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Prof. Dr. Jan-Dierk Grunwaldt

Address: Chair in Catalysis and Chemical Engineering, Department of Chemical and Biochemical Engineering, Danish Technical University (DTU), DK-2800 Kgs. Lyngby / Copenhagen, Denmark, jdg(at)kt.dtu.dk; tel.: +45-45 25 28 38; Homepage at DTU

Selected Presentations

"Watching Catalysts at Work"
J.-D. Grunwaldt, UK Synchrotron Radiation User Meeting
Daresbury, Laboratory, September 11-12 , 2008 (invited).

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

“Nanomaterials at work”
J.-D. 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”
J.-D. 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).

Monitoring the changes of heterogeneous catalysts under reaction conditions, "From Clusters to catalysts - Transition metals and transition metal oxides"
J.-D. 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
J.-D. 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
J-D. 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, J-D. Grunwaldt, S.E. Pratsinis, A. Baiker, ECCE-6, Copenhagen, Denmark, September 16 - 20, 2007.

2D-Mapping of supported noble metal catalysts at work
J.-D. 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
J.-D. Grunwaldt, Paul-Scherrer-Institute, Villigen, Switzerland, February 27 – March 2, 2007 (invited).

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

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

Überkritisches Kohlendioxid: Ein attraktives Reaktionsmedium in der Katalyse und einer Herausforderung für die "in situ" Spektroskopie
J.-D. 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
J.-D. Grunwaldt, European Powder Diffraction Conference, September 1 - 4, 2006, Geneva (invited).

Thermal ageing phenomena and strategies towards reactivation of NOx-storage catalysts
M. Casapu, J.-D. 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
J.-D. Grunwaldt, International Conference on X-ray absorption spectroscopy, XAFS13, Stanford, USA, July 9 – 14, 2006 (invited).

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

Publications and Patents

2008
M. Casapu, J.-D. Grunwaldt, M. Maciejewski, F. Krumeich, A. Baiker, M. Wittrock, S. Eckhoff, Comparative study of structural properties and NOx storage-reduction behavior of Pt/Ba/CeO2 and Pt/Ba/Al2O3, Appl. Catal. B 78, 288 (2008).
F. Jutz, J.-D. Grunwaldt, A. Baiker, "Mn(III)(salen)-catalyzed synthesis of cyclic organic carbonates from propylene and styrene oxide in supercritical CO2", J. Mol. Catal. A 279, 94 (2008).
M. Casapu, J.-D. Grunwaldt, M. Maciejewski, A. Baiker, R. Hoyer, M. Wittrock, S.  Eckhoff, “Enhancement of activity and self-reactivation of NSR-catalysts by temporary formation of BaPtO3-perovskite”, Catal. Lett. 120, 1 (2008).
R. Kiebach, N. Pienack, W. Bensch, J.-D. Grunwaldt, A. Michailovski, A. Baiker, T. Fox, Y. Zhou, G.R. Patzke, "Hydrothermal Formation of W/Mo-Oxides: A Multidisciplinary Study of Growth and Shape”, Chem. Mat. 20, 3022 (2008).
 W.Y. Teoh, R. Setiawan, L. Mädler, J.-D. Grunwaldt, R. Amal, S.E. Pratsinis, ” Ru-Doped Cobalt−Zirconia Nanocomposites by Flame Synthesis: Physicochemical and Catalytic Properties”, Chem. Mat. 20, 4069 (2008).
T. Seki, J.-D. Grunwaldt, A. Baiker, “Palladium Supported on an Acidic Resin: A Unique Bifunctional Catalyst for the Continuous Catalytic Hydrogenation of Organic Compounds in Supercritical CO2”, Adv. Synth. Catal. 350, 691 (2008).
P. Haider, J.-D. Grunwaldt, A. Baiker, ” Gold supported on Mg, Al and Cu containing mixed oxides: Relation between surface properties and behavior in catalytic aerobic oxidation of 1-phenylethanol”, Catal. Today, accepted for publication.10.     Kimmerle, P. Haider, J.-D. Grunwaldt, A. Baiker, P. Boye, C.G. Schroer,  “High throughput cell for X-ray absorption spectroscopy applied to study the effect of Au on Rh-catalyzed partial oxidation of methane”, submitted.
T. Seki, J.-D. Grunwaldt, A. Baiker, “Heterogeneous Catalytic Hydrogenation in Supercritical Fluids: Potential and Limitations” Ind. Chem. Eng. Res., accepted for publication.
P. Haider, B. Kimmerle, F. Krumeich, W. Kleist, J.-D. Grunwaldt, A. Baiker, “Gold-catalyzed aerobic oxidation of benzyl alcohol: Effect of gold particle size on activity and selectivity in different solvents”, Catal. Lett., accepted for publication.

