Is there any treatment for changing a silicon nitride tip into hydrophilic?
Try to expose the tip with UV light. Or, if you have a oxygen plasma reactor, try it. That is the way to change the tip surface in a short time. In our experience, 10 sec is enough to change it. • Is there any treatment for changing a silicon nitride tip into hydrophobic? Coating a tip with silane coupler was reported in a conference. • I am interested in silane treatment for silicon nitride probe. How much oxygen is contained on the surface? According to the result of our latest XPS analysis of silicon nitride film for OLYMPUS cantilever, Silicon, Nitrogen, Oxygen and Carbon are detected on the surface of the film. Our silicon nitride is silicon-riched for reducing the internal film stress. Carbon is due to the contamination layer on the silicon nitride film and its concentration is 11.6%. The carbon is reduced less than 5% by oxygen plasma treatment. Similar reduction is observed by H2SO4 + H2O2. Ethanol works a little to remove carbon from the contamination. 8% of carbon is detected
