biostudies-literatureJumbo-Nogales ADepartment 301 of Education of the Basque GovernmentMCIN/AEI/ 10.13039/501100011033 and the European Union NextGenerationEU/PRTRSpanish MICIU for Juan de la Ciervathe Office of Naval Research Global35https://www.ebi.ac.uk/biostudies/studies/S-EPMC10780452biostudies-literatureUnknown14(1)Plexcitonic systems based on metal nanostructures and molecular J-aggregates offer an excellent opportunity to explore the intriguing interplay between plasmonic excitations and excitons, offering unique insights into light-matter interactions at the nanoscale. Their potential applications in photocatalysis have prompted a growing interest in both their synthesis and the analysis of their properties. However, in order to construct a high-performing system, it is essential to ensure chemical and spectral compatibility between both components. We present the results of a study into a hybrid system, achieved through the coupling of gold nanobipyramids with organic molecules, and demonstrate the strengthened photochemical properties of such a system in comparison with purely J-aggregates. Our Nanomaterials (Basel, Switzerland)Unveiling the Synergy of Coupled Gold Nanoparticles and J-Aggregates in Plexcitonic Systems for Enhanced Photochemical Applications.PMC10780452FJC2021-047710-IIT1526-22N62909-22-1-2031TED2021-129457B-I00Rao ARakovich YOlejniczak AJumbo-Nogales AGrzelczak MfalseUnveiling the Synergy of Coupled Gold Nanoparticles and J-Aggregates in Plexcitonic Systems for Enhanced Photochemical Applications.Plexcitonic systems based on metal nanostructures and molecular J-aggregates offer an excellent opportunity to explore the intriguing interplay between plasmonic excitations and excitons, offering unique insights into light-matter interactions at the nanoscale. Their potential applications in photocatalysis have prompted a growing interest in both their synthesis and the analysis of their properties. However, in order to construct a high-performing system, it is essential to ensure chemical and spectral compatibility between both components. We present the results of a study into a hybrid system, achieved through the coupling of gold nanobipyramids with organic molecules, and demonstrate the strengthened photochemical properties of such a system in comparison with purely J-aggregates. Our 2023-01-01T00:00:00Z2023 Dec2025-04-22T10:33:50.536Z2025-04-05T23:40:50.55ZS-EPMC107804523820249110.3390/nano14010035