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NEWS
A Stable Surface Created
May 1, 2009

Working at the nanoscale level, University of Arkansas engineering researchers have created stable superhydrophilic surfaces on a glass substrate. The surfaces, made of randomly placed and densely distributed micronsized silicon islands with nanosized spikes, allow water to quickly penetrate textures and spread over the surface.

The research will aid in the development of commercial products with superior self-cleaning and anti-fogging properties and could lead to the design of microfuidic chips with a network of tracks or channels to better control the flow of liquid.

“Superhydrophilic surfaces exhibit self-cleaning properties because the surface has a higher affinity to water than to oils and other contaminants,” said Min Zou, associate professor of mechanical engineering and author of the study published in the Nanotechnology. “The surfaces also exhibit anti-fogging properties because a thin, uniform film of water that does not scatter light forms on the surface.”


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