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Home > News > Titania nanotube hydrogen sensors clean themselves

March 24th, 2004

Titania nanotube hydrogen sensors clean themselves

Self-cleaning hydrogen sensors may soon join the ranks of self-cleaning ovens, self-cleaning windows and self-cleaning public toilets, according to Penn State researchers. "The photocatalytic properties of titania nanotubes are so large - a factor of 100 times greater than any other form of titania - that sensor contaminants are efficiently removed with exposure to ultraviolet light, so that the sensors effectively recover or retain their original hydrogen sensitivity in real world application," says Dr. Craig A. Grimes, associate professor of electrical engineering and materials science and engineering.


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