Research Article

Ag Nanorod Arrays for SERS: Aspects of Spectral Reproducibility, Surface Contamination, and Spectral Sensitivity

Figure 5

SERS spectra of three free-base porphyrins on AgOADs: (a) H2TSPP, 3 × 10−7 M, (b) H2TMAP, 3 × 10−7 M, and (c) H2TMPyP, 5 × 10−7 M concentrations. Spectra are baseline corrected and shifted in vertical scale for the sake of clarity. Inset: chemical structure of porphyrins.