Artículos de revistas
Laser microstructuring for fabricating superhydrophobic polymeric surfaces
Fecha
2011Registro en:
APPLIED SURFACE SCIENCE, v.257, n.8, p.3281-3284, 2011
0169-4332
10.1016/j.apsusc.2010.10.156
Autor
CARDOSO, M. R.
TRIBUZI, V.
BALOGH, Debora Terezia
MISOGUTI, Lino
MENDONCA, Cleber Renato
Institución
Resumen
In this paper we show the fabrication of hydrophobic polymeric surfaces through laser microstructuring. By using 70-ps pulses from a Q-switched and mode-locked Nd:YAG laser at 532 nm, we were able to produce grooves with different width and separation, resulting in square-shaped pillar patterns. We investigate the dependence of the morphology on the surface static contact angle for water, showing that it is in agreement with the Cassie-Baxter model. We demonstrate the fabrication of a superhydrophobic polymeric surface, presenting a water contact angle of 157 degrees. The surface structuring method presented here seems to be an interesting option to control the wetting properties of polymeric surfaces. (C) 2010 Elsevier B.V. All rights reserved.