Abstract
interaction of cationic porphyrin with gold nanoparticles (GNPs) coated with polymer shellswith positive and negative surface potentials in an aqueous solution is studied. The criteria for the formationof hybrid molecular-plasmon nanostructures based on the determination of the luminescence quenchingmechanism according to the Stern-Volmer equation and the change in the shape of the porphyrin luminescencespectrum are established. The effect of the sign of the zeta potential of GNPs on the formation of hybridmolecular-plasmon nanostructures due to electrostatic interaction is established.
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