Figure 3.

The shape of water and oil droplet on the as-prepared mesh film. (a) Water contact angle about 157 ± 1°, (b) oil contact angle about 0°, and (c) permeating behavior of oil on the mesh film.

Li et al. Nanoscale Research Letters 2013 8:183   doi:10.1186/1556-276X-8-183
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