Please use this identifier to cite or link to this item: https://hdl.handle.net/10356/103335
Title: Surface Wettability Modification of Cyclic Olefin Polymer by Direct Femtosecond Laser Irradiation
Authors: Wang, Bing
Wang, Xincai
Zheng, Hongyu
Lam, Yee Cheong
Issue Date: 2015
Source: Wang, B., Wang, X., Zheng, H., & Lam, Y. C. (2015). Surface Wettability Modification of Cyclic Olefin Polymer by Direct Femtosecond Laser Irradiation. Nanomaterials, 5(3), 1442-1453.
Series/Report no.: Nanomaterials
Abstract: The effect of laser irradiation on surface wettability of cyclic olefin polymer (COP) was investigated. Under different laser parameters, a superhydrophilic or a superhydrophobic COP surface with a water contact angle (WCA) of almost 0° or 163°, respectively, could be achieved by direct femtosecond laser irradiation. The laser power deposition rate (PDR) was found to be a key factor on the wettability of the laser-treated COP surface. The surface roughness and surface chemistry of the laser-irradiated samples were characterized by surface profilometer and X-ray photoelectron spectroscopy, respectively; they were found to be responsible for the changes of the laser-induced surface wettability. The mechanisms involved in the laser surface wettability modification process were discussed.
URI: https://hdl.handle.net/10356/103335
http://hdl.handle.net/10220/38732
ISSN: 2079-4991
DOI: 10.3390/nano5031442
Rights: © 2015 by the authors; licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution license (http://creativecommons.org/licenses/by/4.0/).
Fulltext Permission: open
Fulltext Availability: With Fulltext
Appears in Collections:MAE Journal Articles

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