Journal
APPLIED SURFACE SCIENCE
Volume 257, Issue 8, Pages 3455-3462Publisher
ELSEVIER
DOI: 10.1016/j.apsusc.2010.11.045
Keywords
Superhydrophobic surface; PBO fiber bundle; Loading capacities
Categories
Funding
- National Natural Science Foundation of China [51003021]
- CHINA POSTDOCTORAL SCIENCE FOUNDATION [20090460067]
- China Postdoctoral Science Special Foundation [201003420]
- Natural Scientific Research Innovation Foundation in Harbin Institute of Technology [HIT.NSRIF.2009123]
- Heilongjiang Postdoctoral Financial Assistance [LBH-Z08185]
- KOTO innovation foundation [HIT(SCET)-KOTO 20100603]
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According to the reformed Cassie-Baxter equation, the superhydrophobic phenylenebenzobisoxazole (PBO) fiber bundle boats were fabricated from mimicking the lotus leaf venation using chemical surface modifications and roughness introduction. Water contact angles as high as 152.3 degrees. were achieved for PBO fiber bundles. Furthermore, the loading capacities of the superhydrophobic PBO fiber bundle boats were also measured. And the highest loading weight, 8.36 g, was obtained by the boats treated with 2.0 wt.% (heptadecafluoro-1,1,2,2,-tetradecyl) trimethoxysilane (HFTES). The large loading capacities were believed to arise from the air film surrounding the superhydrophobic surfaces of boats. The results of this study presented new applications of artificial hydrophobic surfaces in areas of miniature aquatic devices. (C) 2010 Elsevier B. V. All rights reserved.
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