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Photochemistry and Supramolecular Chemistry

Photochemical Nanosciences Laboratory

Giacomo Bergamini, Paola Ceroni, Marco Montalti, Luca Prodi, enrico Rampazzo, Serena Silvi, Margherita Venturi, Nelsi Zaccheroni

The research activities of the group comprise the following research lines:

  • photoactive and electroactive dendrimers;
  • systems for the conversion of light energy;
  • mechanical molecular machines, based on topologically complex species such as catenanes and rotaxanes;
  • photoreactive systems and materials (e.g., photochromic species);
  • luminescent sensors and labels, both molecular and nanostructured, for biomedical and environmental applications;
  • nanosystems for information processing;
  • metal, magnetic and silica luminescent nanoparticles, including multi-shell particles;
  • functionalized luminescent semiconductor and metal nanocrystals;

The laboratory is equipped for organic and inorganic syntheses, and can count on a wide range of absorption and emission spectroscopic techniques, both steady state and time resolved with time resolution from ps to s. It is also equipped for UV-visible photochemical irradiation experiments and for electrochemical measurements (voltammetry, amperometry, electrolysis) possibly in combination with spectroscopic methods (spectroelectrochemistry, electrochemiluminescence). Instruments for dynamic light scattering, atomic force microscopy and fluorescence confocal microscopy are also available.

The activities of the group deal with basic frontier research in the area of nanoscience. These activities, however, can be of interest for short term applications in the fields of analytical sciences (chemosensors), medical diagnostics and therapy (biosensors, sensitizers for photothermal/photodynamic therapy, drug delivery systems), solar energy conversion (antennas, photosensitizers, charge-separation centers, catalysts), light sources (LEDs, LECs), advanced materials and devices (memories, logic circuits, molecular machines and motors).

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