Journal for Biophysical Chemistry
Table 1 Dimensions of pillars/etch pits produced from different etching time (14, 18, 22, 26 and 30 h), including the pillar base diameter/track-opening diameter 2r, pillar height/track depth d and aspect ratio (d/2r) and profile (phase)
Etching time (h) | 14 | 18 | 22 | 26 | 30 |
|---|---|---|---|---|---|
Opening diameter of track (diameter of pillar base) (μm) | 17.7 | 23.7 | 30.2 | 37.1 | 43.9 |
Depth of track (height of pillar) (μm) | 15.4 | 15.4 | 15.4 | 15.4 | 15.4 |
Aspect ratio | 0.87 | 0.65 | 0.51 | 0.42 | 0.35 |
Profile | Semi-spherical | Nearly spherical | Spherical | ||