2007
S. Hannemann, J.-D. Grunwaldt, D. Günther, F. Krumeich, P. Lienemann, A. Baiker, „Combination of flame synthesis and high throughput experimentation: Preparation of alumina supported noble metal particles and their application in the catalytic partial oxidation of methane”, Appl. Catal. A 316, 226 (2007).
M. Caravati, J.-D. Grunwaldt, A. Baiker, “Comparative in situ XAS investigations during aerobic oxidation of alcohols over ruthenium, platinum and palladium catalysts in supercritical CO2”, Catal. Today 126, 27 (2007).
A. Michailowski, R. Kiebach, W. Bensch, J.-D. Grunwaldt, A. Baiker, S. Komarneni, G.R. Patzke, “Morphological and kinetic studies on hexagonal tungstates”, Chem Mat. 19, 185 (2007).
S. Hannemann, J.-D. Grunwaldt, N. van Vegten, A. Baiker, P. Boye, C.G. Schroer, "Distinct  Spatial Changes of the Catalyst Structure inside a Fixed-Bed Microreactor during the Partial Oxidation of Methane over Rh/Al2O3", Catal. Today 126, 54 (2007).
G.D. Pirngruber, J.-D. Grunwaldt, Pijus K. Roy, J.A. van Bokhoven,  O. Safonova, P. Glatzel, “The nature of the active site in the Fe-ZSM-5/N2O system studied by (Resonant) Inelastic X-ray scattering”, Catal. Today 126, 127 (2007).
M. Casapu, J.-D. Grunwaldt, M. Maciejewski, A. Baiker, M. Wittrock, U. Göbel, S. Eckhoff, “Thermal ageing phenomena and strategies towards reactivation of NOx-storage catalysts”, Topics Catal. 42-43, 3 (2007).
M. Ramin, S. Reimann, J.-D. Grunwaldt, A. Baiker, "In Situ Monitoring of Ni Catalysts during the Synthesis of Propylene Carbonate", AIP Conference Proceedings “X-ray absorption Fine Structure – XAFS13”, 882, 669 (2007).
J.-D. Grunwaldt, A. Baiker, “Time-resolved and operando XAS studies on heterogeneous catalysts – from the gas phase towards reactions in supercritical fluids”, AIP Conference Proceedings “X-ray absorption Fine Structure – XAFS13”, 882, 577 (2007).
P. Glatzel, M. Sikora, S. G. Eeckhout, O. V. Safonova, G. Smolentsev, G. Pirngruber, J. A. van Bokhoven, J.-D. Grunwaldt, M. Tromp, "Hard X-Ray Photon-In-Photon-Out Spectroscopy with Lifetime Resolution – of XAS, XES, RIXSS and HERFD", AIP Conference Proceedings “X-ray absorption Fine Structure – XAFS13”, 882, 1731 (2007).
B. Kimmerle, J.-D, Grunwaldt, A. Baiker, „Selective alcohol oxidation over gold catalysts with molecular oxygen in „supercritical“ carbon dioxide”, Topics Catal 44, 285 (2007).
S. Hannemann, M. Casapu, J.-D. Grunwaldt, P. Haider, P. Trüssel, A. Baiker, and E. Welter, “A versatile in situ spectroscopic cell forluorescence/transmission EXAFS and X-ray diffraction of heterogeneous catalysts in gas and liquid phase”, J. Synchrotron Radiat. 14, 345 (2007).
J.-D. Grunwaldt, B. Kimmerle, S. Hannemann, A. Baiker, P. Boye and C.G. Schroer, “Parallel structural screening of solid materials”,  J. Mater. Chem., 17, 2603 (2007).
T. Seki, J.-D. Grunwaldt, A. Baiker, "Continuous catalytic “one-pot” multi-step synthesis of 2-ethylhexanal from crotonaldehyde", Chem. Commun., 3562 (2007).
P. Haider, J.-D. Grunwaldt, A. Baiker, ”Gold supported on Cu-Mg-Al and Cu-Ce mixed oxides: An in situ XANES study on the state of Au during aerobic alcohol oxidation”, J. Catal. 250, 313 (2007).
M. Casapu, J.-D. Grunwaldt, M. Maciejewski, A. Baiker, S.  Eckhoff, U. Göbel, M. Wittrock, ” The fate of platinum in Pt/Ba/CeO2 and Pt/Ba/Al2O3 catalysts during thermal ageing”, J. Catal. 251, 28 (2007).
J.-D. Grunwaldt, N. van Vegten , A. Baiker, "Insight into the structure of supported palladium catalysts during the total oxidation of methane", Chem. Commun., 4635 (2007).
C. Mondelli, D. Ferri, J.-D. Grunwaldt, F. Krumeich, S. Mangold, R. Psaro, A. Baiker, "Combined liquid-phase ATR-IR and XAS study of the Bi-promotion in the aerobic oxidation of benzyl alcohol over Pd/Al2O3", J. Catal. 252, 77 (2007).
G.L. Chiarello, J.-D. Grunwaldt, D. Ferri, F. Krumeich, C. Oliva, L. Forni, A. Baiker, "Flame synthesised LaCoO3-supported Pd: 1. Structure, thermal stability and reducibility", J. Catal. 252, 127 (2007).
G.L. Chiarello, D. Ferri, J.-D. Grunwaldt, L. Forni, A. Baiker, "Flame synthesised LaCoO3-supported Pd: 2. Catalytic behaviour in the reduction of NO by H2 under lean conditions", J. Catal. 252, 137 (2007).

