy to construct hydrophobic surfaces containing moderate hydrophilic groups to achieve both...

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Publié dans:Langmuir : the ACS journal of surfaces and colloids. - 1985. - 37(2021), 31 vom: 10. Aug., Seite 9630-9636
Auteur principal: Lyu, Pei (Auteur)
Autres auteurs: Zhang, Xiangyi, Jiang, Xin, Shang, Bin, Liu, Xin, Deng, Ziwei
Format: Article en ligne
Langue:English
Publié: 2021
Accès à la collection:Langmuir : the ACS journal of surfaces and colloids
Sujets:Journal Article
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520 |a Multifunctional surfaces that are favorable for both droplet nucleation and removal are critical for water-harvesting applications, but there still remain great challenges. Herein, we proposed a facile strategy to construct hydrophobic surfaces containing moderate hydrophilic groups to achieve both exceptional droplet nucleation and removal. Different from natural desert beetle-inspired water-harvesting materials, these surfaces utilize limited hydrophilic domains to condense fog, and transport of formed tiny droplets relies on a hydrophobic background. The total surface area of the presented hydrophobic fabric contains hydrophilic groups, and the areas for trapping fog have increased. This feature is optimized to enhance the droplet nucleation density, and the surface still has excellent liquid repellency, resulting in maximum water collection efficiency of the prepared surface reaching up to 3.145 g·cm-2·h-1, much higher than the most reported water-harvesting materials. Due to its high efficiency and scalability, we believe that the proposed strategy to construct hydrophobic surfaces containing hydrophilic groups has great practical value 
650 4 |a Journal Article 
700 1 |a Zhang, Xiangyi  |e verfasserin  |4 aut 
700 1 |a Jiang, Xin  |e verfasserin  |4 aut 
700 1 |a Shang, Bin  |e verfasserin  |4 aut 
700 1 |a Liu, Xin  |e verfasserin  |4 aut 
700 1 |a Deng, Ziwei  |e verfasserin  |4 aut 
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