Arbeitskreis Grunwaldt

Vorträge

Ausgewählte vergangene und zukünftige Vorträge

2020 | 2019 | 2018 | 2017 | 2016 | 2015 | 2014 | 2013 | 2012 | 2010 | 2008 | 2007 | 2006

2020

  • Grunwaldt, J.-D.: Tracking the active site in heterogeneous catalysis for energy storage and emission control using operando (Q)EXAFS: Status, potential, future needs. In October 2020 SSRL/LCLS Users' Meeting (invited talk).

 

  • Lott, P.; Karinshak, K. A.; Casapu, M.; Harold, M. P.; Grunwaldt, J.-D.; Deutschmann, O.: Strategies for overcoming water inhibition of methane oxidation over palladium-based catalysts. In 2020 CLEERS Virtual Workshop; online.

 

  • Zengel, D.; Koch, P., Torkashvan, B.; Grunwaldt, J.-D.; Casapu, M.; Deutschmann, O.: HCN formation during NOx removal by NH3-SCR in the exhaust of natural gas engines. In 2020 CLEERS Virtual Workshop; online.

 

  • Zengel, D.; Casapu, M.; Grunwaldt, J.-D.: Potential and challenges of pre-turbo NOx-removal: Impact of elevated pressure on NH3 assisted SCR. In 11th International Conference on Environmental Catalysis (ICEC); online.

 

  • Lott, P.; Gremminger, A.; Schedlbauer, T.; Keller, K.; Doronkin, D.; Casapu, M.; Grunwaldt, J.-D.; Deutschmann, O.: Exhaust Gas After-Treatment of Natural Gas Engines. In 11th International Conference on Environmental Catalysis (ICEC); online.

 

  • Sheppard, T. L.: EXAFS and Imaging. In Workshop - Perspectives and new opportunities for X-ray absorption spectroscopy at PETRA IV; online.

 

  • Becher, J.; Sanchez, D. F.; Doronkin, D.; Grunwaldt, J.-D.; Sheppard, T. L.: Operando hard X-ray spectrotomography of Cu-SSZ-13 washcoated monolith catalysts: direct visualisation of chemical gradients during NH3-SCR. In 11th International Conference on Environmental Catalysis (ICEC); online.

 

  • Doronkin, D.; Wang, S.; Deschner, B. J.; Dittmeyer, R.; Behrens, S.; Grunwaldt, J.-D.: X-ray absorption spectroscopy probing Pd catalysts under working conditions at high pressure. In Third All-Russian Conference METHODS FOR INVESTIGATION OF COMPOSITION AND STRUCTURE OF FUNCTIONAL MATERIALS (MICSFM-3); online.

 

  • Boubnov, A.; Doronkin, D.; Gunter, T.; Zengel, D.; Becher, J.; Casapu, M.; Grunwaldt, J.-D.: Insights into Cu-Chabazite catalysts for NH3-SCR of NOx by operando XAS and valence-to-core-XES.In Third All-Russian Conference METHODS FOR INVESTIGATION OF COMPOSITION AND STRUCTURE OF FUNCTIONAL MATERIALS (MICSFM-3); online.

 

  • Marchuk, V.; Doronkin, D.; Casapu, M.; Grunwaldt, J.-D.; Kibis, L.; Stadnichenko, A.; Boronin, A.: Operando XAS study of NH3 adsorption on Pt/Al2O3 ammonia slip catalysts. In Katalytikertagung - Virtual Poster Show 2 "Kinetic, spectroscopic & preparation aspects of N-based chemistry"; virtual poster.

 

  • Weber, S.; Abel, K.; Titus, J.; Gläser, R.; Sheppard, T. L.; Grunwaldt, J.-D.: Structural Analysis of Ni/ZrO2 Methanation Catalysts by Tomography Methods and Operando XAS. In Katalytikertagung - Virtual Poster Show 1 "The different facettes of CO2 and CO conversion"; virtual poster.

 

  • Thomas L. Sheppard. Sample cells for X-ray ptychography and nanotomography - towards operando chemical imaging of catalysts andfunctional materials. In DESY Photon Science Users' Meeting; Hamburg, Germany, 2020.

 

  • Dmitry E. Doronkin. QEXAFS-XRD combination at P64, and the high temperature setup at P65. In DESY Photon Science Users' Meeting; Hamburg, Germany, 2020.

 

2019

  • Becher, J.; Sheppard, T.; Meira, D. M.; Sanchez, D. F.; Doronkin, D.; Pascarelli, S.; Grunwaldt, J.-D. 3D Spectrotomography of a Structured Honeycomb Cu-SSZ-13 Exhaust Gas Catalyst under Operando Conditions. In 14th European Congress on Catalysis (EuropaCat 2019); Aachen, Germany, 2019.

 

  • Dolcet, P.; Tofighi, G.; Schade, O.; Lott, P.; Grunwaldt, J.-D. Controlled Synthesis of Mono- and Bimetallic Nanoparticles via a Microfluidic Approach. In 14th European Congress on Catalysis (EuropaCat 2019); Aachen, Germany, 2019.

 

  • Doronkin, D.; Wang, S.; Deschner, B.; Sharapa, D.; Sheppard, T.; Zimina, A.; Dittmeyer, R.; Studt, F.; Behrens, S.; Grunwaldt, J.-D. Structure – Activity Relationships of Pd, PdSn, and PdIn Nanoparticles during Continuous Direct H2O2 Synthesis at High Pressure. In 14th European Congress on Catalysis (EuropaCat 2019); Aachen, Germany, 2019.

 

  • Doronkin, D. E.; Deschner, B. J.; Sheppard, T. L.; Selinsek, M.; Roland Dittmeyer; Grunwaldt, J.-D. Operando XAS at High Pressure: Observing Pd Nanoparticles Catalyzing Direct Synthesis of Hydrogen Peroxide. In DESY Photon Science Users’ Meeting “Research with Synchrotron Radiation and FELs”; Hamburg, Germany, 2019. (Invited talk)

 

  • Fam, Y.; Sheppard, T. L.; Becher, J.; Weber, S.; Kulkarni, S.; Keller, T.; Wittwer, F.; Seyrich, M.; Brueckner, D.; Kahnt, M.; et al. Quantitative in Situ 2D/3D Nanoimaging of Functional Materials with Hard X-Ray Microscopy. In 14th International conference on materials chemistry; Birmingham, UK, 2019.

 

  • Grunwaldt, J.-D. Tracking the Active Center in Single Site and Supported Metal Catalysts. In 52. Jahrestreffen Deutscher Katalytiker; Weimar, Germany, 2019. (Invited plenary lecture)

 

  • Lott, P.; Gremminger, A.; Boubnov, A.; Eck, M.; Doronkin, D.; Casapu, M.; Grunwaldt, J.-D.; Deutschmann, O. Regeneration strategies for methane oxidation catalysts. In 2019 4th North American Symposium on Chemical Reaction Engineering (NASCRE 4); Houston, TX, USA, 2019.

