A Simple Way to Achieve Self-Cleaning Surfaces with Unique Antifouling Property

Table 2

Surface free energies and CAs of laser-treated specimens after fluorination.

Samples	Surface free energy (mN/m)	Standard deviation	Water contact angle (°)	Standard deviation
304SS	17.47	1.29	103	0.55
S1	5.15	0.09	162	0.81
S2	3.13	0.16	160	0.80
S3	1.96	0.42	144	0.72
S4	2.55	0.14	151	0.75
S5	0.94	0.05	146	0.73
S6	2.37	0.23	150	0.75