Artificial lotus leaf structures made by blasting with sodium bicarbonate
- Authors
- Lee, Sangmin; Kim, Dongseob; Hwang, Woonbong
- Issue Date
- May-2011
- Publisher
- ELSEVIER SCIENCE BV
- Keywords
- Superhydrophobicity; Artificial lotus leaf; Sodium bicarbonate; Nanofiber; Anodic aluminum oxide
- Citation
- CURRENT APPLIED PHYSICS, v.11, no.3, pp 800 - 804
- Pages
- 5
- Journal Title
- CURRENT APPLIED PHYSICS
- Volume
- 11
- Number
- 3
- Start Page
- 800
- End Page
- 804
- URI
- https://scholarworks.bwise.kr/cau/handle/2019.sw.cau/47934
- DOI
- 10.1016/j.cap.2010.11.075
- ISSN
- 1567-1739
1878-1675
- Abstract
- Superhydrophobic surfaces have superior hydrophobicity and micro-nano hierarchical structures like those on the lotus leaf. The conventional methods used for the fabrication of microstructures involve delicate and time-consuming processes. We report here a simple and cost-effective method for fabricating artificial lotus-leaf-like structures with uniform superhydrophobicity; this method is based on a blasting process with sodium bicarbonate. Sodium bicarbonate, a water-soluble material, can be easily cleaned off an Al surface by the addition of oxalic acid to the anodizing solution. Therefore, microparticles do not need to be removed in a separate process. The resulting hierarchical structures are suitable for diverse applications, including microfluidic devices for biological studies and industrial self-cleaning products for automobiles, ships and houses. (C) 2010 Elsevier B.V. All rights reserved.
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Collections - College of Engineering > School of Mechanical Engineering > 1. Journal Articles
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