 

  • Lott, P.; Eck, M.; Doronkin, D.; Casapu, M.; Grunwaldt, J.-D.; Deutschmann, O. Exhaust Gas after Treatment of Natural Gas Engines: A Systematic Operando Study on Sulfur Poisoning and Regeneration of Pd-Pt Methane Oxidation Catalysts. In 2019 North American Catalysis Society Meeting; Chicago, IL, USA, 2019.

 

  • Maurer, F.; Wang, J.; Gänzler, A.; Casapu, M.; Wöll, C.; Wang, Y.; Grunwaldt, J.-D. Unravelling the Active Pt Species Supported on CeO2 for CO Oxidation by UHV-FTIR and HERFD-XAS. In 14th European Congress on Catalysis (EuropaCat 2019); Aachen, Germany, 2019.

 

  • Polierer, S.; Pitter, S.; Grunwaldt, J.-D.; Guse, D.; Delgado, K. H.; Jelic, J.; Kind, M.; Otto, T.; Stehle, M.; Studt, F.; et al. Copper-Based Methanol Catalysts Applied in the Direct Dimethyl Ether Synthesis from CO2-Rich Syngas. In 14th European Congress on Catalysis (EuropaCat 2019); Aachen, Germany, 2019.

 

  • Raun, K. V.; Thorhauge, M.; Gaur, A.; Grunwaldt, J.-D.; Jensen, J.; Høj, M. Experimental Investigations and Modelling of the Molybdenum Loss from Iron Molybdate Methanol Selective Oxidation Catalysts. In 14th European Congress on Catalysis (EuropaCat 2019); Aachen, Germany, 2019.

 

  • Schade, O.; Kalz, K.; Neukum, D.; Saraci, E.; Kleist, W.; Grunwaldt, J.-D. Controlling Selectivity: Selective Oxidation of 5-(Hydroxymethyl)Furfural over Gold- and Silver-Based Catalysts. In 14th European Congress on Catalysis (EuropaCat 2019); Aachen, Germany, 2019.

 

  • Serrer, M. The Role of Iron for the Enhanced Stability of a Ni3Fe/Al2O3 Catalyst during Dynamic CO2 Methanation. In 2019 North American Catalysis Society Meeting; Chicago, IL, USA, 2019.

 

  • Sheppard, T.; Fam, Y.; Schropp, A.; Schroer, C.; Grunwaldt, J.-D. Ptychographic X-Ray Computed Tomography: A Rapidly-Emerging Method for Quantitative Multiscale 3D Chemical Imaging in Catalysis. In 14th European Congress on Catalysis (EuropaCat 2019); Aachen, Germany, 2019.

 

  • Sheppard, T.; Fam, Y.; Becher, J.; Diaz, A.; Holler, M.; Wittstock, A.; Falkenberg, G.; Schropp, A.; Schroer, C.; Grunwaldt, J.-D. Understanding Catalyst Complexity at Synchrotron Light Sources Using Hard X-Ray Ptychography and Tomography. In TMS 2019 Annual Meeting & Exhibition; San Antonio, Texas, USA, 2019; p 307. (Invited talk)

 

  • Sprenger, P.; Stehle, M.; Kleist, W.; Grunwaldt, J.-D. Probing the Reactivity of Bismuth Molybdates in Selective Propylene Oxidation by Correlative Operando Methods. In 14th European Congress on Catalysis (EuropaCat 2019); Aachen, Germany, 2019.

 

  • Walter, K.; Saraci, E.; Serrer, M.; Kleist, W.; Grunwaldt, J.-D. Continuous Production of Higher Alcohols from Synthesis Gas and Ethanol Using Cs-Modified CuO/ZnO/Al2O3 Catalysts. In 14th European Congress on Catalysis (EuropaCat 2019); Aachen, Germany, 2019.

 

  • Zengel, D. Preturbo SCR: Potential and Challenges for NOx Removal under Elevated Pressure and Temperature. In 2019 CLEERS Workshop; Ann Arbor, Michigan, USA, 2019.

 

  • Zengel, D.; Casapu, M.; Grunwaldt, J.-D. Catalytic Reduction of NOx under Pre-Turbine Exhaust Conditions: Influence of Varying Pressures and Hydrocarbon Poisoning on the Performance of NH3 Assisted Selective Catalytic Reduction. In 14th European Congress on Catalysis (EuropaCat 2019); Aachen, Germany, 2019.

 

2018

  • Enhancing the catalytic activity of Pt/CeO2 based catalysts by in situ tuning of the Pt particle size and its interaction with ceria
    A.M. Gänzler, F. Maurer, M. Casapu, P. Vernoux, G. Ferre, S. Loridant, F.J. Cadete Santos Aires, T. Epicier, B. Betz, R. Hoyer, M. Votsmeier and J.-D. Grunwaldt
    CAPoC11, 29.-31.10.2018, Brüssel (oral)

 

  • In-depth understanding of sulfur poisoning and regeneration strategies for Pd-Pt methane oxidation catalysts – a systematic study
    Patrick Lott, Mario Eck, Dmitry E. Doronkin, Maria Casapu, Jan-Dierk Grunwaldt, Olaf Deutschmann
    CAPoC11, 29.-31.10.2018, Brüssel (oral)

 

  • Copper coordination to ammonia in Cu”—exchanged SSZ-13: atomistic insights from DFT calculations on in situ XAS experiments
    B. Kerkeni, D. Berthout, Céline Chizallet, D. E. Doronkin, M. Casapu, J.-D. Grunwaldt
    CAPoC11, 29.-31.10.2018, Brüssel (oral)

 

  • Microfluidic Synthesis of Au, Pd and AuxPdy Nanoparticles and In situ XAS Studies of Au NP Formation in a Continuous Flow
    Ghazal Tofighi, Paolo Dolcet, Henning Lichtenberg, Wu Wang, Günter Rinke, Roland Dittmeyer and Jan-Dierk Grunwaldt
    International Conference on Micro Reaction Technology - IMRET 2018
    21 - 24 October 2018 Conference Centre, Karlsruhe (oral) 

 

  • Catalysts and reactors under dynamic reaction conditions: Impact on catalyst structure and activity
    J.-D. Grunwaldt, DICP Seminar, Dalian Institute of Chemical Physics, September 27, 2018 (invited lecture)

 

  • Operando studies of Ni-based P2X catalysts: Impact of dynamic reac-tion conditions on structure and activity during CO2 methanation
    M.-A. Serrer, B. Mutz, M. Belimov, P. Pfeifer, H. Lichtenberg, K. F. Kalz, J.-D. Grunwaldt, ICEC&EECAT2018, Tianjin, September 22-26th, 2018 (invited, keynote lecture)

 

  • Revealing Catalyst Complexity in 3D with Synchrotron X-ray Nanotomography
    T.L. Sheppard, Y. Fam, J. Becher, A. Diaz, M. Holler, A. Schropp, C. Schroer, J.-D. Grunwaldt
    German Conference for Research with Synchrotron Radiation, Neutrons and Ion Beams at Large Facilities SNI, September 17 – 19, 2018 Munich, Germany (oral).

