Superhydrophobic surface structures in thermoplastic polymers by interference lithography and thermal imprinting

被引：49
|
作者：
Berendsen, Christian W. J. [1 ]
Skeren, Marek [2 ]
Najdek, David [2 ]
Cerny, Frantisek [3 ]
机构：
[1] Scandinavian Micro Biodevices ApS, DK-3520 Farum, Denmark
[2] Czech Tech Univ, Fac Nucl Sci & Phys Engn, CR-11519 Prague 1, Czech Republic
[3] Czech Tech Univ, Fac Mech Engn, Prague 16607, Czech Republic
来源：
APPLIED SURFACE SCIENCE | 2009年 / 255卷 / 23期
关键词：
Superhydrophobicity; Surface texturing; Topography; Embossing; Thermoplastic; Thermal imprinting; Aspect ratio; Laser interference lithography; HIERARCHICAL STRUCTURES; LENGTH SCALES; LOTUS-LEAF; FABRICATION; TOPOGRAPHY; ROUGHNESS; ARRAYS;
D O I：
10.1016/j.apsusc.2009.07.001
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
We present a method to produce superhydrophobic surfaces in thermoplastic polymer substrates. The method involves the creation of a nickel stamp using a customized laser interference lithography technique and electroplating processes. This stamp is used to emboss sub-micrometer periodic structures into the thermoplastic. The modified surface is coated with a hydrophobic plasma-polymerized hexafluoropropene layer. Surfaces with different periodicity and relief depth were created. On the surface with the highest aspect ratio, advancing water contact angles of 167 degrees were measured with a water contact angle hysteresis of below 5 degrees. (C) 2009 Elsevier B. V. All rights reserved.
引用
收藏
页码：9305 / 9310
页数：6
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