Figure 2

Contact angle images of SS with different CTS content: (a) 0.0 wt%, (b) 1.5 wt%, (c) 2.0 wt%, (d) 2.5 wt%, (e) 3.0 wt%, (f) 3.5 wt%.

Contact angle images of SS with different CTS content: (a) 0.0 wt%, (b) 1.5 wt%, (c) 2.0 wt%, (d) 2.5 wt%, (e) 3.0 wt%, (f) 3.5 wt%.