 

  • Catalysts and reactors under dynamic reaction conditions for energy storage and energy conversion
    Benjamin Mutz, Kai Kalz, Henning Lichtenberg, Marc -André Serrer, Jan-Dierk Grunwaldt, German Conference for Research with Synchrotron Radiation, Neutrons and Ion Beams at Large Facilities SNI, September 17 – 19, 2018 (oral).

 

  • Operando XAS studies of direct synthesis of H2O2 over Pd catalysts
    Dmitry Doronkin, Benedikt Deschner, Thomas Sheppard, Manuel Selensik, Roland Dittmeyer, Jan-Dierk Grunwaldt, German Conference for Research with Synchrotron Radiation, Neutrons and Ion Beams at Large Facilities SNI, September 17 – 19, 2018 (oral)

 

  • Catalysts and reactors under dynamic reaction conditions in environmental catalysis and for energy storage and conversion
    J.-D. Grunwaldt,  A.M. Gänzler, M. Casapu, B. Mutz, K. Kalz, M. Serrer, Nordic Symposium on Catalysis, August 26 – 28, 2018, Copenhagen (oral, plenary, invited).

 

  • Synchrotron-based operando studies of Ni-based catalysts for methanation of CO2
    H. Lichtenberg, M.-A. Serrer, B. Mutz, J. Lefebvre, S. Bajohr, T. Kolb, J.-D. Grunwaldt
    XAFS2018, 17th International Conference on X-ray Absorption Fine Structure, 22–27 July 2018 in Kraków, Poland (oral)

 

  • Synchrotron nanotomography studies of hierarchical nanoporous gold catalysts
    Yakub Fam, Thomas L. Sheppard, Johannes Becher, Ana Diaz, Johannes Ihli, Mirko Holler, Torsten Scherer, Wu Wang, Di Wang, Patrice Brenner, Arne Wittstock, Jan-Dierk Grunwaldt
    XAFS2018, 17th International Conference on X-ray Absorption Fine Structure, 22–27 July 2018 in Kraków, Poland (oral)

 

  • Investigation of a Rh/CeO2 Catalyst and a Pd Membrane in a Micro-Structured Membrane Reactor
    Gülperi Cavusoglu, Felix Dallmann, Henning LichtenbergGermán R. Castro, Roland Dittmeyer, Jan-Dierk Grunwaldt
    XAFS2018, 17th International Conference on X-ray Absorption Fine Structure 22–27 July 2018 in Kraków, Poland (oral)

 

  • Operando X-ray absorption and emission spectroscopic study of V-W-TiO2 catalysts for Nox removal from the diesel exhaust.
    J.-D. Grunwaldt, D.E. Doronkin, L. Zheng, F .Benzi, M. Casapu
    XAFS2018, 17th International Conference on X-ray Absorption Fine Structure from 22–27 July 2018 in Kraków, Poland(oral).

 

  • Synchrotron based operando characterization of Ni- and Co-based P2X catalysts
    M.-A. Serrer, B. Mutz, K.F. Kalz, H. Lichtenberg, J. Lefebvre, M. Lowert, H. Kirsch, P. Pfeifer, S. Bajohr, T. Kolb. R. Dittmeyer, J.-D. Grunwaldt
    9th International Freiberg Conference, Berlin, 3.-8.07.2018 (oral).

 

  • In situ X-ray absorption spectroscopy and advanced photon-in/photon-out techniques in catalysis and materials science
    Jan-Dierk Grunwaldt, Paolo Dolcet, Henning Lichtenberg, Ghazal Tofighi, Anna Zimina, 3rd Joint AIC-SILS conference Rome, June 25-28 2018 (invited, oral, keynote).

 

  • Metal coordination in Cu"-SSZ-13 exposed to NH3: DFT with in situ XAS experiment studies
    B. Kerkeni, C. Berthout, C. Chizallet, D. E. Doronkin, M. Casapu, J.-D. Grunwaldt, D. Berthomieu
    ICTAC17, June 24 - 28, 2018. UCLA campus, Los Angeles, California, USA (oral)

 

  • X-ray absorption spectroscopy and X-ray photon-in/out techniques as ideal tools to identify the structure of single sites, clusters and particles in catalysts under reaction conditions
    Jan-Dierk Grunwaldt , GSS Summer School 2018, Bochum, 23.05.2018 (plenary, invited)

 

  • Probing the reactivity of bismuth molybdates in selective propylene oxidation by correlative operando spectroscopies
    Paul Sprenger, Matthias Stehle, Abhijeet Gaur, Andreas M. Gänzler, Daria Gashnikova, Wolfgang Kleist, Jan-Dierk Grunwaldt
    OperandoVI 6th International Congress on Operando Spectroscopy, 15-19 April 2018, Estepona, Málaga, Spain (oral)

 

  • Catalysts under  dynamic reaction conditions: Insight using operando spectroscopy
    Jan-Dierk Grunwaldt, Institute of Chemical Research of Catalonia (ICIQ), Tarragona, 21.03.2018

 

  • In situ tuning of the Pt particle size and the interaction with ceria for enhancing the catalyst performance
    Andreas M. Gänzler, F. Maurer, Maria Casapu, Philippe Vernoux, Geraldine Ferré, Stéphane Loridant, Francisco. J. Cadete Santos Aires, Thierry Epicier, Benjamin Betz, Rüdiger Hoyer, Martin Votsmeier, Jan-Dierk Grunwaldt
    51. Jahrestreffen Deutscher Katalytiker, 14-16 March 2018, Weimar, Germany (oral)

 

  • Understanding the dynamic structural changes of exhaust gas catalysts by structure – activity relationships
    A. M.Gänzler, F. Maurer, T. Sheppard, D. Doronkin, M. Casapu, J.-D. Grunwaldt
    27th ATC Industrial Inorganic Chemistry-Materials and Processes, Dechema House Frankfurt am Main, 22-23 February 2018 (oral invited)

 

  • Complementarity of electrons and X-rays for characterization in catalysis
    Jan-Dierk Grunwaldt, KIT, Germany
    KNMF User Meeting 20-21.02.2018 (oral, invited)

 

  • Catalysts and reactors under dynamic reaction conditions: Impact on structure and activity
    B. Mutz, A. Gänzler, K.F. Kalz, J.-D. Grunwaldt
    4th International Symposium on Chemistry for Energy Conversion and Storage, Berlin, 28.-31.01.2018 (oral, invited)

 

  • Expanding frontiers in catalysis research with X-ray microscopy and tomography
    T.L. Sheppard
    DESY Photon Science Users’ Meeting, 25-26 January 2018, Hamburg, Germany (oral).

