Linking structure and optical properties of plasmonic nanoparticles on tunable spherical surfaces
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arXiv
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| Main Authors: | , , , , , , , , , , |
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| Format: | Preprint |
| Published: |
2024
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| _version_ | 1866910895677898752 |
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| author | Brasili, Francesco Capocefalo, Angela Del Monte, Giovanni Rivas-Barbosa, Rodrigo Pérez, Javier Chauveau, Edouard Bordi, Federico Rizza, Carlo Truzzolillo, Domenico Zaccarelli, Emanuela Sennato, Simona |
| author_facet | Brasili, Francesco Capocefalo, Angela Del Monte, Giovanni Rivas-Barbosa, Rodrigo Pérez, Javier Chauveau, Edouard Bordi, Federico Rizza, Carlo Truzzolillo, Domenico Zaccarelli, Emanuela Sennato, Simona |
| contents | The complexation of plasmonic nanoparticles (NPs) and thermoresponsive microgels is widely exploited for applications, but a microscopic description of the mechanisms governing the spatial organization of the NPs is still lacking. Combining small angle X-ray scattering, state-of-the-art simulations and a simple toy model, we uncover how the volume phase transition of microgels controls NP-NP interactions, establishing for the first time a microscopic link between plasmon coupling and NP local structure. Our study paves the way to experimentally investigate phase transitions on controlled curved surfaces at the nanoscale. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2407_03124 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | Linking structure and optical properties of plasmonic nanoparticles on tunable spherical surfaces Brasili, Francesco Capocefalo, Angela Del Monte, Giovanni Rivas-Barbosa, Rodrigo Pérez, Javier Chauveau, Edouard Bordi, Federico Rizza, Carlo Truzzolillo, Domenico Zaccarelli, Emanuela Sennato, Simona Soft Condensed Matter Optics The complexation of plasmonic nanoparticles (NPs) and thermoresponsive microgels is widely exploited for applications, but a microscopic description of the mechanisms governing the spatial organization of the NPs is still lacking. Combining small angle X-ray scattering, state-of-the-art simulations and a simple toy model, we uncover how the volume phase transition of microgels controls NP-NP interactions, establishing for the first time a microscopic link between plasmon coupling and NP local structure. Our study paves the way to experimentally investigate phase transitions on controlled curved surfaces at the nanoscale. |
| title | Linking structure and optical properties of plasmonic nanoparticles on tunable spherical surfaces |
| topic | Soft Condensed Matter Optics |
| url | https://arxiv.org/abs/2407.03124 |