2006
M. Casapu, J.-D. Grunwaldt, M. Maciejewski, M. Wittrock, U. Göbel, A. Baiker, "Formation and Stability of Barium Aluminate and Cerate in NOx Storage-Reduction Catalysts”, Appl. Catal. B 63, 232 (2006).
M. Caravati, J.-D. Grunwaldt, A. Baiker, "Solvent-modified Supercritical CO2: A Beneficial Medium for Heterogeneously Catalysed Oxidation Reactions", Appl. Catal. A 298, 50 (2006).
S. Hannemann, J.-D. Grunwaldt, F. Krumeich, P. Kappen, A. Baiker, “Electron Microscopy and EXAFS Studies on Oxide-Supported Gold-Silver Nanoparticles Prepared by Flame Spray Pyrolysis”, Appl. Surf. Sci. 252, 7862 (2006).
I. Ritzkopf, S. Vukojević, C. Weidenthaler, J.-D. Grunwaldt, F. Schüth, “Decreased CO production in methanol steam reforming over Cu/ZrO2 catalysts prepared by the microemulsion technique", Appl. Catal. A 302, 215 (2006).
J.-D. Grunwaldt, S. Hannemann, C.G. Schroer, A. Baiker, “2D-Mapping of the Catalyst Structure inside a Catalytic Microreactor at Work:  Partial Oxidation of Methane over Rh/Al2O3 “,J. Phys. Chem. B 110, 8674 (2006).
M. Ramin, J.-D.Grunwaldt, A. Baiker, “IR spectroscopy and phase behavior studies of the catalytic synthesis of propylene carbonate: Expanded liquid versus supercritical fluid”, Appl. Catal. A, 350, 46 (2006).
M. Caravati, D.M. Meier, J.-D. Grunwaldt, A. Baiker, “Continuous catalytic oxidation of solid alcohols in supercritical CO2: A parametric and spectroscopic study of the transformation of cinnamyl alcohol Pd/Al2O3”, J. Catal. 240, 126 (2006).
J.-D. Grunwaldt, M. Caravati, A. Baiker, „In situ extended X-ray absorption fine structure study during the selective alcohol oxidation over Pd/Al2O3 in supercritical carbon dioxide”, J. Phys. Chem. B 110, 9916 (2006).
G.D. Pirngruber, J.-D. Grunwaldt, J.A. van Bokhoven,  A. Kalytta, A. Reller, O. Safonova, P. Glatzel, “On the presence of Fe(IV) in Fe-ZSM-5 and FeSrO3-x – Unequivocal detection of the 3d4-spin system by Resonant Inelastic X-ray Scattering”, J. Phys. Chem. B 110, 18104 (2006).
M. Ramin, N. van Vegten, J.-D. Grunwaldt, A. Baiker, ”Simple preparation routes towards Zn-based catalysts for the solventless synthesis of propylene carbonate by carbon dioxide insertion”, J. Mol. Catal. A 258, 165 (2006).
J.-D. Grunwaldt, M. Caravati, A. Baiker, “Oxidic or metallic palladium – which is the active phase in Pd-catalysed alcohol oxidation?”, J. Phys. Chem. Lett. B 110, 25586 (2006).
L. Maedler, T. Sahm, A. Gurlo, J.-D. Grunwaldt, N. Barsan, U. Weimar, S.E. Pratsinis, ”Sensing Low Concentrations of CO Using Flame-spray-made Pt/SnO2 Nanoparticles”, J. Nanoparticle Res. 8, 783 (2006).
J.-D. Grunwaldt, S. Hannemann, P. Boye, C.G. Schroer, A. Baiker, “Monitoring a catalyst at work”, Highlight of Analytical Chemistry, Chimia 60, 709 (2006).