 

2017

  • Long-term activity and reactivation of Pd-based catalysts for total oxidation of methane
    Patrick Lott, Andreas Gremminger, Alexey Boubnov, Maria Casapu, Jan-Dierk Grunwaldt, Olaf Deutschmann
    Institute for Chemical Technology and Polymer Chemistry, Karlsruhe Institute of Technology (KIT), Engesserstrasse 20, 76131 Karlsruhe, Germany 
    MODEGAT V – International Symposium on Modeling of Exhaust-Gas After-Treatment, 3-5 September 2017, Bad Herrenalb, Germany (oral+poster)

 

  • Direct synthesis of H2O2 in continuous flow: an operando XAS study on palladium catalysts
    B.J. Deschner, M. Selinsek, D.E. Doronkin, T.L. Sheppard, J.-D. Grunwaldt, R. Dittmeyer (Germany)
    Europacat 2017, 13th European Congress on Catalysis, 27.-31.08.2017, Florenz, Italien (oral)

 

  • Much more than Reduction  - Activating a Cu/ZnO:Al Catalyst: Decomposition, Self-Doping and Polymorphism
    Elias Frei, Christian Heine, Matthias Friedrich, Mark Greiner, Thomas Lunkenbein, Julia Schumann, Annette Trunschke, Henning Lichtenberg, Abhijeet Gaur, Jan-Dierk Grunwaldt, Robert Schlögl
    Fritz-Haber-Institut der Max-Planck-Gesellschaft, Berlin, 14195, Germany
    Karlsruher Institut für Technologie(KIT), ITCP and IKFT, Karlsruhe, 76131, Germany
    Dept. of Chemical Engineering, Stanford University, SLAC National Accelerator Laboratory, SUNCAT, United States
    *Corresponding author: efreiZsq8∂fhi-berlin mpg de
    Europacat 2017, 13th European Congress on Catalysis, 27.-31.08.2017, Florenz, Italien (oral)

 

  • In-situ characterizations of Pt/CeO2 during lean/rich sequence
    Géraldine Ferré, Andreas Gaenzler, Maria Casapu, Jan-Dierk Grunwaldt, Mimoun Aouine, Thierry Epicier, Francisco J. Cadete Santos Aires, Christophe Geantet, Stéphane Loridant, Philippe Vernoux
    Université de Lyon, CNRS, Université Claude Bernard Lyon 1, IRCELYON, UMR 5256, 69626, ITCP, KIT, 76131 Karlsruhe, Germany, Univ. Lyon, INSA de Lyon, MATEIS, UMR 5510, 69621 Villeurbanne, France
    Europacat 2017, 13th European Congress on Catalysis, 27.-31.08.2017, Florenz, Italien (oral)

 

  • Pt-based catalysts made by flame spray pyrolysis for catalytic partical oxidation of methane
    Dmitry E. Doronkin, Gülperi Cavusoglu, Henning Lichtenberg, Jan-Dierk Grunwaldt
    8th World Congress on Oxidation Catalysis (WCOC 2017)
    Krakow, Poland from the 3rd - 8th September 2017

 

  • Operando XAS study of a Pd/TiO2 catalyst in the direct synthesis of H2O2
    Dmitry E. Doronkin, Manuel Sellnsek, Benedikt J. Deschner, Thomas L. Sheppard, Henning Lichtenberg, Roland Dittmeyer, Jan-Dierk Grunwaldt
    8th World Congress on Oxidation Catalysis (WCOC 2017)
    Krakow, Poland from the 3rd - 8th September 2017

 

  • Influence of Promotor, H2O and H2S on the Hydrodeoxygenation of Biomass Pyrolysis Vapor over MoS2 Catalysts
    Trine M. H. Arndal, Martin Høj, Abhijeet Gaur, Tim Prüssmann, Delfina G. Pintos, Felix Studt, Jostein Gabrielsen, Jan-Dierk Grunwaldt, Thomas W. Hansen and Anker D. Jensen
    Technical University of Denmark (DTU), Kgs. Lyngby, DK-2800, Denmark
    Karlsruhe Institute of Technology (KIT), Karlsruhe, D-76131, Germany
    Stanford University, Stanford, CA-94305, USA
    Haldor Topsøe A/S, Kgs. Lyngby, DK-2800, Denmark *ajHsg8∂kt dtu dk
    Europacat Florence 27.-31.08.2017 (oral)

 

  • Long-term activity and reactivation of Pd-based catalysts for total oxidation of methane
    Patrick Lott, Andreas Gremminger, Alexey Boubnov, Maria Casapu, Jan-Dierk Grunwaldt, Olaf Deutschmann
    Institute for Chemical Technology and Polymer Chemistry, Karlsruhe Institute of Technology Europacat Florence 27.-31.08.2017 (oral)

 

  • Challenging reactive behavior of bismuth molybdates during selective oxidation of propylene observed by combined operando Raman/XAS
    Paul Sprenger,Matthias Stehle, Abhijeet Gaur, Andreas M. Gänzler, Wolfgang Kleist, Achim Fischer, Jan-Dierk Grunwaldt
    Institute for Chemical Technology and Polymer Chemistry, Karlsruhe Institute of Technology, 76131 Karlsruhe, Germany
    Institute of Catalysis Research and Technology, Karlsruhe Institute of Technology, 76344 Eggenstein-Leopoldshafen, Germany
    Evonik Nutrition & Care GmbH, Hanau, Germany
    Europacat Florence 27.-31.08.2017 (oral)

 

  • Studies of Deactivation of Methanol to Formaldehyde Selective Oxidation Catalyst
    Kristian Viegaard Raun, Max Schumann, Martin Høj, Max Thorhauge, Pablo Beato, Christian D. Damsgaard, Jacques Chevallier, Kenneth Nielsen, Jan-Dierk Grundwaldt, Anker Degn Jensena
    DTU Chemical Engineering, Technical University of Denmark, Kgs. Lyngby, 2800, Denmark
    Institute for Chemical Technology and Polymer Chemistry, Karlsruhe Institute of Technology (KIT), Karlsruhe, 76131, Germany
    Haldor Topsøe A/S, Kgs. Lyngby, 2800, Denmark
    Department of Physics, Technical University of Denmark, Kgs. Lyngby, 2800, Denmark
    Department of Physics and Astronomy, Aarhus University, Aarhus, 2800, Denmark
    Europacat Florence 27.-31.08.2017 (oral)

 

  • Enhancing the activity in Pt/CeO2 catalysts investigated by operando X-ray absorption spectroscopy
    Andreas M. Gänzler, Florian Maurer, Maria Casapu and Jan-Dierk Grunwaldt
    Institute for Chemical Technology and Polymer Chemistry (ITCP), Karslruhe Institute of Technology (KIT),Karlsruhe, 76131, Germany
    Europacat Florence 27.-31.08.2017 (oral)

