Laser & Optoelectronics Progress, Volume. 57, Issue 11, 111413(2020)
Bioinspired Slippery Surface Fabricated by Femtosecond Laser and its Applications
Fig. 2. Superhydrophobicity of lotus leaf. (a) Lotus leaf; (b) water droplet on lotus leaf; (c)(d) scanning electron microscope (SEM) images of lotus leaf[1](superhydrophobic silicon fabricated by femtosecond laser); water droplet on (e) flat Si and (f) rough Si; (g) SEM images of femtosecond laser irradiated Si surface; (h) relationship between contact angle and laser fluence[57]
Fig. 4. Underwater superoleophobic fish scale: (a) Fish and its wettability; (b) SEM images of fish scale; (c) superhydrophilicity of fish scale in air; (d) superoleophobicity of fish scale in water[3]
Fig. 7. Preparation process of slippery surface through femtosecond laser irradiation. (a) Nepenthes alata; (b) laser ablation; (c) low surface energy modification; (d) lubricant infusion; (e) droplet slipping on slippery surface[82]
Fig. 8. Slippery PA6 surface fabricated by femtosecond laser. (a) SEM images of porous structures of laser irradiated PA6; (b) water and hexadecane droplet slipping process on slippery PA6; (c) different liquid slipping on PA6 surface; (d) stability of slippery PA6[83]
Fig. 10. Universality of preparation of slippery polymer materials by femtosecond laser. (a) SEM images of different polymer materials fabricated by femtosecond laser; (b) water and hexadecane droplets slipping on slippery PET[82]
Fig. 11. Underwater bubble slippery surface fabricated by femtosecond laser. (a) Schematic diagram of fabrication process; (b) slipping process of underwater bubble; (c) bubble transportation; (d) collection of bubbles[84]
Fig. 12. Anisotropic slippery surface fabricated by femtosecond laser. (a) Schematic diagram of fabrication process; (b) mechanism of anisotropic sliding property of bubble in water; (c) SEM images of micro-grooves; (d) dynamic and static wettability of underwater bubble on anisotropic slippery surface; (e) bubble directional transportation on anisotropic slippery surface[85]
Fig. 14. Growth condition of C6 cell on different surfaces. (a) Flat and slippery PET surfaces; (b) slippery and rough PET surfaces; (c) number of cell growing on different surfaces[82]
Fig. 15. Anti-fouling of dairy on slippery surface. Dried dairy deposits on (a) slippery surface and (b) ordinary surface; (c) sustainability of anti-fouling property of slippery surface[94]
Fig. 17. Droplet manipulation on slippery surface. (a) Schematic diagram; (b) reciprocating movement of droplet; (c) droplets fusion[98]
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Yao Fang, Jiale Yong, Jinglan Huo, Qing Yang, Yang Cheng, Jie Liang, Feng Chen. Bioinspired Slippery Surface Fabricated by Femtosecond Laser and its Applications[J]. Laser & Optoelectronics Progress, 2020, 57(11): 111413
Category: Lasers and Laser Optics
Received: Dec. 27, 2019
Accepted: Mar. 9, 2020
Published Online: Jun. 2, 2020
The Author Email: Yang Qing (yangqing@mail.xjtu.edu.cn), Chen Feng (chenfeng@mail.xjtu.edu.cn)