文献类型： 外文期刊
作者： Yu, Zhenwei 1 ; Yun, Frank F. 1 ; Wang, Yanqin 2 ; Yao, Li 2 ; Dou, Shixue 1 ; Liu, Kesong 4 ; Jiang, Lei 4 ; Wang, Xiaol 1 ;
作者机构： 1.Univ Wollongong, Inst Superconducting & Elect Mat, Australian Inst Innovat Mat, Wollongong, NSW 2500, Australia
2.Shandong Acad Agr Sci, Inst Agr Resources & Environm, Jinan 250100, Peoples R China
3.Minist Agr, Key Lab Wastes Matrix Utilizat, Jinan 250100, Peoples R China
4.Beihang Univ, Minist Educ, Key Lab Bioinspired Smart Interfacial Sci & Techn, Sch Chem, Beijing 100191, Peoples R China
5.Chinese Acad Sci, Lab Bioinspired Smart Interfacial Sci, Tech Inst Phys & Chem, Beiji
关键词： bioinspired;fog collection;superhydrophilic;superhydrophobic;wettability
期刊名称：SMALL （ 影响因子：13.281； 五年影响因子：12.463 ）
ISSN： 1613-6810
年卷期： 2017 年 13 卷 36 期
页码：
收录情况： SCI
摘要： With the impacts of climate change and impending crisis of clean drinking water, designing functional materials for water harvesting from fog with large water capacity has received much attention in recent years. Nature has evolved different strategies for surviving dry, arid, and xeric conditions. Nature is a school for human beings. In this contribution, inspired by the Stenocara beetle, superhydrophilic/superhydrophobic patterned surfaces are fabricated on the silica poly(dimethylsiloxane) (PDMS)-coated superhydrophobic surfaces using a pulsed laser deposition approach with masks. The resultant samples with patterned wettability demonstrate water-harvesting efficiency in comparison with the silica PDMS-coated superhydrophobic surface and the Pt nanoparticles-coated superhydrophilic surface. The maximum water-harvesting efficiency can reach about 5.3 g cm(-2) h(-1). Both the size and the percentage of the Pt-coated superhydrophilic square regions on the patterned surface affect the condensation and coalescence of the water droplet, as well as the final water-harvesting efficiency. The present water-harvesting strategy should provide an avenue to alleviate the water crisis facing mankind in certain arid regions of the world.
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