Figure 3.

Representation of water droplets in different conditions. (a) Schematic figure of tiny water droplets sprayed from a nebulizer. (b) Tiny water droplets on CNTs/Si-μp surface. (c) Water droplets on CNTs/Si-μp after three time tests. (d) Water droplets on CNTs/Si surface.

He et al. Nanoscale Research Letters 2013 8:412   doi:10.1186/1556-276X-8-412
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