中国激光, 2016, 43 (8): 0802002, 网络出版: 2016-08-10   

飞秒激光诱导超疏水钛表面微纳结构 下载: 814次

Superhydrophobic Titanium Surface Micro/Nanostructures Induced by Femtosecond Laser
作者单位
1 中国科学院上海光学精密机械研究所强场激光物理国家重点实验室, 上海 201800
2 中国科学院大学, 北京 100049
3 上海交通大学材料科学与工程学院, 上海 200240
4 同济大学物理科学与工程学院, 上海 200092
摘要
提出一种利用线偏振飞秒脉冲激光制备超疏水钛表面的方法。利用飞秒脉冲激光在钛片上辐照扫描诱导出表面微纳结构,以提高钛表面的粗糙度,并结合低表面能物质的超声处理得到具有超疏水特性的钛表面。通过改变飞秒脉冲激光辐照的能流密度来改变钛表面的粗糙度,得到不同润湿性能的钛表面。将制备的疏水和超疏水钛表面在大气环境中放置三个月,并对其表面润湿性能进行测量,结果表明,与三个月前相比,其表面润湿性能基本保持不变,即制备的钛表面具有稳定的疏水和超疏水性。
Abstract
A method to fabricate superhydrophobic titanium (Ti) surface using linearly polarized femtosecond pulsed laser is proposed in this paper. A femtosecond pulsed laser is used to irradiate Ti surfaces to scan and induce the surface micro/nanostructures, so as to improve the surface roughness. The superhydrophobicity of the Ti surfaces is realized by combing ultrasonic treatment of low surface energy material. The roughnesses of Ti surfaces are changed by tuning the energy flux density of femtosecond pulsed laser irradiation, and different wettabilities of Ti surfaces are realized. The fabricated Ti surfaces with hydrophobicity and superhydrophobicity are placed in atmosphere for three months, and the wettabilities of the surfaces are measured. The results show that the wettabilities of the surfaces are nearly the same after three months, namely the fabricated Ti surfaces still exhibit stable hydrophobicity and superhydrophobicity.

泮怀海, 王卓, 范文中, 王承伟, 李虹瑾, 柏锋, 钱静, 赵全忠. 飞秒激光诱导超疏水钛表面微纳结构[J]. 中国激光, 2016, 43(8): 0802002. Pan Huaihai, Wang Zhuo, Fan Wenzhong, Wang Chengwei, Li Hongjin, Bai Feng, Qian Jing, Zhao Quanzhong. Superhydrophobic Titanium Surface Micro/Nanostructures Induced by Femtosecond Laser[J]. Chinese Journal of Lasers, 2016, 43(8): 0802002.

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