The "Save the date" poster for the Kohl & Pinkel institute festival. Visible are two knights and a castle and in the center is a coat of arms

Kohl & Pinkel 2025

June 06, 2025

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A laser interacts with a graphene lattice, creating wave patterns and electronic effects.

Efficiently utilizing the hot carriers – electrons and holes whose energy distribution deviates significantly from the equilibrium distribution, is the key to a broad range of emerging applications, for example, photovoltaics and photocatalysis. Even though the exploitation of hot carriers from nanoscale systems has tremendous potential, optimizing and realizing nanostructures tailored for the above-mentioned applications continues to be challenging. The primary rationale behind this roadblock is the inability to directly investigate hot carriers at their intrinsic spatial length (~ Angstrom), time (~ femtoseconds) and energy (~ electron volts) scales, due to the difficulty in achieving all the three resolutions simultaneously in state-of-the-art experiments. By developing broadband nonlinear spectroscopy at the atomic space-time resolutions, researchers from Max Planck Institute for Solid State Research (MPI-FKF) and Politecnico di Milano have now succeeded in capturing the dynamics of hot carriers in a single molecule. more

A small flower with metallic leaves growing out of a lightbulb.

Once again, excellent! e-conversion secures further excellence funding. more

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