ArticleThe journal of physical chemistry. C, Nanomaterials and interfaces2023
Aggregates of Cyanine Dyes: When Molecular Vibrations and Electrostatic Screening Make the Difference.
Article in The journal of physical chemistry. C, Nanomaterials and interfaces, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.
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Who cites it
6 citing papers in PubMed.
- Molecular engineering of Cyanine-Hoechst hybrid materials for nanoscale DNA and chromatin imaging.JPhys materials · 2026Article
- Quatsomes as versatile fluorescent nanocarriers: stable Eosin Y loading and FRET with a membrane dye.Nanoscale advances · 2026Article
- A New Class of Anionic Near-Infrared Fluorescent Dyes with 1,6-Diheterophenalene-2,5-dione End Groups.Chemical & biomedical imaging · 2026Article
- Determination of Phosphate as an Ion-Association Complex of 11-Molybdovanadophosphate and Diindodicarbocyanine Based on Selective Oxidation of Excess Dye.Molecules (Basel, Switzerland) · 2025Article
- Erythrocyte nano-ghosts with dual optical and magnetic resonance characteristics.Journal of biomedical optics · 2024Article
- Dual-Modal Near-Infrared Organic Nanoparticles: Integrating Mild Hyperthermia Phototherapy with Fluorescence Imaging.International journal of nanomedicine · 2024Article
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Authors and funding
6 authors.
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Abstract
Aggregates of cyanine dyes are currently investigated as promising materials for advanced electronic and photonic applications. The spectral properties of aggregates of cyanine dyes can be tuned by altering the supramolecular packing, which is affected by the length of the dye, the presence of alkyl chains, or the nature of the counterions. In this work, we present a joint experimental and theoretical study of a family of cyanine dyes forming aggregates of different types according to the length of the polymethinic chain. Linear and nonlinear optical spectra of aggregates are rationalized here in terms of an essential-state model accounting for intermolecular interactions together with the molecular polarizability and vibronic coupling. A strategy is implemented to properly account for screening effects, distinguishing between electrostatic intermolecular interactions relevant to the ground state (mean-field effect) and the interactions relevant to the excited states (excitonic effects). To the best of our knowledge, this is the first attempt to simulate nonlinear spectral properties of aggregates of symmetric dyes accounting for molecular vibrations.
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Registered trials
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