Research / 2019 / Article / Fig 3

Research Article

Emission Enhancement of Fluorescent Molecules by Antireflective Arrays

Figure 3

SEM images of the nanohole arrays with the depth of (a) 120 nm, (b) 295 nm, (c) 440 nm, (d) 585 nm, and (e) 750 nm. (f) Correlation of the refractive index and depths of nanohole arrays, the sample is shown in Figure 2(e). The scale bar represents 500 nm.