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An Electrostatic Mechanism for the Formation of Hybrid Nanostructures Based on Gold Nanoparticles and Cationic Porphyrins
The interaction of cationic porphyrin with gold nanoparticles (GNPs) coated with polymer shells with positive and negative surface potentials in an aqueous solution is studied. The criteria for the formation of hybrid molecular-plasmon nanostructures based on the determination of the luminescence qu...
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Published in: | Russian journal of physical chemistry. B 2023-12, Vol.17 (6), p.1398-1402 |
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container_title | Russian journal of physical chemistry. B |
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creator | Povolotskiy, A. V. Soldatova, D. A. Lukyanov, D. A. Solovyeva, E. V. |
description | The interaction of cationic porphyrin with gold nanoparticles (GNPs) coated with polymer shells with positive and negative surface potentials in an aqueous solution is studied. The criteria for the formation of hybrid molecular-plasmon nanostructures based on the determination of the luminescence quenching mechanism according to the Stern–Volmer equation and the change in the shape of the porphyrin luminescence spectrum are established. The effect of the sign of the zeta potential of GNPs on the formation of hybrid molecular-plasmon nanostructures due to electrostatic interaction is established. |
doi_str_mv | 10.1134/S1990793123060192 |
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subjects | Aqueous solutions Cations Chemical Physics of Nanomaterials Chemistry Chemistry and Materials Science Gold Luminescence Nanoparticles Nanostructure Physical Chemistry Plasmons Porphyrins Zeta potential |
title | An Electrostatic Mechanism for the Formation of Hybrid Nanostructures Based on Gold Nanoparticles and Cationic Porphyrins |
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