Crystalline two-dimensional domains of cyanine dyes at interfaces

S. Kirstein, H. Möhwald, Masatsugu Shimomura

    Research output: Contribution to journalArticlepeer-review

    61 Citations (Scopus)


    The formation of two-dimensional crystalline J-aggregates of a negatively charged water-soluble cyanine dye at a monolayer of a dimethylammonium amphiphile is observed by fluorescence microscopy and spectroscopy. It is demonstrated that domain size and morphology and spectroscopic properties can be controlled via the surface layer. The formation of rod-shaped crystalline aggregates tightly bound to the surface layer is established. These domains are of uniform size and shape, and order due to long-rang electrostatic repulsion.

    Original languageEnglish
    Pages (from-to)303-308
    Number of pages6
    JournalChemical Physics Letters
    Issue number4
    Publication statusPublished - 1989 Jan 27

    ASJC Scopus subject areas

    • Physics and Astronomy(all)
    • Physical and Theoretical Chemistry


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