Figure 4

Curves of the cosine of apparent contact angle of dilute SDS droplets on different PDMS films versus the square of applied voltage. (a) PDMS 5:1, (b) PDMS 10:1, (c) PDMS 20:1.

Curves of the cosine of apparent contact angle of dilute SDS droplets on different PDMS films versus the square of applied voltage. (a) PDMS 5:1, (b) PDMS 10:1, (c) PDMS 20:1.