Modification of wettability of stainless steel by picosecond laser surface microstructuring

被引：26
|
作者：
Bao, Zongjie [1 ,2 ]
Wang, Chengwei [1 ,2 ,3 ]
Zhang, Yang [1 ,2 ,3 ]
Zhao, Quan-Zhong [1 ]
机构：
[1] Chinese Acad Sci, Shanghai Inst Opt & Fine Mech, State Key Lab High Field Laser Phys, Shanghai 201800, Peoples R China
[2] Univ Chinese Acad Sci, Beijing 3MOE, Peoples R China
[3] Tongji Univ, Sch Phys Sci & Engn, Inst Precis Opt Engn, MOE Key Lab Adv Microstruct Mat, Shanghai 200092, Peoples R China
来源：
PHOTONICS RESEARCH | 2015年 / 3卷 / 04期
基金：
中国国家自然科学基金;
关键词：
FEMTOSECOND; FILMS;
D O I：
10.1364/PRJ.3.000180
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We report on the modification of the wettability of stainless steel by picosecond laser surface microstructuring in this paper. Compared with traditional methods, picosecond laser-induced surface modification provides a fast and facile method for surface modification without chemical damage and environmental pollution. As a result of treatment by 100 ps laser pulses, microstructures are fabricated on the stainless steel sample surface, contributing to the increase of the contact angle from 88 degrees to 105 degrees, which realizes a transformation from hydrophilicity to hydrophobicity. The morphological features of fabricated microstructures are characterized by scanning electron microscopy and optical microscopy. (C) 2015 Chinese Laser Press
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页码：180 / 183
页数：4
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