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Prof. Dr. Benjamin Dietzek

Work group

Research Group Molecular Photonics

Dr. Benjamin Dietzek Address: Helmholtzweg 4
D-07743 Jena
Room: E012, Bureau building
Phone: ++49-3641/9-48360
Fax: ++49-3641/9-48302

Structural dynamics, Femtosecond time-resolved spectroscopy, Time-resolved CARS, Artificial Light Harvesting, Biological Chromophores, CARS Microscopy

Field of action

The scientific work of Dr. Benjamin Dietzek addresses the application of femtosecond time-resolved spectroscopy and non-linear micro-spectroscopy in biophotonics and material photonics. Different experimental techniqiues are combined in order to characterize the light-induced charge transfer steps in novel artificial light collecting molecules or to describe the initial photo triggered processes of biological chromophores ad photo receptors. Beside the description of reaction dynamics, markerfree micro-spectroscopic investigations of biological problems and transport processes take centre stage.

Research projects

  • Structure and light-induced dynamics of biological photo receptors
  • Structure and light-induced dynamics of artificial light-collecting units, novel solar cells ans innovative OLED materials
  • Coherent control of ultrafast reaction dynamics
  • Investigation of protein interactions in solution
  • Methodic investigations concerning photon echo spectroscopy
  • Impulsive stimulated Raman scattering
  • Novel approaches in ultramicroscopy and its apllication

Publications of Benjamin Dietzek

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Peer-reviewed Publications

126.Linda Zedler, Sven Krieck, Stephan Kupfer and Benjamin Dietzek,
Resonance Raman Spectro-Electrochemistry to Illuminate Photo-Induced Molecular Reaction Pathways.
Molecules, 24(2), 245 (2019).
125.Ying Zhang, Philipp Traber, Linda Zedler, Stephan Kupfer, Stefanie Gräfe, Martin Schulz, Wolfgang Frey, Michael Karnahl and Benjamin Dietzek,
Cu(I) vs. Ru(II) complexes — photophysical and electrochemical behavior of a series of structurally related photosensitizers.
Phys. Chem. Chem. Phys., 10.1039/C8CP04595J (2018).
124.Julian Schindler, Philipp Traber, Linda Zedler, Ying Zhang, Jean-Francois Lefebvre, Stephan Kupfer, Stefanie Gräfe, Martine Demeunynck, Murielle Chavarot-Kerlidou and Benjamin Dietzek,
Photophysics of a Ruthenium Complex with a π-Extended Dipyridophenazine Ligand for DNA Quadruplex Labeling.
J. Phys. Chem. A, 10.1021/acs.jpca.8b05274 (2018).
123.Jean-François Lefebvre, Julian Schindler, Philipp Traber, Ying Zhang, Stephan Kupfer, Stefanie Gräfe, Isabelle Baussanne, Martine Demeunynck, Jean-Marie Mouesca, Serge Gambarelli, Vincent Artero, Benjamin Dietzek and Murielle Chavarot-Kerlidou,
An artificial photosynthetic system for photoaccumulation of two electrons on a fused dipyridophenazine (dppz) – pyridoquinolinone ligand .
Chem. Sci., 10.1039/C7SC04348A (2018).
122.Julian Schindler, Stephan Kupfer, Aoife A. Ryan, Keith J. Flanagan, Mathias O. Senge and Benjamin Dietzek,
Sterically induced distortions of nickel(II) porphyrins – Comprehensive investigation by DFT calculations and resonance Raman spectroscopy.
Coord. Chem. Rev., 360, 1-16 (2018).
121.Robert Geitner, Stefan Götz, Robert Stach, Michael Siegmann, Patrick Krebs, Stefan Zechel, Kristin Schreyer, Andreas Winter, Martin D. Hager, Ulrich S. Schubert, Stefanie Gräfe, Benjamin Dietzek, Boris Mizaikoff, Michael Schmitt and Jürgen Popp,
Hydrogel-Embedded Model Photocatalytic System Investigated by Raman and IR Spectroscopy Assisted by Density Functional Theory Calculations and Two-Dimensional Correlation Analysis.
J. Phys. Chem. A, 122(10), 2677-2687 (2018).
120.Stephan Kupfer, Daniel Kinzel, Michael Siegmann, Jule Philipp, Benjamin Dietzek and Stefanie Gräfe,
Fate of Photo-Excited Molecular Antennae - Inter-Molecular Energy Transfer vs. Photodegradation Assessed by Quantum Dynamics.
J. Phys. Chem. C, 10.1021/acs.jpcc.7b12190 (2018).
119.Kilian Rolf Anton Schneider, Philipp Traber, Christian Reichardt, Henning Weiss, Stephan Kupfer, Helmar Görls, Stefanie Gräfe, Wolfgang Weigand and Benjamin Dietzek,
Unusually Short-Lived Solvent-Dependent Excited State in a Half-Sandwich Ru(II) Complexe Induced by Low-Lying 3MC States.
J. Phys. Chem. A, 10.1021/acs.jpca.7b11470 (2018).
118.Julian Schindler, Ying Zhang, Philipp Traber, Jean-Francois Lefebvre, Stephan Kupfer, Martine Demeunynck, Stefanie Gräfe, Murielle Chavarot-Kerlidou and Benjamin Dietzek,
A ππ State Enables Photoaccumulation of Charges on a π-Extended Dipyridophenazine Ligand in a Ru(II) Polypyridine Complex.
J. Phys. Chem. C, 122(1), 83-95 (2018).
117.Stefan Zechel, Robert  Geitner, Marcus  Abend, Michael  Siegmann, Marcel  Enke, Natascha Kuhl, Moritz  Klein, Jürgen  Vitz, Stefanie  Gräfe, Benjamin  Dietzek, Michael  Schmitt, Jürgen  Popp, Ulrich S.  Schubert and Martin D.  Hager,
Intrinsic self-healing polymers with a high E-modulus based on dynamic reversible urea bonds.
NPG Asia Materials, 9, e420 (2017).

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