Sticking of droplets on slippery superhydrophobic surfaces by laser induced forward transfer

被引：15
作者：
Boutopoulos, Christos [1 ]
Papageorgiou, Dimitrios P. [2 ]
Zergioti, Ioanna [1 ]
Papathanasiou, Athanasios G. [2 ]
机构：
[1] Natl Tech Univ Athens, Sch Appl Math & Phys Sci, GR-15780 Athens, Greece
[2] Natl Tech Univ Athens, Sch Chem Engn, GR-15780 Athens, Greece
来源：
APPLIED PHYSICS LETTERS | 2013年 / 103卷 / 02期
基金：
欧洲研究理事会;
关键词：
SUPERLYOPHOBIC SURFACES; LIQUIDS; LOTUS; TRANSITIONS; MICROARRAYS; IMPALEMENT; BIOSENSOR; SOLIDS; DESIGN; IMPACT;
D O I：
10.1063/1.4813394
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
Liquid jets created by the Laser Induced Forward Transfer (LIFT) technique can reach extremely high speeds exceeding 270 m/s. The impact of such a jet on a solid surface can create a dynamic pressure of 35 MPa, enabling the LIFT process to stick liquid droplets on highly slippery superhydrophobic surfaces. In this letter, we demonstrate how LIFT printing can be utilized in order to achieve selective sticky behavior on slippery surfaces, valuable for many biosensor applications, and we suggest it as a tool of evaluating the thermodynamic robustness of the so called Fakir states on various rough hydrophobic surfaces. (C) 2013 AIP Publishing LLC.
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页数：5
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