2005
M. Rohr, J.-D. Grunwaldt, A. Baiker, “A Simple Route to Highly Active Ruthenium Catalysts for Formylation Reactions with Hydrogen and Carbon Dioxide “, J. Mol. Catal. A 226, 253 (2005).
J.-D. Grunwaldt, A. Baiker “Axial Variation of the Oxidation State of Pt-Rh/Al2O3 during Partial Methane Oxidation in a Fixed-bed Reactor: An in situ X-ray Absorption Spectroscopy Study”, Catal. Lett. 99, 5 (2005).
J.-D. Grunwaldt, C. Kiener, F. Schüth, A. Baiker, “X-ray Absorption Spectroscopy on Cu/ZnO Catalysts Selected by High-throughput Experimentation Techniques”, Physica Scripta T115, 819 (2005).
C.G. Schroer, M. Kuhlmann, T.F. Günzler, B. Lengeler, M. Richwin, B. Griesebock, D. Lützenkirchen-Hecht, R. Frahm, E. Ziegler, A. Mashayekhi, D.R. Haeffner, J.-D. Grunwaldt, A. Baiker, „Analyzing Biological and Catalyst Samples by Tomographic X-ray Absorption Spectroscopy“, Physica Scripta T115, 1026 (2005).
M. Caravati, J.-D. Grunwaldt, A. Baiker, “Benzyl Alcohol Oxidation in “Supercritical” Carbon Dioxide: Spectroscopic Insight into Phase Behaviour and Reaction Mechanism”, Phys. Chem. Chem. Phys. 7, 278 (2005).
M. Rohr, J.-D. Grunwaldt, A. Baiker, “Formylation with Supercritical Carbon Dioxide over Ru/Al2O3 Modified by Phosphines: Heterogeneous or Homogeneous Catalysis?“, J. Catal. 229, 149 (2005).
D. Lützenkirchen-Hecht, J.-D. Grunwaldt, M. Richwin, B. Griesebock, A. Baiker, R. Frahm, "Monitoring of fast Transformations in Solid State Chemistry and Heterogeneous Catalysis by QEXAFS in the Second Scale", Physica Scripta T115, 831 (2005).
J.-D. Grunwaldt, S. Hannemann, J. Göttlicher, S. Manegold, M. Denecke, A. Baiker, „X-ray Absorption Spectroscopy on Heterogeneous Catalysts at the New XAS beamline at ANKA”, Physica Scripta T115, 769 (2005).
Z. Opre, J.-D. Grunwaldt, M. Maciejewski, D. Ferri, T. Mallat, A. Baiker, "Promoted Ru–hydroxyapatite: Designed Structure for the Fast and Highly Selective Oxidation of Alcohols with Oxygen", J. Catal. 230, 406 (2005).
J.-D. Grunwaldt, A. Baiker, “In situ Spectroscopic Investigation of Heterogeneous Catalysts and Reaction Media at High Pressure”, Phys. Chem. Chem. Phys. 7, 3526 (2005); invited article.
J.-D. Grunwaldt, M. Rohr, M. Ramin, A. Michailovski, G.R. Patzke, A. Baiker, “High Pressure in situ X-ray Absorption Spectroscopy Cell for Studying Simultaneously the Liquid Phase and the Solid/liquid Interface”, Rev. Sci. Instr. 76, 054104 (2005).
W.J. Stark, J.-D. Grunwaldt, M. Maciejewski, S.E. Pratsinis, A. Baiker, „Improved Thermal Stability of Flame-made Pt/ceria/zirconia for Low-temperature Oxygen Exchange”, Chem. Mat. 17, 3352 (2005).
M. Ramin, J.-D.Grunwaldt, A. Baiker, “Behavior of Homogeneous and Immobilized Zinc-based Catalysts in Cycloaddition of CO2 to Propylene Oxide”, J. Catal. 234, 256 (2005).
A. Michailovski, J.-D. Grunwaldt, A. Baiker, R. Kiebach, W. Bensch, G. R. Patzke, "Solvothermal Formation of MoO3 Fibers Studied by Complementary in situ-EXAFS/EDXRD Techniques", Angew. Chem. Int. Ed.  44 , 5643 (2005).
M. Ramin, J.-D. Grunwaldt, A. Baiker, ”Solventless Synthesis of Propylene Carbonate Catalysed by Chromium Salen Complexes: Bridging Homogeneous and Heterogeneous catalysis”, J. Mol. Catal. A 242, 32 (2005).
M. Burgener, D. Ferri, J.-D. Grunwaldt, T. Mallat, A. Baiker, „Supercritical Carbon Dioxide – An Inert Solvent for Catalytic Hydrogenation?”, J. Phys. Chem. B 109, 16794 (2005).
R. Strobel, J.-D. Grunwaldt, A. Camenzind, S.E. Pratsinis, A. Baiker, “Flame-made Alumina-supported Pt-Pd particles and their Behaviour in Catalytic Methane Combustion”, Catal. Lett. 104, 9 (2005).
Z. Opre, J.-D. Grunwaldt, T. Mallat, A. Baiker, “Selective Oxidation of Alcohols with Oxygen on Ru-Co-Hydroxyapatite: A Mechanistic Study”, J. Mol. Catal. A 242, 224 (2005).
M. Rohr, M. Günther, F. Jutz, J.-D. Grunwaldt, H. Emerich, W. van Beek, A. Baiker, “Evaluation of Strategies for the Immobilization of Bidentate Ruthenium Phosphine Complexes Used for the Reductive Amination of Carbon Dioxide”, Appl. Catal. A 296, 238 (2005).
S. Vukojević, O. Trapp, J.-D. Grunwaldt, C. Kiener, F. Schüth, “Quasi-homogenous Methanol Synthesis over Highly Active Copper Nanoparticles”, Angew. Chem. 44, 7978 (2005).

