Arid
DOI10.1016/j.jcis.2018.06.081
Bioinspired superhydrophilic-hydrophobic integrated surface with conical pattern-shape for self-driven fog collection
Chen, Dongliang1; Li, Jun4; Zhao, Jianying1; Guo, Jing2; Zhang, Suobo2; Sherazi, Tauqir A.3; Ambreen3; Li, Shenghai2
通讯作者Zhao, Jianying ; Li, Shenghai
来源期刊JOURNAL OF COLLOID AND INTERFACE SCIENCE
ISSN0021-9797
EISSN1095-7103
出版年2018
卷号530页码:274-281
英文摘要

It is well recognized by the scientific community that the fog can be deposited and transported on asymmetric surfaces, thus numerous efforts have been made to create such surfaces. However, it is still challenging to design a surface capable of fast deposition and rapid transportation simultaneously. Herein, inspired by the asymmetric structure of cactus spines and the cooperative hydrophilic/hydrophobic regions of desert beetles, a superhydrophilic-hydrophobic integrated conical stainless steel needle (SHCSN) is fabricated by a facile method. This integrated needle surface combines the merits of the fast deposition of fog on hydrophobic region and then rapid transportation on superhydrophilic surface. The droplet average transportation velocity on SHCSN is greater than other types of surfaces because of large Laplace pressure and self-driven phenomenon at its superhydrophilic-hydrophobic boundary. The best fog harvest efficiency was realized by optimizing the length of the hydrophobic region using theoretical modeling and experimental exploration, whereas the robust superhydrophilic needle surface induced the increase of collection time. This SHCSN was realized to be more efficient in fog collection than uniform superhydrophilic, uniform hydrophobic/superhydrophobic needle surfaces. (C) 2018 Elsevier Inc. All rights reserved.


英文关键词Bioinspired Superhydrophilic Conical surface Self-driven Fog collection
类型Article
语种英语
国家Peoples R China ; Pakistan
收录类别SCI-E
WOS记录号WOS:000442700000031
WOS关键词NAMIB DESERT BEETLE ; WATER COLLECTION ; DROPWISE CONDENSATION ; WETTABILITY ; TRANSPORT ; WIRE ; FABRICATION ; DROPLETS ; CAPTURE ; UPHILL
WOS类目Chemistry, Physical
WOS研究方向Chemistry
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/210786
作者单位1.Shandong Univ Technol, Sch Chem & Chem Engn, Zibo 255049, Shandong, Peoples R China;
2.Chinese Acad Sci, Changchun Inst Appl Chem, Key Lab Polymer Ecomat, 5625 Renmin St, Changchun 130022, Jilin, Peoples R China;
3.COMSATS Inst Informat Technol, Dept Chem, Abbottabad 22060, Pakistan;
4.Shandong Weigao Grp Med Polymer CO Ltd, Weihai 264210, Peoples R China
推荐引用方式
GB/T 7714
Chen, Dongliang,Li, Jun,Zhao, Jianying,et al. Bioinspired superhydrophilic-hydrophobic integrated surface with conical pattern-shape for self-driven fog collection[J],2018,530:274-281.
APA Chen, Dongliang.,Li, Jun.,Zhao, Jianying.,Guo, Jing.,Zhang, Suobo.,...&Li, Shenghai.(2018).Bioinspired superhydrophilic-hydrophobic integrated surface with conical pattern-shape for self-driven fog collection.JOURNAL OF COLLOID AND INTERFACE SCIENCE,530,274-281.
MLA Chen, Dongliang,et al."Bioinspired superhydrophilic-hydrophobic integrated surface with conical pattern-shape for self-driven fog collection".JOURNAL OF COLLOID AND INTERFACE SCIENCE 530(2018):274-281.
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