Bioinspired Conical Copper Wire with Gradient Wettability for Continuous and Efficient Fog Collection

被引：327
|
作者：
Ju, Jie [1 ,3 ]
Xiao, Kai [1 ,3 ]
Yao, Xi [2 ]
Bai, Hao [1 ]
Jiang, Lei [1 ]
机构：
[1] Chinese Acad Sci, Inst Chem, BNLMS, Beijing 100190, Peoples R China
[2] Jilin Univ, Phys Chem Lab, Changchun 130012, Peoples R China
[3] Chinese Acad Sci, Grad Univ, Beijing 100049, Peoples R China
来源：
ADVANCED MATERIALS | 2013年 / 25卷 / 41期
关键词：
bioinspired materials; conical copper wires; gradient wettability; fog collection; SURFACE-CHEMICAL GRADIENTS; SUPERHYDROPHOBIC SURFACES; WATER COLLECTION; DROPLET MOTION; DESERT BEETLE; LIQUID-DROPS; FABRICATION; MIMICKING; CAPTURE; UPHILL;
D O I：
10.1002/adma.201301876
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Inspired by the efficient fog collection on cactus spines, conical copper wires with gradient wettability are fabricated through gradient electrochemical corrosion and subsequent gradient chemical modification. These dual-gradient copper wires' fog-collection ability is demonstrated to be higher than that of conical copper wires with pure hydrophobic surfaces or pure hydrophilic surfaces, and the underlying mechanism is also analyzed. © 2013 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.
引用
收藏
页码：5937 / 5942
页数：6
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