2004
C. Keresszegi, J.-D. Grunwaldt, T. Mallat, A. Baiker, „In situ EXAFS Study on the Oxidation State of Pd/Al2O3 and Bi-Pd/Al2O3 during the Liquid Phase Oxidation of 1-Phenylethanol”, J. Catal. 222, 268 (2004).
M. Caravati, J.-D. Grunwaldt, A. Baiker, “Selective Oxidation of Benzyl Alcohol to Benzaldehyde in “Supercritical” Carbon Dioxide”, Catal. Today 91-92, 1 (2004).
G.R. Patzke, A. Michailovski, F. Krumeich, R. Nesper, J.-D. Grunwaldt, A. Baiker, „A Novel, One-step Synthesis of Tailor-made Fibrous MoO3“, Chem. Mat. 16, 1126 (2004).
E. Tegeler, A. Hagen, J.-D. Grunwaldt, F. Roessner, „An Alternative Method for Ion Exchanged Catalysts: Solid State Reaction“, Proceedings of the 14th International Zeolite Conference (Eds. E. van Steen et al., ISBN 0-958-46636), 2192 (2004).
M.S. Schneider, J.-D. Grunwaldt, A. Baiker, „Near-critical CO2 in Mesoporous Silica Studied by In Situ FTIR Spectroscopy”, Langmuir 20, 2890 (2004).
M.S. Schneider, A. Urakawa, J.-D. Grunwaldt, T. Bürgi, A. Baiker, “Identification of Catalyst Surface Species during Platinum-catalyzed Asymmetric Hydrogenation in a Supercritical Solvent“, Chem. Comm., 744 (2004).
J.-D. Grunwaldt, M. Caravati, S. Hannemann, A.Baiker, „In situ X-ray Absorption Spectroscopy under Reaction Conditions: Suitability of Different Reaction Cells for Combined Catalyst Characterization and Time-resolved Studies“, Phys. Chem. Chem. Phys. 6, 3037 (2004).
C. Keresszegi, T. Mallat, J.-D. Grunwaldt, A. Baiker, “A Simple Discrimination of the Promoter Effect in Alcohol  Oxidation and Dehydrogenation over  Platinum and Palladium”, J. Catal. 225, 138 (2004).
N. Lopez J.K. Nørskov, T.V.W. Janssens, A. Carlsson, A. Puig-Molina, B.S. Clausen, J.-D. Grunwaldt, "The Adhesion and Shape of Nanosized Au particles in a Au/TiO2 catalyst", J. Catal. 225, 86 (2004).

