One-page view of all members

  • The results are being filtered by the character: G

GERHARD, Marina Dr.

Photo of Dr. Marina GERHARD
Principal InvestigatorPhilipps-Universität MarburgDepartment of PhysicsRenthof 35032 MarburgPhone: +49-6421 28-22122Link: Project B10 (Gerhard)Link: Biography

University Education


Doctoral degree in Physics (Dr. rer. nat.), Philipps-Universität Marburg, supervisor: Prof. Martin Koch

2011Master degree in Physics (M. Sc.), Philipps-Universität Marburg, supervisor: Prof. Martin Koch
2006-11Undergraduate and graduate studies of physics, Universität Marburg (Bachelor degree in 2009)

Professional Experience

2019-Postdoc, Department of Physics (Prof. M Koch),
Philipps-Universität Marburg
2016-19Postdoc, Department of Chemical Physics (Prof. Ivan Scheblykin),
Lund University

Honours, Awards and other Proofs of Qualification

2017-19Postdoctoral Fellowship (Wenner-Gren Foundation, Sweden)
2012-14EXIST scholarship (BMWi)

Selected Publications

  1. 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).
  2. 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).
  3. 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).
  4. 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).
  5. 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).
  6. K. Broch, M. Gerhard, M. Halbich, S. Lippert, V. Belova, M. Koch, F. Schreiber, Timeresolved photoluminescence spectroscopy of charge transfer states in blends of pentacene and perfluoropentacene, Phys. Stat. Solidi (RRL) 11, 1700064 (2017).
  7. 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).
  8. 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).
  9. 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).
  10. 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).


PhD-studentPhilipps-Universität MarburgDepartment of ChemistryPhone: +49-6421 28-25766Link: Project A9 (Dehnen)

GHOSH, Shilpi Dr.

PostdocPhilipps-Universität MarburgDepartment of ChemistryPhone: +49-6421 28-22545Link: Project A4 (Gottfried)

GIES, Sebastian Dr.

Former PostdocPhilipps-Universität MarburgDepartment of PhysicsLink: Project B3 (M Koch/Heimbrodt)

GIESEN, Steffen

PhD-studentPhilipps-Universität MarburgDepartment of ChemistryHans-Meerwein-Straße 35032 MarburgPhone: +49-6421 28-25551Link: Project B8 (Berger)


PhD-studentJustus-Liebig-Universität GießenInstitute of Applied PhysicsPhone: +49-641 99-33414Link: Project A8 (Koert/Dürr)


PhD-StudentPhilipps-Universität MarburgMaterial Science Center (WZMW), Structure & Technology Research LaboratoryPhone: +49-6421 28-25656Link: Project A5 (Volz)

GOTTFRIED, Michael Prof. Dr.

Photo of Prof. Dr. Michael GOTTFRIED
Principal InvestigatorPhilipps-Universität MarburgDepartment of ChemistryPhone: +49-6421 28-22541Link: Project A4 (Gottfried)Link: Project A16 (Gottfried/Koert)Link: Biography


Surface chemistry, model catalysis, organic and organometallic thin films, surface coordination chemistry, photoelectron spectroscopy, nanojoule calorimetry

University Education

2009Habilitation (Dr. rer. nat. habil.) in Physical Chemistry, Universität Erlangen-Nürnberg, “Surface Chemistry of Porphyrins and other Complex Adsorbate Systems”
2003Doctoral degree in Chemistry (Dr. rer. nat.), Freie Universität (FU) Berlin, Dissertation on “CO Oxidation over Gold: Adsorption and Reaction of Oxygen, Carbon Monoxide and Carbon Dioxide on a Au(110) Surface”, thesis advisor: Prof. K. Christmann
1999Diploma degree in Chemistry (Dipl.-Chem.), FU Berlin, supervisor: Prof. K. Christmann
1990-1998Studies in Chemistry and Physics at Technische Universität Darmstadt, University of St. Andrews, FU Berlin

Professional Experience

since 2011Professor (W2) for Physical Chemistry, Philipps-Universität Marburg
2009-2011Lecturer, Dept. of Chemistry and Pharmacy, Universität Erlangen-Nürnberg
2009Visiting Scientist, National Synchrotron Radiation Laboratory, University of Science and Technology of China, Hefei, China
2005, 2008Visiting Scientist, Department of Chemistry, University of Washington, Seattle, USA
2004-2011Group Leader, Surface Spectroscopy, Lehrstuhl für Physikalische Chemie II
(Prof. H.-P. Steinrück), Department of Chemistry and Pharmacy, Universität Erlangen-Nürnberg
2003-2004Postdoc, Department of Chemistry, University of Washington, Seattle, USA (Prof. C. T. Campbell)
1999-2003Research Assistant, Department of Chemistry, FU Berlin (Prof. K. Christmann)

