Fig. 6From: Raman and Luminescent Spectra of Sulfonated Zn Phthalocyanine Enhanced by Gold NanoparticlesFluorescence spectra of ZnPCSulf solutions with and without Au-SiO2 nanoparticles: a for an excitation resonant to the Soret band of the ZnPCSulf (λ exc = 405 nm) and (b) for an excitation wavelength resonant to the dipolar plasmon mode of the gold nano-islands (λ exc = 532 nm)Back to article page