Table 2 Results from the optical characterization of the samples after the pore widening and before the deposition of gold
From: Engineering optical properties of gold-coated nanoporous anodic alumina for biosensing
Pore widening time (min) | NAA film porosity, P(%) | NAA film effective refractive index, neff | Estimated pore diameter, Dp(nm) |
|---|---|---|---|
0 | 14.3 | 1.65 | 38.6 |
6 | 23.1 | 1.58 | 51.2 |
12 | 44.6 | 1.41 | 72.3 |
18 | 71.2 | 1.20 | 90.9 |