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The Soft Matter Physics Group at University of Potsdam

The Soft Matter Physics group invites applications for a Postdoctoral position in the area of Non-Equilibrium Phenomena in Organic and Hybrid Photovoltaics (details enclosed).
For further information please contact Prof. Dr. Dieter Neher (neher@uni-potsdam.nomorespam.de).

The groups of Dr. Safa Shoaee and Prof. Dieter Neher invite applications for experimental postdoctoral and PhD positions in the field of optoelectronics of disordered semiconductors (details enclosed).
For further information please contact Dr. Safa Shoaee (shoai@uni-potsdam.nomorespam.de).

Photo: Jona Kurpiers
White light generation in our transient absorption setup

The research of the “Soft Matter Physics” group is concerned with understanding the physical processes in soft matter semiconductors, including organic and more recently organo-metallic perovskite semiconductors, and at their interfaces with inorganic semiconductors and metals.

Our particular focus is on the nature and dynamics of excitations and charges in these systems, with the goal of improving their performance in electronic and optoelectronic applications. The group has therefore installed a variety of transient techniques, designed to follow the fate of these excitations in functional devices on all relevant time scales, from sub-picoseconds through steady state. The group is particularly known for our time-delayed collection field setup, which is unique with regard to temporal resolution and sensitivity, but we also make use of various all-optical techniques including steady state and time resolved fluorescence spectroscopy and femtosecond transient absorption. The results of these measurements serve as inputs for extensive drift-diffusion simulations, and for the development of analytical models to describe the function of entire devices.

With this knowledge at hand, materials and device structures are further optimized, with the prospect to push the optoelectronic performance parameters beyond current limits.

  • A warm welcome to Meysam Raoufi- a new guest researcher in our group who will work on hybrid inorganic-organic interfaces during his time here.
  • Congratulations to Lorena for having successfully defended her Master thesis!
  • Steffen has defended his PhD thesis, and is now Dr. Steffen Roland. Hearty congratulations!

Recent Publication

Elisa Collado et al. discuss the impact of donor:acceptor intercalation on charge separation and recombination in blended films and OPVs . Read more here.

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