Helen Yang, Haijin Zhu, Marco M. R. M. Hendrix, Niek J. H. G. M. Lousberg, Gijsbertus de With, A. Catarina C. Esteves and John H. Xin Temperature-Triggered Collection and Release of Water from Fogs by a Sponge-Like Cotton Fabric (Adv. Mater. 8/2013) Advanced Materials 25
A sponge-like cotton fabric autonomously collects and releases water from fogs, triggered by day- and night temperature variations, typically encountered in dry areas. The reversible switching between absorbing-superhydrophilic/releasing-superhydrophobic states results from structural changes of a temperature-responsive polymer grafted on the highly rough fabric-surface, as reported by John H. Xin, A. Catarina C. Esteves and co-workers on page 1150. This breakthough may help to reduce water depletion in dry areas.
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