2003
J.-D. Grunwaldt, R. Wandeler, A. Baiker, „Supercritical Fluids in Catalysis: Opportunities of in situ Spectroscopic Studies and Monitoring Phase Behaviour”, Catal. Rev. Sci. Eng. 45, 1 (2003).
J.-D. Grunwaldt, C. Keresszegi, T. Mallat, and A. Baiker, “In situ EXAFS Study of Pd/Al2O3 during Aerobic Oxidation of Cinnamyl Alcohol in an Organic Solvent”, J. Catal. 213, 191 (2003).
C. Kiener, M. Kurtz, H. Wilmer, C. Hoffmann, H.-W. Schmidt, J.-D. Grunwaldt, M. Muhler, F. Schüth, „High Throughput Screening under Demanding Conditions: Cu/ZnO Catalysts in High Pressure Methanol Synthesis as an Example”, J. Catal. 216, 110 (2003).
J.-D. Grunwaldt, M. Maciejewski, A. Baiker, „In situ X-ray Absorption Spectroscopy Study During Methane Combustion over Pd/ZrO2 Catalysts“, Phys. Chem. Chem. Phys. 5, 1481 (2003).
C.G. Schroer, M. Kuhlmann, T.F. Günzler, B. Lengeler, M. Richwin, B. Griesebock, D. Lützenkirchen-Hecht, R. Frahm, E. Ziegler, A. Mashayekhi, D.R. Haeffner, J.-D. Grunwaldt, A. Baiker, „Mapping the Chemical States of an Element Inside a Sample Using Tomographic X-ray Absorption Spectroscopy, Appl. Phys. Lett. 82, 3360 (2003).
C. Keresszegi, J.-D. Grunwaldt, T. Mallat, A. Baiker, „Liquid Phase Oxidation of Alcohols with Oxygen: In situ Monitoring of the Oxidation State of Bi-Promoted Pd/Al2O3” Chem. Comm., 2304 (2003).
M.S. Schneider, J.-D. Grunwaldt, T. Bürgi, A. Baiker, „High Pressure View-Cell for Simultaneous in situ Infrared Spectroscopy and Phase Behaviour Monitoring of Multiphase Chemical Reactions”, Rev. Sci. Instr. 74, 4121 (2003).
J.-D. Grunwaldt, M. Caravati, M. Ramin, A. Baiker, “Probing Active Sites During Palladium-Catalysed Alcohol Oxidation in “Supercritical” Carbon Dioxide, Catal. Lett. 90, 221 (2003).

