Dr. Marina Gerhard
Philipps-Universität Marburg
Department of Physics
Renthof 5, 35032 Marburg
Phone: +49 6421 28-22122
Fax: +49 6421 28-27036
Email: marina.gerhard@physik.uni-marburg.de
Expertise
Organic and inorganic semiconductors, disordered materials, optical and terahertz spectroscopy, time-resolved photoluminescence spectroscopy, photoluminescence microscopy
University Education
2016 |
Doctoral degree in Physics (Dr. rer. nat.), Philipps-Universität Marburg, supervisor: Prof. Martin Koch |
2011 | Master degree in Physics (M. Sc.), Philipps-Universität Marburg, supervisor: Prof. Martin Koch |
2006-11 | Undergraduate and graduate studies of physics, Universität Marburg (Bachelor degree in 2009) |
Professional Experience
2019- | Postdoc, Department of Physics (Prof. M Koch), Philipps-Universität Marburg |
2016-19 | Postdoc, Department of Chemical Physics (Prof. Ivan Scheblykin), Lund University |
Honours, Awards and other Proofs of Qualification
2017-19 | Postdoctoral Fellowship (Wenner-Gren Foundation, Sweden) |
2012-14 | EXIST scholarship (BMWi) |
Selected Publications
- R. J. B. Dietz, M. Gerhard, D. Stanze, M. Koch, B. Sartorius, M. Schell, THz generation at 1.55 µm excitation: six-fold increase in THz conversion efficiency by separated photoconductive and trapping regions, Opt. Express 19, 25911 (2011).
- A. P. Arndt, M. Gerhard, A. Quintilla, I. A. Howard, M. Koch, U. Lemmer, Time-Resolved Charge-Transfer State Emission in Organic Solar Cells: Temperature and Blend Composition Dependence of Interfacial Traps, J. Phys. Chem. C 119, 13516 (2015).
- M. Gerhard, A. P. Arndt, I. A. Howard, A. Rahimi-Iman, U. Lemmer, M. Koch, Temperature and Energy-Dependent Separation of Charge-Transfer States in PTB7-Based Organic Solar Cells, J. Phys. Chem. C 119, 28309 (2015).
- V. Belova, P. Beyer, E. Meister, T. Linderl, M.-U. Halbich, M. Gerhard, S. Schmidt, T. Zechel, T. Meisel., A. V. Generalov, A. S. Anselmo, R. Scholz, O. Konovalov, A. Gerlach, M. Koch, A. Hinderhofer, A. Opitz, W. Brütting, F. Schreiber, Evidence for Anisotropic Electronic Coupling of Charge Transfer States in Weakly Interacting Organic Semiconductor Mixtures, J. Am. Chem. Soc. 139, 8474 (2017).
- A. P. Arndt, M. Gerhard, M. Koch, U. Lemmer, I. A. Howard, Identifying Charge-Transfer States in Polymer: Fullerene Heterojunctions by Their Emission Polarization Anisotropy, J. Phys. Chem. C 121, 6357 (2017).
- K. Broch, M. Gerhard, M. Halbich, S. Lippert, V. Belova, M. Koch, F. Schreiber, Time‐resolved photoluminescence spectroscopy of charge transfer states in blends of pentacene and perfluoropentacene, Phys. Stat. Solidi (RRL) 11, 1700064 (2017).
- M. Gerhard, A. P. Arndt, M. Bilal, U. Lemmer, M. Koch, I. A. Howard, Field-induced exciton dissociation in PTB7-based organic solar cells, Phys. Rev. B 95, 195301 (2017).
- A. Merdasa, A. Kiligaridis, C. Rehermann, M. Abdi-Jalebi, J. Stöber, B. Louis, M. Gerhard, S. D. Stranks, E. L. Unger, I. G. Scheblykin, Impact of Lead Iodide on the Recombination Kinetics in Metal Halide Perovskites, ACS Energy Lett. 4, 1370 (2019).
- M. Gerhard, B. Louis, R. Camacho, A. Merdasa, J. Li, A. Kiligaridis, A. Dobrovolsky, J. Hofkens, I. G. Scheblykin, Microscopic insight into non-radiative decay in perovskite semiconductors from temperature-dependent luminescence blinking, Nat. Commun. 10, 1698 (2019).
- E. Geringer, E. Leusmann, F. Tamborino, M. Gerhard, M. Koch, S. Dehnen, Trapping of ZnCl2 by bipyridyl-functionalized organotin sulfide clusters, and its effect on optical properties, Chem. Commun. 56, 4769 (2020).