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.
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