 

  • In situ multimodal X-ray tomography on a bifunctional core@shell catalyst for one-step DME synthesis
    Thomas L. Sheppard, Stephen W.T. Price, Federico Benzi, Sina Baier, Michael Klumpp, Rolan Dittmeyer, Wilhelm Schwieger and Jan-Dierk Grunwaldt
    Karlsruhe Institute of Technology (KIT), Karlsruhe, Germany
    Europacat Florence 27.-31.08.2017 (oral)

 

  • Operando XAS studies on catalysts for energy related processes
    Lichtenberg, H.; Grunwaldt, J.-D.
    2017. 24th Congress and General Assembly of the International Union of
    Crystallography, Hyderabad, IND, August 21-28, 2017

 

  • Dynamics of cu sites and the origin of dual-maxima NOx conversion profile during NH3-SCR over Cu-SSZ-13 revealed by operando X-ray spectroscopy
    D.E. Doronkin, T. Günter, A.R. Fahami, M. Casapu, J.-D. Grunwaldt
    Institute for Chemical Technology and Polymer Chemistry and Institute of Catalysis Research and Technology, Karlsruhe Institute of Technology, Karlsruhe 76131, Germany.
    7th FEZA Conference July, 3-7, 2017, Sofia, Bulgaria (oral)

 

  • Influence of Promotor, H2 and H2S on the Hydrodeoxygenation of Biomass Pyrolysis Vapor over MoS2 Catalysts
    J.D. Grunwaldt, Karlsruhe Institute of Technology,Germany
    25th North American Meeting (NAM) of the Catalysis Society June 4-9, 2017 in Denver, Colorado (oral)

 

  • Surface Reaction Kinetics of Methane Oxidation over Palladium Oxide
    H. Stotz, L. Maier, A. Boubnov, A. Gremminger, S. Valchera, J.D. Grunwaldt, Karlsruhe Institute of Technology,Germany
    25th North American Meeting (NAM) of the Catalysis Society June 4-9, 2017 in Denver, Colorado (oral)

 

  • Studies of Deactivation of Methanol to Formaldehyde Selective Oxidation Catalyst
    Kristian Viegaard Raun, Max Schumann, Martin Høj, Bjarke T. Dalslet , Pablo Beato,
    Christian D. Damsgaard, Jacques Chevallier, Jan-Dierk Grunwaldt, Anker Degn Jensen
    DTU Chemical Engineering, Technical University of Denmark, 2800 Kgs. Lyngby (Denmark)
    Institute for Chemical Technology and Polymer Chemistry, Karlsruhe Institute of Technology
    (KIT), 76131 Karlsruhe (Germany)
    Haldor Topsøe A/S, 2800 Kgs. Lyngby (Denmark)
    Department of Physics, Technical University of Denmark, 2800 Kgs. Lyngby (Denmark)
    Department of Physics and Astronomy, Aarhus University, 8000 Aarhus (Denmark)
    25th North American Meeting (NAM) of the Catalysis Society June 4-9, 2017 in Denver, Colorado (oral)

 

  • Long-term activity and reactivation of Pd based catalysts for total oxidation of methane
    Andreas Gremminger, Alexey Boubnov, Patrick Lott, Maria Casapu, Jan-Dierk
    Grunwaldt, Olaf Deutschmann
    Institute for Chemical Technology and Polymer Chemistry, Karlsruhe Institute of Technology
    (KIT), Engesserstrasse 20, 76131 Karlsruhe, Germany
    25th North American Meeting (NAM) of the Catalysis Society June 4-9, 2017 in Denver, Colorado (oral)

 

  • Hydrothermal synthesis of Bi-Mo-Co-Fe oxide catalysts for the selective oxidation of propylene
    Paul Sprenger, Wolfgang Kleist, Achim Fischer and Jan-Dierk Grunwaldt
    Institute for Chemical Technology and Polymer Chemistry, Karlsruhe Institute of Technology,
    Karlsruhe, Germany
    Institute of Catalysis Research and Technology, Karlsruhe Institute of Technology,
    Eggenstein-Leopoldshafen, Germany
    Evonik Industries AG, Hanau, Germany
    25th North American Meeting (NAM) of the Catalysis Society June 4-9, 2017 in Denver, Colorado (oral)

 

  • Advanced characterization tools for watching catalysts at work
    Prof. Dr. Jan-Dierk Grunwaldt
    CBI Colloquium, iPAT | Prof. Dr. Schlücker | Lehrstuhl für Prozessmaschinen und Anlagentechnik, Erlangen;
    08. Juni 2017, (oral invited)

 

  • Caractérisations in-situ d’un catalyseur Pt/CeO2 au cours de cycles redox
    Géraldine Ferré, Andreas Gaenzler, Maria Casapu, Jan-Dierk Grunwaldt, Mimoun Aouine, Francisco J. Cadete Santos Aires, Thierry Epicier, Christophe Geantet, Stéphane Loridant, Philippe Vernoux
    Université de Lyon, CNRS, Université Claude Bernard Lyon, IRCELYON, UMR 5256, 69626 Villeurbanne, France
    ITCP, KIT, 76131 Karlsruhe, Germany
    Univ. Lyon, INSA de Lyon, MATEIS, UMR 5510, 69621 Villeurbanne, France
    GECAT-2017 29.05.-01.06.2017, Frankreich (oral)

 

  • Methane oxidation over PdO: Surface reaction kinetics at fuel lean conditions
    Stotz, Henning; Maier, Lubow; Boubnov, Alexey; Gremminger, Andreas; Valchera, Simone; Grunwaldt, Jan-Dierk; Deutschmann, Olaf
    Jahrestreffen Reaktionstechnik, Würzburg, 22.-24.Mai 2017 (oral)

 

  • Present and future opportunities for understanding catalysts at work using synchrotron radiation
    JanDierk Grunwaldt
    Science at PETRA IV Workshop 9.-11.05.2017 (oral, invited)

 

  • The impact of pre-turbine catalyst placement on methane oxidation in lean-burn gas engines: An experimental and numerical
    B. Torkashvand, A. Gremminger, S. Valchera, M. Casapu, J.-D. Grunwaldt, O. Deutschmann
    WCX 17: SAE World Congress Experience, Detroit, April 4 – 6, 2017 (Oral)

 

  • Operando spectroscopy as a tool to investigate the nature of Ni-based catalysts during dynamically operated methanation of CO2
    Benjamin Mutz, Andreas M. Gänzler, Paul Sprenger, Hudson W. P. Carvalho, Kai F. Kalz,
    Wolfgang Kleist, Jan-Dierk Grunwaldt
    Institute for Chemical Technology and Polymer Chemistry, Karlsruhe Institute of Technology (KIT), D-76131 Karlsruhe, Germany, Institute of Catalysis Research and Technology, Karlsruhe Institute of Technology (KIT), D-76344 Eggenstein-Leopoldshafen, Germany
    50. Jahrestreffen Deutscher Katalytiker, Weimar, Germany, 15.-17.3.2017 (oral)