Honours, Awards and other Proofs of Qualification

2016SCS Lectureship of the Swiss Chemical Society
2014Chinese Academy of Sciences, International Collaboration Award
since 2012Member of the Scientific Selection Panel, Helmholtz-Zentrum Berlin / BESSY
2012-2014Member of Editorial Advisory Board, Surface Science
2012Visiting Professorship of the Chinese Academy of Sciences
2010Emmy-Noether Habilitation Prize of the University Erlangen-Nürnberg
2009-2010Symposium Organizer, 6th International Conference on Porphyrins and Phthalocyanines, July 4-10, 2010, New Mexico, USA
2005, 2009Travel fellowships of the Alexander von Humboldt Foundation
2008Guest Editor, Zeitschrift für Physikalische Chemie (Special Issue K. Christmann)
2004Feodor-Lynen Fellowship of the Alexander von Humboldt Foundation

Selected Publications

  1. E. Shubina, H. Marbach, K. Flechtner, A. Kretschmann, N. Jux, F. Buchner, H.-P. Steinrück, T. Clark, J. M. Gottfried
    Principle and Mechanism of Direct Porphyrin Metalation: Joint Experimental and Theoretical Investigation
    J. Am. Chem. Soc. 129, 9476 (2007).
  2. Hieringer, K. Flechtner, A. Kretschmann, K. Seufert, W. Auwärter, J. V. Barth, A. Görling, H.-P. Steinrück, J. M. Gottfried
    The Surface Trans Effect: Influence of Axial Ligands on the Surface Chemical Bonds of Adsorbed Metalloporphyrins
    J. Am. Chem. Soc. 133, 6206 (2011).
  3. M. Englert, Ch. Dotzer, G. Yang, M. Schmid, C. Papp, J. M. Gottfried, H.-P. Steinrück, E. Spiecker, F. Hauke, A. Hirsch
    Covalent Bulk Functionalization of Graphene
    Nature Chem. 3, 279 (2011).
  4. Li, J. Xiao, T. E. Shubina, M. Chen, Z. Shi, M. Schmid, H.-P. Steinrück, J. M. Gottfried, N. Lin
    Coordination and Metalation Bifunctionality of Cu with 5,10,15,20-tetra(4-pyridyl)­porphy­rin: Towards a Mixed-Valence Two-Dimensional Coordination Network
    J. Am. Chem. Soc. 134, 6401 (2012).
  5. Fan, C. Wang, Y. Han, J. Zhu, W. Hieringer, J. Kuttner, G. Hilt, J. M. Gottfried
    Surface-assisted organic synthesis of hyperbenzene nanotroughs
    Angew. Chem. Int. Ed. 52, 4668 (2013).
  6. Fan, C. Wang, Y. Han, J. Zhu, J. Kuttner, G. Hilt, J. M. Gottfried
    Surface-Assisted Formation, Assembly and Dynamics of Planar Organometallic Macrocycles and Zigzag Shaped Polymer Chains with C-Cu-C Bonds
    ACS Nano 8, 709 (2014).
  7. Sachs, M. Gellert, M. Chen, H.-J. Drescher, S. R. Kachel, H. Zhou, M. Zugermeier, M. Gorgoi, B. Roling, J. M. Gottfried
    LiNi0.5Mn1.5O4 High-Voltage Cathode Coated with Li4Ti5O12: A Hard X-ray Photoelectron Spectroscopy (HAXPES) Study
    Phys. Chem. Chem. Phys. 17, 31790 (2015).
  8. M. Gottfried
    Surface Chemistry of Porphyrins and Phthalocyanines
    Surf. Sci. Rep. 70, 259 (2015).
  9. Shang, Y. F. Wang, M. Chen, J. X. Dai, X. Zhou, J. Kuttner, G. Hilt, X. Shao, J. M. Gottfried, K. Wu
    Assembling Molecular Sierpinski Triangle Fractals
    Nature Chem. 7, 389 (2015).
  10. Chen, H. Zhou, B. P. Klein, M. Zugermeier, C. K. Krug, H.-J. Drescher, M. Gorgoi, M. Schmid, J. M. Gottfried
    Formation of an Interphase Layer During Deposition of Cobalt onto Tetraphenylporphyrin: A Hard X-Ray Photoelectron Spectroscopy (HAXPES) Study
    Phys. Chem. Chem. Phys. 18, 330643 (2016).

