Fabrication of superhydrophobic surfaces with high and low adhesion inspired from rose petal.
Certain rose petals are known to be superhydrophobic with high adhesion. There also exist rose petals which are superhydrophobic with low adhesion similar to lotus leaf. The purpose of this study is to characterize systematically the superhydrophobic rose petal with high and low adhesion surfaces and understand the mechanism for adhesion characteristics. Based on these, artificial superhydrophobic surfaces with high and low adhesion are fabricated using a two-step molding process and wax evaporation method. It is shown that the pitch values of microstructures and density of nanostructures play an important role in real rose petals and artificial surfaces to control their adhesion properties.
Nanoprobe Laboratory for Bio- & Nanotechnology and Biomimetics, The Ohio State University, 201 West 19th Avenue, Columbus, Ohio 43210-1142, USA. Bhushan.2@osu.edu
Bharat
B
Bhushan
Eun Kyu
EK
Her
D035264:Flowers / Q000737:chemistry*; D008855:Microscopy, Electron, Scanning; D027826:Rosa / Q000737:chemistry*; D013499:Surface Properties