Steptoe & Johnson LLP
Anti-fingerprint photocatalytic nanostructure for transparent surfaces
Titania-based porous nanoparticle coatings are mechanically robust, with low haze, which exhibit short time scales for decomposition of fingerprint oils under ultraviolet light. The mechanism by which a typical dactylogram is consumed combines wicking of the sebum into the nanoporous titania structure followed by photocatalytic degradation. These TiO2 nanostructured surfaces are also anti-fogging, anti-bacterial, and compatible with flexible glass substrates and remain photocatalytically active in natural sunlight.
MASSACHUSETTS INSTITUTE OF TECHNOLOGY
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Robert E. Kyu Chul Hyungryul Johnny Michael F. Hyo Min Gareth H. George
Cohen Park Choi Rubner Lee McKinley Barbastathis