A transparent glass plate was roughened at the submicron level, and then a chemically adsorbed monolayer of a fluorocarbon compound was formed along the glass surface. The monolayer was prepared using the chemical coupling reaction accompanying dehydrochlorination between a chlorosilyl group of the heptadeca-fluorodecyltrichlorosilane (CF3(CF2)7(CH2)2SiCl3: HFTS) surface-active agent and a hydroxyl group on the glass surface. The contact angle of the glass surface relative to water was approximately 155 degrees with transmittance kept at 92%. This glass plate may be useful for various products, such as motor vehicles and building window glass.
A novel atomic force microscope (AFM) having a chemical sensing function has been proposed. Using an AFM having a tip on which surface sensor molecules were immobilized, the molecular lengths of chemically adsorbed molecules on the solid surface were discriminated for the first time.
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