GÜDDE, Jens Prof. Dr.

Photo of Prof. Dr. Jens GÜDDE
Principal InvestigatorPhilipps-Universität MarburgDepartment of PhysicsRenthof 5 35032 MarburgPhone: +49-6421 28-24149Link: Project B11 (Güdde/Höfer)Link: Biography

University Education

2006Habilitation in Experimental Physics, Philipps-University Marburg, „Ultrafast dynamics of electronic energy transfer at adsorbate covered metal surfaces“
1995Doctoral degree in Physics (Dr. rer. nat.), FU Berlin, Dissertation on “Investigation of configuration mixing in highly excited states of strontium I using high resolution two-photon laser spectroscopy and multichannel quantum defect theory”, thesis advisor: Prof. Dr. E. Matthias
1991Diploma degree in Physics (Dipl. Phys.), FU Berlin, supervisor: Prof. Dr. E.
1984-91Studies in Physics, Free University (FU) Berlin

Professional Experience

2020-Apl. Professor, Department of Physics, Philipps-Universität Marburg
2018-Senior staff scientist (A14), Department of Physics, Philipps-Universität Marburg
2008-18Staff scientist and lecturer (A13), Department of Physics, Philipps-Universität Marburg
2006-08Substitute professor (W2), Department of Physics, Philipps-Universität Marburg
2000-06Scientific Assistant (C1), Department of Physics, Philipps-Universität Marburg
1997-00Postdoctoral Researcher, Department of experimental physics, FU Berlin
1996-97Postdoctoral Researcher, Max-Born-Institute for nonlinear optics and short pulse spectroscopy (Prof. Dr. I. Hertel), Berlin-Adlershof
1991-96Research Assistant, Department of experimental physics (Prof. Dr. E. Matthias), FU Berlin

Honours, Awards and other Proofs of Qualification

2007Patricia-Pahamy-Junior award for teaching, awarded by the student council of the Department of Physics, Philipps-Universität Marburg

Selected Publications

  1. J. Güdde, U. Höfer, Femtosecond time-resolved studies of image-potential states at surfaces and interfaces of rare-gas adlayers, Progr. Surf. Sci. 80, 49 (2005).
  2. K. Stepán, J. Güdde, U. Höfer, Time-resolved measurement of surface diffusion induced by femtosecond laser pulses, Phys. Rev. Lett. 94, 236103 (2005).
  3. J. Güdde, M. Rohleder, T. Meier, S. W. Koch, U. Höfer, Time-resolved investigation of coherently controlled electric currents at a metal surface, Science 318, 1287 (2007).
  4. C. M. Heyl, J. Güdde, U. Höfer, A. L’Huillier, Spectrally resolved maker fringes in high-order harmonic generation, Phys. Rev. Lett. 107, 033903 (2011).
  5. N. Armbrust, J. Güdde, P. Jakob, U. Höfer, Time-Resolved Two-Photon Photoemission of Unoccupied Electronic States of Periodically Rippled Graphene on Ru(0001), Phys. Rev. Lett. 108, 056801 (2012).
  6. C. M. Heyl, J. Güdde, A. L’Huillier, U. Höfer, High-order harmonic generation with µJ laser pulses at high repetition rates, J. Phys. B: At. Mol. Opt. Phys. 45, 074020 (2012).
  7. K. Kuroda, J. Reimann, J. Güdde, U. Höfer, Generation of transient photocurrents in the topological surface state of Sb2Te3 by direct optical excitation with mid-infrared pulses, Phys. Rev. Lett. 116, 076801 (2016).
  8. N. Armbrust, J. Güdde, U. Höfer, S. Kossler, P. Feulner, Spectroscopy and dynamics of a two-dimensional electron gas on ultrathin helium films on Cu(111), Phys. Rev. Lett. 116, 256801 (2016).
  9. R. Wallauer, N. Armbrust, J. Reimann, J. Güdde, U. Höfer, Intervalley scattering in MoS2 imaged by two-photon photoemission with a high-harmonic probe, Appl. Phys. Lett. 109, 162102 (2016).
  10. J. Reimann, S. Schlauderer, C. P. Schmid, F. Langer, S. Baierl, K. A. Kokh, O. E. Tereshchenko, A. Kimura, C. Lange, J. Güdde, U. Höfer, R. Huber, Subcycle observation of lightwave-driven Dirac currents in a topological surface band, Nature 562, 396 (2018).

GÜNDER, Darius

PhD-studentPhilipps-Universität MarburgDepartment of PhysicsPhone: (+49) 6421-28 21381Link: Project A2 (Witte)