Table 3: Treatment conditions and contact angle of deionized water, surface roughness and optical transmittance at 550 nm.
|
Discharge Gas |
Plasma configuration |
Power RF (W) |
Contact angle (°) |
Surface Roughness Rrms |
T (%) at 550 nm |
|
SF6 |
Pristine PET |
0 |
66 ± 2 [4] |
1.8 |
82 |
|
PECVD |
25 |
121 ± 2 |
1.4 |
82 |
|
|
PECVD |
100 |
124 ± 1 |
1.8 |
82 |
|
|
PIII |
25 |
136 ± 2 |
2.6 |
84 |
|
|
PIII |
100 |
137 ± 2 |
2.5 |
86 |
|
|
N2 |
PECVD |
25 |
4 ± 1 |
2.8 |
81 |
|
PECVD |
100 |
1.0 ± 0.5 |
4.4 |
86 |
|
|
PII |
25 |
39 ± 4 |
1.4 |
83 |
|
|
PIII |
100 |
38 ± 2 |
1.7 |
84 |