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Marjo Kettunen, Riitta J. Silvennoinen, Nikolay Houbenov, Antti Nykänen, Janne Ruokolainen, Jani Sainio, Viljami Pore, Marianna Kemell, Mikael Ankerfors, Tom Lindström, Mikko Ritala, Robin H. A. Ras and Olli Ikkala Photoswitchable Superabsorbency Based on Nanocellulose Aerogels Advanced Functional Materials 21

Version of Record online: 6 DEC 2010 | DOI: 10.1002/adfm.201001431

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Photoswitching between a water-superabsorbing state and a water-repellent state is demonstrated using highly porous, native nanocellulose aerogels coated with a thin TiO2 film by chemical vapor deposition. The nanofibril aggregations and porosity at different length scales are compared to those of similarly treated nanocellulose films and filter paper references.

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