(4a) AFM Measurements of Adhesion Force on Hydrophobic Surfaces
The experiments have been conducted using alumina surfaces. To modify the surface organic silane chemistry has been used, the maximum contact angle to pure water amounts to 104Â°. The properties of the pore liquid has been adjusted via the mixing ration of water to alcohol (ethanol / methanol). The use of liquid mixtures also shows selective adsorption on the hydrophobic surface â the organic compound acts as a surfactant.
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