ArticleThe journal of physical chemistry letters2022
Ultrafast Dynamics of Multiple Plexcitons in Colloidal Nanomaterials: The Mediating Action of Plasmon Resonances and Dark States.
Article in The journal of physical chemistry letters, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.
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Who cites it
7 citing papers in PubMed.
- Strong light-matter interactions in hybrid polaritonic systems.Chemical communications (Cambridge, England) · 2026Review
- Ultrafast Excited-State Dynamics of a Porphyrin-OPE Conjugate: Energy Transfer and Aggregation Effects.The journal of physical chemistry. C, Nanomaterials and interfaces · 2025Article
- Role of Vibrational-Assisted Scattering and Surface-Enhanced Raman Scattering in Colloidal Plexcitonic Materials.ACS nano · 2025Article
- Molecular Polaritons for Chemistry, Photonics and Quantum Technologies.Chemical reviews · 2024Review
- The Rise and Current Status of Polaritonic Photochemistry and Photophysics.Chemical reviews · 2023Review
- Identification of Design Principles for the Preparation of Colloidal Plexcitonic Materials.Langmuir : the ACS journal of surfaces and colloids · 2023Article
- Sub-picosecond collapse of molecular polaritons to pure molecular transition in plasmonic photoswitch-nanoantennas.Nature communications · 2023Article
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Authors and funding
3 authors.
Funding
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Abstract
Plexcitons, that is, mixed plasmon-exciton states, are currently gaining broad interest to control the flux of energy at the nanoscale. Several promising properties of plexcitonic materials have already been revealed, but the debate about their ultrafast dynamic properties is still vibrant. Here, pump-probe spectroscopy is used to characterize the ultrafast dynamics of colloidal nanohybrids prepared by coupling gold nanoparticles and porphyrin dyes, where one or two sets of plexcitonic resonances can be selectively activated. We found that these dynamics are strongly affected by the presence of a reservoir of states including plasmon resonances and dark states. The time constants regulating the plexciton relaxations are significantly longer than the typical values found in the literature and can be modulated over more than 1 order of magnitude, opening possible interesting perspectives to modify rates of chemically relevant molecular processes.
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Registered trials
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