 

  • In situ multimodal 3D Chemical Imaging of a Hierarchically-Structured Core@Shell Catalyst
    Thomas L. Sheppard, Stephen W.T. Price, Federico Benzi, Sina Baier, Michael Klumpp, Roland Dittmeyer, Wilhelm Schwieger and Jan-Dierk Grunwaldt
    Karlsruhe Institute of Technology (KIT), Karlsruhe, Germany
    Diamond Light Source, Didcot, Oxon, UK
    Friedrich-Alexander-University Erlangen-Nürnberg (FAU), Erlangen, Germany
    ESRF Users Meeting, Grenoble, France, 6.-8. Feb 2017

 

  • Methan-Oxidations-Katalysatoren: Einfluss von Katalysatorzusammensetzung, Druck und Gaszusammensetzung auf Aktivität, Alterung und Reaktivierung
    Dipl.-Chem. Andreas Gremminger, Dr. Alexey Boubnov, Dipl.-Ing. Bentholhoda Torkashvand, Dr. Maria Casapu, Prof. Olaf Deutschmann, Prof. Jan-Dierk Grunwaldt
    Informationstagung Motoren, 30.03.2017, Bad Neuenahr

 

  • First in situ und operando XAS experiments at the new XAS beamline P64
    A. M. Gänzler, D. E. Doronkin, H. Lichtenberg, A. Zimina, T. Prüssmann, F. Maurer, M. Serrer, E. Ogel, J.-D. Grunwaldt
    DESY-Users Meeting 2017, 25-27. Januar 2017, Hamburg (oral)

 

2016

  • Understanding Catalysts under Dynamic Reaction Conditions: A Rising Challenge in Heterogeneous Catalysis, Jan-Dierk Grunwaldt, Münchener Chemische Gesellschaft (MChG), TU München, Department Chemie, 29.11.2016

 

  • Exhaust gas catalysts in action: novel operando, time-resolved and spatially resolved techniques", Jan-Dierk Grunwaldt, Symposium der Forschergruppe FOR 2213 – NAGOCAT, Hanse Wissenschaftskolleg - Delmenhorst, 08.-09.09.2016 (invited)

 

  • Katalysatoren zur nachhaltigen Speicherung von Energie in chemischen Verbindungen: Ein Blick in das Jahr 2050Katalysatoren zur nachhaltigen Speicherung von Energie in chemischen Verbindungen: Ein Blick in das Jahr 2050, Jan-Dierk Grunwaldt, Seminar am Institut für Energieverfahrenstechnik und Chemieingenieurwesen, TU Bergakademie Freiberg, 7. 09.2016 (invited)

 

  • Catalysis by clusters & nanoparticles: Insights using advanced characterization tools, Jan-Dierk Grunwaldt, DTU Summer School, 08.08.2016

 

  • Chemie und Energie: Entwicklung von Katalysatoren zur nachhaltigen Speicherung von Energie in chemischen Verbindungen, Jan-Dierk Grunwaldt, Seminar am LIKAT, Rostock, 25. Juli 2016 (invited)

 

  • Present and future opportunities of electrons and X-rays in heterogeneous catalysis, Jan-Dierk Grunwaldt, Workshop on Scientific Directions for Future Transmission Electron Microscopy, 14.07.2016, FZ Jülich (invited)

 

2015

  • Chemie und Energie: Entwicklung von Katalysatoren zur nachhaltigen Speicherung von Energie in chemischen Verbindungen, Jan-Dierk Grunwaldt, Duisburg-Essen, June 10, 2015 (invited)

 

  • Catalyst design, operando spectroscopy and application in oxidation and exhaust gas catalysis, Jan-Dierk Grunwaldt, Fritz-Haber-Institute, Berlin, April 29, 2015 (invited)    

 

  • Design, application and dynamics in oxidation and exhaust gas catalysis, Jan-Dierk Grunwaldt, IRCELYON, Lyon, April 8, 2015 (invited)

 

  • Pt-based Diesel Oxidation Catalysts: Oxidation state of Platinum and the origin of CO oscillations in real Pt/Al2O3 catalysts

 

2014

  • Andreas Gänzler, Alexey Boubnov, Maria Casapu, Henning Lichtenberg, Jan-Dierk Grunwaldt; ITCP/IKFT; NSC2014, 16th Nordic Symposium on Catalysis; Oslo, June 15th-17th 2014

 

  • Neue Einblicke in die Struktur palladiumdotierter SnO2 Gassensoren mittels Röntgenabsorptionsspektroskopie     

 

2013

  • D. Degler, Universität Tübingen/D; H. W. Pereira de Carvalho, J.-D. Grunwaldt, Karlsruher Institut für Technologie (KIT)/D; U. Weimar, N. Barsan, Universität Tübingen/D 11. Dresdner Sensor-Symposium 9. BIS 11. Dezember 2013

 

  • X-rays and catalysis research at ANKA: A symbiosis of more than 10 years and beyond
    Jan-Dierk Grunwaldt, AKNA/KNMF-User Meeting 2013, 10 years User Operation at ANKA, Bruchsal, September 26, 2013

  • Microscopy and in-situ spectroscopy for catalysis: Present and future, Jan-Dierk Grunwaldt, Di Wang, AKNA/KNMF-User Meeting 2013, Bruchsal, September 27, 2013

 

  • Dynamic structural changes of heterogeneous catalysts: Application of time-resolved and spatially resolved X-ray techniques, Jan-Dierk Grunwaldt, PC-Kolloq, Institute Seminar IOK, University of Ulm, June 18, 2013 (invited)

 

  • Hydrothermal Synthesis and Characterization of Bismuth Molybdate Catalysts for the Selective Oxidation of Propene to Acrolein, Kirsten Schuh, Wolfgang Kleist, Jan-Dierk Grunwaldt, Martin Høj, Anker Degn Jensen, Greta R. Patzke, 7th World Congress on Oxidation Catalysis, Saint Louis, Missouri, June 8-12, 2013

 

  • Supported Molybdenum Carbide for Higher Alcohol Synthesis from Syngas, Anker D. Jensen, Qiongxiao Wu, Gian Luca Chiarello, Jakob M. Christensen, Burcin Temel, Jan-Dierk Grunwaldt, 23rd North American Catalysis Society Meeting, Louisville, Kentucky, June 2-7, 2013

 

  • Flame Made VOx/Al2O3 Propane Oxidative Dehydrogenation Catalysts, Martin Høj, Anker D. Jensen, Jan-Dierk Grunwaldt, 23rd North American Catalysis Society Meeting, Louisville, Kentucky, June 2-7, 2013

