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Writing with light on titania: Rewritable UV-sensitive surfaces made from doped TiO2 nanocrystals

At Phys Org, researchers have succeeded in producing a coating material that can be written on using UV light and the writing erased again using oxygen. Changes to rewritable paper could help reduce paper waste in a wide variety of applications. The material is made from three non-toxic components and is produced in a single…

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