Super-Hydrophobic Properties of Unitary Structure

Abstract:

In this paper, the unitary structure characteristics and the super-hydrophobic properties of the lower surface of the lotus leaf and artificial biomimetic surfaces were investigated through scanning electron microscopy, field emission scanning electron microscopy, x-ray photoelectron spectroscopy and contact angle measurement. The measurement of wettability showed that artificial unitary structure surfaces modified with the lower surface energy material exhibit a super-hydrophobic property with a water contact angle of about 150°. The artificial structure characteristics and the super-hydrophobic properties are similar to those on the lower surface of the lotus leaf. The contribution mechanism of the unitary structure on the hydrophobic property was discussed for the surfaces of the lotus leaf and artificial biomimetic surfaces based on the Cassis-Baxter model.

• Periodical: Advanced Materials Research (Volume 924)
• Pages: 212-216
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.924.212
• Online since: April 2014
• Authors: Jing Li, Cheng Yu Xu, Feng Du, Xian Li Liu, Hua Dong Yu*
• Keywords: Modified, Super-Hydrophobicity, Unitary Structure

References

[1] L. Feng, S. Li, Y. Li, H. Li, L. Zhang, J. Zhai, Y. Song, B. Liu, L. Jiang, D. Zhu, Super-hydrophobic Surface from Natural to Artificial, Adv. Mater. 14 (2002) 1857.

DOI: 10.1002/adma.200290020

[2] M. Ma, R.M. Hill, Superhydrophobic surfaces, Curr. Opin. Colloid. In. 11 (2006) 193-202.

[3] H Y Erbil, A L Demirel, Y Avci and O Mert, Transformation of a simple plastic into a superhydrophobic surface, Science. 299(2003)1377-1380.

DOI: 10.1126/science.1078365

[4] Y T Cheng , D E Rodak, Is the lotus leaf superhydrophobic? Appl. phys let. 86(2005)144101-144103.

DOI: 10.1063/1.1895487

[5] Y C Hong, H S Uhm, Superhydrophobicity of a material made from multiwalled carbon nanotubes, Applied physics letter. 88(2006)244101-244103.

DOI: 10.1063/1.2210449

[6] K J Tang, X F Wang, W F Yan, J H Yu, R R Xu, Fabrication of superhydrophilic Cu2O and CuO membranes, Journal of Membrane Science. 286 (2006)279-284.

DOI: 10.1016/j.memsci.2006.10.005

[7] X L Liu, Z H Jiang, J Li, Z H Zhang, L Q Ren, Super-hydrophobic property of nano-sized cupric oxide films, Surface & Coatings Technology. 204(2010)3200-3204.

DOI: 10.1016/j.surfcoat.2010.03.012

[8] Z. Guo, W. Liu,  Biomimic from the superhydrophobic plant leaves in nature: binary structure and unitary structure, Plant. Sci. 172 (2007) 1103.

DOI: 10.1016/j.plantsci.2007.03.005

[9] X F Gao, Jiang L, Water-repellent legs of water striders, Nature 432(2004)36.

DOI: 10.1038/432036a

[10] T L Sun, L Feng, X F Gao, L Jiang, Bioinspired Surfaces with Special Wettability, Accounts of Chemical Research. 38(2005)644-652.

DOI: 10.1021/ar040224c

[11] Z G Guo, W M Liu, Progress in Biomimicing of Super-Hydrophobic Surface, Progress in Chemistry. 18(2006)721-726.

[12] W Barthlott and C Neinhuis, Purity of the sacred lotus, or escape from contamination in biological surfaces, Planta. 202(1997)1-8.

DOI: 10.1007/s004250050096

[13] H. Zhang, Z. Jiang, X. Liu, J. Lian, An investigation of smooth nanosized copper films on glass surface by improved electroless plating, Surf. Rev. Lett. 13 (2006) 471-476.

DOI: 10.1142/s0218625x0600844x

[14] T Young, An essay on the cohesion of fluids, Philos. Trans. R. Soc. London 95(1805) 65-87.