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Third-party-funded project

Hierarchical Self-organisation of Cyclic Chromophore Arrays for Artificial Light Harvesting

Project management at the University of Würzburg:

Participating scientists:

In the light-harvesting system of purple bacteria hundreds of chromophores are hierarchically organized in cyclic arrays within a 2D membrane. In this project, we aim to constract a similar, but artificial system based on perylene bisimide dyes that are first organized in trimers to obtain metallacycles containing three perylene bisimides and up to twelve additional antenna dyes. The optical and photophysical properties of these supramolecular dye assemblies are investigated by UV/Vis and fluorescence spectroscopy and, in particular, by single molecule spectroscopy. In the subsequent step, these trimeric units are self-assembled on surfaces to give 2D pattern of interacting multichromophoric subunits.

Key words:
    Light-Harvesting Systems
    Metallosupramolecular Triangles
    2D Dye Assemblies
    Single Molecule Spectroscopy

Projekt period: from 11.2005 to 10.2008

Funding institution:
DFG ,Granting date: 17.11. 2005