2002
J.-D. Grunwaldt, B.S. Clausen, “Combining XRD and EXAFS with On-line Catalytic Studies for in situ Characterization of Catalysts”, Topics in Catalysis 18, 37 (2002).
J.-D. Grunwaldt, H. Teunissen, „Process for the catalytic oxidation of carbon monoxide and/or methanol”, Haldor Topsoe A/S, Eur. Pat. No. EP1209121, 2002; also published as Japanese patent No. JP2002220205, 2002, US Pat. No. US6692713, 2002.
J.-D. Grunwaldt, P. Kappen, L. Basini, B.S. Clausen “Iridium Clusters for Catalytic Partial Oxidation of Methane – An in situ Transmission and Fluorescence XAFS Study”, Catal. Lett. 78, 13 (2002).
P. Kappen, L. Tröger, H. Zink, G. Materlik, C. Reckleben, K. Hansen, J.-D. Grunwaldt, B.S. Clausen, “Silicon Drift Detectors as a Tool for Time Dependent Fluorescence XAFS Studies on Low Concentrated Catalysts”, J. Synchr. Rad. 9, 246 (2002).
J.-D. Grunwaldt, C. Beck, W. Stark, A. Hagen, A. Baiker, “In situ XANES Study on TiO2-SiO2 Aerogels and Flame Made Materials”, Phys. Chem. Chem. Phys. 4, 3514 (2002).

2001
J.-D. Grunwaldt, P. Kappen, B.S. Hammershøi, L. Tröger, B.S. Clausen, “Fluorescence EXAFS for the in situ Study on the State of Promoters in Catalysis”, J. Synchr. Rad. 8, 572 (2001).
J.-D. Grunwaldt, L. Basini, B.S. Clausen, “In situ EXAFS Study on Rh/Al2O3 Catalysts for Catalytic Partial Oxidation of Methane”, J. Catal. 200, 321 (2001).
P. Kappen, J.-D. Grunwaldt, B.S. Hammershøi, L. Tröger, G. Materlik, B.S. Clausen, “In situ Fluorescence XAFS Study on the State of the Cu Promoter Atoms in High Temperature Shift Catalysts”, J. Catal. 198, 56 (2001).
J.-D. Grunwaldt, D. Lützkirchen-Hecht, M. Richwin, S. Grundmann, B.S. Clausen, R. Frahm, “The Study of Transformations of Solids in the Millisecond Range – A Piezo XAFS study”, J. Phys. Chem. 105, 5161 (2001).
M. Maciejewski, P. Fabrizioli, J.-D. Grunwaldt, O.S. Becker, A. Baiker, “Supported Gold Catalysts for CO Oxidation: Effect of Calcination on Structure, Adsorption and Catalytic Behaviour”, Phys. Chem. Chem. Phys. 3, 3817 (2001).
H.T. Teunissen, J.-D. Grunwaldt, B.T. Jespersen, A. Leerskov, G. Mogensen, J. Perregaard, G. Vorbeck, J. Nerlov, „Preparation, Activation and Catalytic Performance of New, Highly Active VPO Catalysts for the Selective Oxidation of Butane“, Proceedings of the 4th World Congress on Oxidation Catalysis, p. 101 – 106 (2001).

