Thickness of Nanoscale Poly(Dimethylsiloxane) Layers Determines the Motion of Sliding Water Drops
Xiaoteng Zhou,
Yongkang Wang,
Xiaomei Li
et al.
Abstract:Layers of nanometer thick polydimethylsiloxane (PDMS) are applied as hydrophobic coatings because of their environmentally‐friendly and chemically‐inert properties. In applications such as heat exchangers or fog harvesting, low water drop friction on surfaces is required. While the onset of motion (static friction) has been studied, our knowledge of dynamic friction needs to be improved. Which processes lead to energy dissipation and cause dynamic friction? This knowledge is important to minimize friction. Her… Show more
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