3D Printing of Bioinspired Liquid Superrepellent Structures

© 2018 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.

Bibliographische Detailangaben
Veröffentlicht in:Advanced materials (Deerfield Beach, Fla.). - 1998. - 30(2018), 22 vom: 30. Mai, Seite e1800103
1. Verfasser: Liu, Xiaojiang (VerfasserIn)
Weitere Verfasser: Gu, Hongcheng, Wang, Min, Du, Xin, Gao, Bingbing, Elbaz, Abdelrahman, Sun, Liangdong, Liao, Julong, Xiao, Pengfeng, Gu, Zhongze
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2018
Zugriff auf das übergeordnete Werk:Advanced materials (Deerfield Beach, Fla.)
Schlagworte:Journal Article 3D printing directional flow superrepellents triply re-entrant structures two-photon polymerization
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520 |a Bioinspired re-entrant structures have been proved to be effective in achieving liquid superrepellence (including anti-penetration, anti-adhesion, and anti-spreading). However, except for a few reports relying on isotropic etching of silicon wafers, most fluorination-dependent surfaces are still unable to repel liquids with extreme low surface energy (i.e., γ < 15 mN m-1 ), especially those fluorinated solvents. Herein, triply re-entrant structures, possessing superrepellence to water (with surface tension γ of 72.8 mN m-1 ) and various organic liquids (γ = 12.0-27.1 mN m-1 ), are fabricated via two-photon polymerization based 3D printing technology. Such structures can be constructed both on rigid and flexible substrates, and the liquid superrepellent properties can be kept even after oxygen plasma treatment. Based on the prepared triply re-entrant structures, micro open capillaries are constructed on them to realize directional liquid spreading, which may be applied in microfluidic platforms and lab-on-a-chip applications. The fabricated arrays can also find potential applications in electronic devices, gas sensors, microchemical/physical reactors, high-throughput biological sensors, and optical displays 
650 4 |a Journal Article 
650 4 |a 3D printing 
650 4 |a directional flow 
650 4 |a superrepellents 
650 4 |a triply re-entrant structures 
650 4 |a two-photon polymerization 
700 1 |a Gu, Hongcheng  |e verfasserin  |4 aut 
700 1 |a Wang, Min  |e verfasserin  |4 aut 
700 1 |a Du, Xin  |e verfasserin  |4 aut 
700 1 |a Gao, Bingbing  |e verfasserin  |4 aut 
700 1 |a Elbaz, Abdelrahman  |e verfasserin  |4 aut 
700 1 |a Sun, Liangdong  |e verfasserin  |4 aut 
700 1 |a Liao, Julong  |e verfasserin  |4 aut 
700 1 |a Xiao, Pengfeng  |e verfasserin  |4 aut 
700 1 |a Gu, Zhongze  |e verfasserin  |4 aut 
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773 1 8 |g volume:30  |g year:2018  |g number:22  |g day:30  |g month:05  |g pages:e1800103 
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