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Supramolecular devices at surfaces

Objective

SUPER will offer a multidisciplinary training to young researchers in the art of nanoscience and nanotechnology, in particular on the building-up of key units for the future organic nanoelectronics. Research will include synthesis, analysis, self-assembly of supramolecular (SM) architectures at surfaces, their Characterisation across a wide range of length and time scales and their use in the fabrication of wires, switches and motors operating at surfaces. Scanning Probe Microscopies (SPMs) will grant study of the nanoscale physico-chemical properties of self-assembled complex arrangements and the manipulation of single molecules embedded in a SM ensemble. Observing how the induced mechano-chemical transition is reflected on the neighbouring molecules, one can tune the properties of the SM architecture at surfaces, paving the way towards prototypes of nanowires. Nanofabrication of metallic nanoelectrodes and SM synthesis provide tools for the implementation of nanowires.

Systematic studies on the optimisation of the conductivity of SM anisotropic objects will be done varying the wire: chemical composition; conformation; length; doping. This will offer protocols for the fabrication of SM nanowires. SM switches operating at surfaces will be developed, where the motion will be triggered by different stimuli, i.e. light, variation of pH, an applied redox potential. Rod-like molecules capable of switching between coiled to rigid conformations will permit to bridge and unbridge the gap between two nanoelectrodes, controlling the on-off switching. Prototypes of molecular motors based on rotaxanes, where the switching is accompanied by an action, i.e. a delivery of a small moiety, will be fabricated. This research on the fabrication of key units for future nanoelectronics, will be vital for implementing organic based integrated circuits and for the optimisation of macroscopic devices, such as Light Emitting Diodes, Solar Cells and Field Effect Transistors.

Call for proposal

FP6-2002-MOBILITY-2
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Coordinator

UNIVERSITE LOUIS PASTEUR DE STRASBOURG
EU contribution
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Address
rue Blaise Pascal,4
STRASBOURG
France

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