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Linking microscopic structure to optical properties in soft plasmonic complexes
- Publication Year :
- 2024
-
Abstract
- The complexation of plasmonic nanoparticles (NPs) and thermoresponsive microgels is widely exploited for applications. Yet, a microscopic description of the mechanisms governing spatial organization of the NPs is still lacking. Combining small angle X-ray scattering, state-of-the-art numerical simulations and a simple toy model, we uncover how the volume phase transition of microgels drives NP-NP interactions, inducing NP progressive rearrangement with temperature. These results are directly compared to the extinction spectra of microgel-NPs complexes, allowing us to establish for the first time a microscopic link between plasmon coupling and NP local structure.
- Subjects :
- Condensed Matter - Soft Condensed Matter
Physics - Optics
Subjects
Details
- Database :
- arXiv
- Publication Type :
- Report
- Accession number :
- edsarx.2407.03124
- Document Type :
- Working Paper