Ultralow Hysteresis Superhydrophobic Surfaces by Excimer Laser Modification of SU-8
2006; American Chemical Society; Volume: 22; Issue: 26 Linguagem: Inglês
10.1021/la0620298
ISSN1520-5827
AutoresR. Martijn Wagterveld, C.W.J. Berendsen, S. Bouaidat, Jacques Jonsmann,
Tópico(s)Fluid Dynamics and Heat Transfer
ResumoWe present a new and simple method to produce superhydrophobic surfaces with ultralow hysteresis. The method involves surface modification of SU-8 using an excimer laser treatment. The modified surface is coated with a hydrophobic plasma-polymerized hexafluoropropene layer. The advancing and receding water contact angles were measured to be approximately 165 degrees . The achieved water contact angle hysteresis was below the measurement limit. This low hysteresis can be ascribed to nanoscale debris generated during the excimer laser process.
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