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Control of the wettability of graphene oxide surface with femtosecond laser irradiation (Invited)
F. Wang,T. Zou,W. Xin and J. Yang
2020
发表期刊Hongwai yu Jiguang Gongcheng/Infrared and Laser Engineering
ISSN10072276
卷号49期号:12
摘要Modification of material surface morphology and properties based on femtosecond laser irradiation is a novel processing technology developed in recent years, which has shown unique advantages in high-speed, large-area and periodic subwavelength structure fabrications. Here this method was employed to rapidly fabricate uniform subwavelength grating structures on the surface of GO film, and then the processing mechanisms, the change of morphology and liquid wettability were investigated comprehensively. Through using different experimental parameters such as the laser power and the scanning speed, the rGO grating structures with variable depth-width ratios and surface "roughness" were obtained, leading to the controllable wettability with the liquid contact angles in a range of 15 to 75, and their contact angles were found to increase by an average of 20 after 20 days in the air. Our work lays a solid foundation for femtosecond laser micro/nano-processing of two-dimensional materials. It is expected to have the future applications in the field of droplet collection, microfluidic control, and so on. Copyright 2020 Infrared and Laser Engineering. All rights reserved.
DOI10.3788/IRLA20201064
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收录类别EI
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文献类型期刊论文
条目标识符http://ir.ciomp.ac.cn/handle/181722/64384
专题中国科学院长春光学精密机械与物理研究所
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F. Wang,T. Zou,W. Xin and J. Yang. Control of the wettability of graphene oxide surface with femtosecond laser irradiation (Invited)[J]. Hongwai yu Jiguang Gongcheng/Infrared and Laser Engineering,2020,49(12).
APA F. Wang,T. Zou,W. Xin and J. Yang.(2020).Control of the wettability of graphene oxide surface with femtosecond laser irradiation (Invited).Hongwai yu Jiguang Gongcheng/Infrared and Laser Engineering,49(12).
MLA F. Wang,T. Zou,W. Xin and J. Yang."Control of the wettability of graphene oxide surface with femtosecond laser irradiation (Invited)".Hongwai yu Jiguang Gongcheng/Infrared and Laser Engineering 49.12(2020).
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