 

  • Mechanistic Insight in Hydrodeoxygenation on Nickel Based Catalysts, Peter M. Mortensen, Jan-Dierk Grunwaldt, Peter A. Jensen, Anker D. Jensen, 23rd North American Catalysis Society Meeting, Louisville, Kentucky, June 2-7, 2013

 

  • Cerium Based Soot Oxidation Catalysts Made by Flame Spray Pyrolysis, Jakob M. Christensen, Jan-Dierk Grunwaldt, Anker D. Jensen, 23rd North American Catalysis Society Meeting, Louisville, Kentucky, June 2-7, 2013

 

  • CO hydrogenation to methanol and higher alcohols over molybdenum carbide based catalysts, Qiongxiao Wu, Jakob M. Christensen, Anker D. Jensen, Gian Luca Chiarello, Jan-Dierk Grunwaldt, 2nd International Conference on Materials for Energy, Karlsruhe, Germany, May 12 - 16,2013

 

  • Synchroton radiation & industrial catalysis: A tradition and future challenges, Jan-Dierk Grunwaldt, DORIS Photon Science Symposium, DESY, Hamburg, May 14-15, 2013 (invited)

 

  • Operando XAS study on Pd2Ga catalyst for methanol synthesis, Hudson W. Pereira de Carvalho, Irek Sharafutdinov, Henning Lichtenberg, Ib Chorkendorff, Christian Damsgaard, Jan-Dierk Grunwaldt, Bunsentagung 2013 - 112th General Assembly of the German Bunsen Society for Physical Chemistry, Karlsruhe, May 09-11, 2013

 

  • Shining synchroton light on catalysts at work, Jan-Dierk Grunwaldt, Séminarie Soleil Synchroton, Massy/ Paris, April 5, 2013 (invited)

 

  • Imaging in the nanoscale using X-rays and electrons, Jan-Dierk Grunwaldt, Georg Hofmann, Amélie Rochet, Sina Baier, Juliane Reinhardt, Robert Hoppe, Christian Schroer, Christian Damsgaard, 3rd Workshop on X-ray Nano-Imaging of Biological and Chemical Systems at PETRA  III, Hamburg, January 24, 2013

 

2012

  • In situ cells for synchrotron-based studies – the key for hunting active species in catalysis
    Jan-Dierk Grunwaldt, 25th Annual User Meeting, September, 24-26, 2012, Medicon Village and MAX-lab, Lund, Sweden (invited)

 

  • The potential of operando XAFS for determining the role and structure of noble metal additives in metal oxide based gas sensors
    Jan-Dierk Grunwaldt, Michael Hübner, Dorota Koziej, Nicolae Barsan, Udo Weimar, 15th International Conference on X-ray Absorption Fine Structure (XAFS15)
    Beijing, China, 22-28 July, 2012

 

  • Combined In Situ X-ray Absorption Spectroscopy/Energy-Dispersive X-ray Diffraction Study of the Hydrothermal Formation of Bismuth Based Oxide Nanomaterials
    Ying Zhou, Jan-Dierk Grunwaldt, Wolfgang Bensch, Greta R. Patzke, 15th International Conference on X-ray Absorption Fine Structure (XAFS15)
    Beijing, China, 22-28 July, 2012

 

  • Time-resolved and spatially resolved XAS studies during the catalytic partial oxidation of methane
    Jan-Dierk Grunwaldt, Jan Stötzel, Ronald Frahm, Christian G. Schroer, 15th International Conference on X-ray Absorption Fine Structure (XAFS15), Beijing, China, 22-28 July, 2012

 

  •  Catalysis for exhaust gas aftertreatment and sustainable chemistry: From the design and understanding to the application
    Jan-Dierk Grunwaldt, Institute of Process Engineering, Chinese Academy of Sciences, Bejing, July 26, 2012

 

  • Current Trends in SCR Catalysis: Design, Test und Understanding
    Maria Casapu, Jan-Dierk Grunwaldt, 8th International Conference "SCR Systems: Challenges, Developments, Innovations, July 3 -4, 2012, Munich, Germany (invited)

 

  • Hydrothermal synthesis of molybdenium-based catalysts for selective oxidation of C3 hydrocarbons
    Kirsten Schuh, Wolfgang Kleist, Jan-Dierk Grunwaldt, Martin Høj, Anker Degn Jensen, Greta R. Patzke, 15th Nordic Symposium on Catalysis, June 10 - 12, 2012

 

  • Understanding Real World Catalysts: A Challenge for Spectroscopy and Engineering
    Jan-Dierk Grunwaldt, 4th International Congress on Operando Spectroscopy, Brookhaven National Laboratory, NY, USA, May 02, 2012 (invited)

 

  • "Catalytic Upgrading of Pyrolysis Oil"
    Jan-Dierk Grunwaldt, VTT-KIT Workshop on Biomass, Karlsruhe, April 24, 2012

 

  • Shining light on catalysts at work: From the macro to the nanoscale
    Jan-Dierk Grunwaldt, Symposium of the Collaborative Research Centre SFB 558 “Metal-Substrate-Interactions in Heterogeneous Catalysis”
    Bochum, April 16 – 18, 2012 (invited)

 

  • From theory to understanding: In situ XAS and XRD studies on a novel highly active CuNi based CO hydrogenation catalyst
    Gian Luca Chiarello, Qiongxiao Wu, Jakob M. Christensen, Anker D. Jensen, Felix Studt, Frank Abild-Pedersen, Jens K. Nørskov, Burcin Temel, Jan-Dierk Grunwaldt, 45. Jahrestreffen Deutscher Katalytiker, March, 14-16, 2012, Weimar

 

  • Determining the state of Pt in SnO2-based gas sensors under working conditions
    Michael Hübner, Dorota Koziej, Matthias Bauer, Nicolae Barsan, Udo Weimar, Jan-Dierk Grunwaldt, ESRF User Meeting 2012, Satellite Workshop "Dynamics and extreme conditions", Grenoble/France, February 6-9, 2012 (invited)

 

  • Imaging in Catalysis Research: Application examples at P06
    Georg Hofmann, Jan-Dierk Grunwaldt, Hasylab Usermeeting 2012, Satellite Workshop Nano Imaging, Hamburg, January 20, 2012

 

  • Rückblick 20 Jahre Förderverein Chemie-Olympiade „Begeisterung wecken – Begabung fördern“
    Jan-Dierk Grunwaldt, Festveranstaltung anlässlich des 20-jährigen Bestehens des Fördervereins Chemie-Olympiade, January 20, 2012

 

  • Exhaust aftertreatment catalysts: Design, Testing and in-depth Understanding
    Jan-Dierk Grunwaldt, 10th International CTI Conference on Exhaust Systems, Stuttgart, January 24-25, 2012 (invited)

 

2010

  • Shining X-rays on Catalytic Reactors: Importance of Time and Spatially Resolved Studies
    Jan-Dierk Grunwaldt, NSLS-Workshop: Seeing is believing, Brookhaven, New York, May 24, 2010 (invited).

