Journal
APPLIED PHYSICS A-MATERIALS SCIENCE & PROCESSING
Volume 111, Issue 1, Pages 243-249Publisher
SPRINGER HEIDELBERG
DOI: 10.1007/s00339-013-7572-z
Keywords
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Funding
- National Science Foundation of China [61176113, 61275008]
- Fundamental Research Funds for the Central Universities
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Inspired by the lotus leaf, a new superhydrophobic surface with hierarchical mesh-porous structure is fabricated by femtosecond laser irradiation on silicon. The fabricated surface shows a superhydrophobic character with water contact angle being found to reach up to 158(a similar to)+/- 1(a similar to) and sliding angle of 4(a similar to)+/- 0.5(a similar to). The superhydrophobicity is stable even if the PH of solution changes from 1 to 14. And the surface also exhibits excellent self-cleaning effect and bouncing behavior, implying that the adhesion of the surface is extremely low. This work will enhance further understanding of the wettability of a solid surface with special surface morphology.
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