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

Table 1

Surface free energies and CAs of specimens after laser irradiation.

Samples	Surface free energy (mN/m)	Standard deviation	Water contact angle (°)	Standard deviation
304SS	42.22	1.98	83	0.41
S1	23.09	0.44	152	0.76
S2	33.20	0.17	145	0.72
S3	45.02	0.57	138	0.69
S4	50.00	0.50	127	0.69
S5	59.56	0.21	11	0.05
S6	60.12	0.17	9	0.04