 

  • Synchrotronstrahlung und Katalyse – eine Symbiose für die Zukunft?
    Jan-DierkGrunwaldt, Kompetenzfeldtreffen an ANKA, June 9, 2010 (invited).

 

  • Nanomaterialien in Aktion: Schnappschüsse aus der Katalyse
    Jan-Dierk Grunwaldt, GDCh-Kolloquium, KIT, June 10, 2010 (inaugurational lecture).

 

  • X-ray absorption spectroscopy: From fundamentals to applications in solid state chemistry and catalysis
    Jan-Dierk Grunwaldt, Institut für Nukleare Entrsorgung (INE), Karlsruhe Institute of Technology (invited), June 29, 2010 (invited).

 

  • Snapshots of the catalyst structure during the partial oxidation of methane
    Jan-Dierk Grunwaldt, et al., 14th Nordic Symposium of Catalysis, Helsingør, August 29 – 31, 2010.

 

  • Nanomaterialien in Aktion: Von den Grundlagen zur Anwendung in der Katalyse
    Jan-Dierk Grunwaldt, NanoMat Trend-Seminar, Weinheim, September 5 - 6, 2010 (invited).

 

  • Katalyse als Schlüssel für energie-relatierte und nach-haltige Chemie: Vom Verständnis bis zur Anwendung
    Jan-Dierk Grunwaldt, Instituts-Seminar, ICT-CPV, KIT, Campus Nord, September 27, 2010 (invited).

 

  • From the nanoparticle to the catalytic process: Design, Reaction, Understanding
    Jan-Dierk Grunwaldt, Seminar AK Wilhelm, ITCP, Freudenstadt, September 29, 2010 (invited).

 

  • Heterogeneous catalysis in dense carbon dioxide: opportunities, limitations and mechanistic understanding
    Jan-Dierk Grunwaldt, Green Solvents Conference, Berchtesgaden, October 10 - 13, 2010 (keynote).

 

2008

 

  • “Katalysatoren in Aktion: Neue Wege der Röntgenabsorptionsspektroskopie”
    Jan-Dierk Grunwaldt, Institut für Strukturphysik, Technical University of Dresden, July 3, 2008 (invited).

 

  • “Nanomaterials at work”
    Jan-Dierk Grunwaldt, Departmental Seminar, Department of Chemical and Biochemical Engineering, Technical University of Denmark, March 27, 2008.

 

  • “Catalysts in Action: From Integral to Spatially Resolved X-ray Absorption Spectroscopy”
    Jan-Dierk Grunwaldt, B. Kimmerle, A. Baiker, P. Boye, C.G. Schroer, Workshop on time-resolved and in-situ of heterogeneous catalysts and catalytic processes using X-rays: Current Possibilities and Future Prospects, ESRF, February 7, 2008 (invited).

 

2007

  • Monitoring the changes of heterogeneous catalysts under reaction conditions, "From Clusters to catalysts - Transition metals and transition metal oxides"
    Jan-Dierk Grunwaldt, Joint Symposium der Sonderforschungsbereiche  558 (Bochum) and 546 (Berlin), Erkner near Berlin, Germany October 28-31, 2007 (invited).

 

  • "Snapshots" of the catalyst structure in a catalytic microreactor during the partial oxidation of methane
    Jan-Dierk Grunwaldt, S. Hannemann, B. Kimmerle, A. Baiker, P. Boye, C.G. Schroer, ProcessNet-Jahrestagung 2007, Aachen, Germany, October 16-18, 2007.

 

  • Continuous selective oxidation of alcohols in supercritical carbon dioxide
    Jan-Dierk Grunwaldt, M. Caravati, A. Baiker, ECCE-6, Copenhagen, Denmark, September 16 - 20, 2007.

 

  • Combining flame spray pyrolysis and high throughput experimentation for preparation and testing of multi-component noble metal catalysts
    S. Hannemann, Jan-Dierk Grunwaldt, S.E. Pratsinis, A. Baiker, ECCE-6, Copenhagen, Denmark, September 16 - 20, 2007.

 

  • 2D-Mapping of supported noble metal catalysts at work
    Jan-Dierk Grunwaldt, S. Hannemann, B. Kimmerle, A. Baiker, P. Boye, J. Patommel, C.G. Schroer, EUROPACAT VIII, Turku, Finland, August 26-31, 2007.

 

  • Snapshots of heterogeneous catalysts under reaction conditions
    Jan-Dierk Grunwaldt, Paul-Scherrer-Institute, Villigen, Switzerland, February 27 – March 2, 2007 (invited).

 

  • Absorption spectroscopy for the analysis of nanomaterials in catalysis
    Jan-Dierk Grunwaldt, Seminar at Forschungszentrum Karlsruhe (ANKA), Germany, February 7, 2007 (invited).

 

  • Towards spatially resolved XAS: Snapshots of heterogeneous catalysts under reaction conditions
    Jan-Dierk Grunwaldt, HASYLAB User Meetingy, January 25 – 26, 2007, Hamburg, German (invited).

 

2006

  • Überkritisches Kohlendioxid: Ein attraktives Reaktionsmedium in der Katalyse und einer Herausforderung für die "in situ" Spektroskopie
    Jan-Dierk Grunwaldt, Seminar in the Institute of Chemical and Bioengineering, ETH Zurich, December 1, 2006, Zürich (Antrittsvorlesung).

 

  • Opportunities in catalysis research by combining X-ray diffraction with X-ray absorption spectroscopy and with on-line product analysis
    Jan-Dierk Grunwaldt, European Powder Diffraction Conference, September 1 - 4, 2006, Geneva (invited).

 

  • Thermal ageing phenomena and strategies towards reactivation of NOx-storage catalysts
    Maria Casapu, Jan-Dierk Grunwaldt, M. Maciejewski, A. Baiker, M. Wittrock, U. Göbel, 7th International Congress on Catalysis and Automotive Pollution Control (CAPoC7), Brussels (Belgium), August 30 - September 1st, 2006 (keynote lecture).

 

  • Time-resolved and operando XAS studies on heterogeneous catalysts – from the gas phase towards reactions in supercritical fluids
    Jan-Dierk Grunwaldt, International Conference on X-ray absorption spectroscopy, XAFS13, Stanford, USA, July 9 – 14, 2006 (invited).

 

  • X-ray absorption spectroscopy - a valuable to understand the structure of heterogeneous catalysts
    Jan-Dierk Grunwaldt, The Netherlands' Catalysis and Chemistry Conference (NCCC), Noordwijkerhout, March 6 - 8, 2006 (invited keynote lecture).