2000
J.-D. Grunwaldt, A.M. Molenbroek, N.-Y. Topsøe, H. Topsøe, B.S. Clausen, “In Situ Investigations of Structural Changes in Cu/ZnO Catalysts”, J. Catal. 194, 452 (2000).

1999
M.D. Wildberger, M. Maciejewski, J.-D. Grunwaldt, T. Mallat, A. Baiker, “Sol-gel Bismuth-Molybdenum-Titanium Mixed Oxides II - Oxidation of Butadiene to Furan”, Appl. Catal. A: General, 179(1-2), 189 (1999).
J.-D. Grunwaldt, C. Kiener, C. Wögerbauer, A. Baiker, “Preparation of Supported Catalysts for Low Temperature CO Oxidation via “Size-Controlled” Gold Colloids”, J. Catal. 181(2), 223 (1999).
J.-D. Grunwaldt, A. Baiker, “Gold/Titania Interfaces and Their Role in Carbon Monoxide Oxidation”, J. Phys. Chem. B – Condensed Phase 103(6), 1002 (1999).
J.-D. Grunwaldt, M. Maciejewskij, O.S. Becker, P. Fabrizioli, A. Baiker, “Comparative Study of Au/TiO2 and Au/ZrO2 Catalysts for Low-Temperature CO Oxidation”, J. Catal. 186 (2), 458 (1999).

1998
J.-D. Grunwaldt, M.D. Wildberger, T. Mallat, A. Baiker, “Unusual Redox Properties of Bismuth in Sol-Gel Bi-Mo-Ti Mixed Oxides”, J. Catal. 177, 53-59 (1998).
J.-D. Grunwaldt. O. Becker, A. Baiker, “Investigation of Small Size-controlled Gold Particles for Low Temperature CO Oxidation by Electron Microscopy”, ICEM Proceedings, 14, Vol. II, 431-432 (1998).
S.M. Auer, J.-D. Grunwaldt, A. Baiker, “Reduction of 4-Nitrotoluene over Fe-Mg-Al LDHs”, J. Mol. Catal. A Chemical, 139 (2), 305-314 (1998).
M.D. Wildberger, J.-D. Grunwaldt, M. Maciejewski, T. Mallat, A. Baiker, “Sol-gel Bismuth-Molybdenum-Titanium Mixed Oxides I, Preparation and Structural Properties”, Appl. Catal. A, 175(1-2), 11 (1998).
M.D. Wildberger, J.-D. Grunwaldt, T. Mallat, A. Baiker, “Comparison of the Redox Properties of Sol-gel and Conventionally Prepared Bi-Mo-Ti Mixed Oxides“, DGMK Tagungsbericht 9803, Proceedings of the DGMK Conference “Selective Oxidations in Petrochemistry”, eds. G. Emig, C. Kohlpainter, B. Lücke, p. 103 (1998).
A. Baiker, J.-D. Grunwaldt, C.A. Müller, L. Schmid, “Catalytic Materials by Design”, Chimia 52 (10), 517 (1998).

1997
J.-D. Grunwaldt, U. Göbel, A.Baiker, “Preparation and Characterization of Thin TiO2 Films on Gold/mica”, Fres. J. Analyt. Chem. 358 (1-2), 96-100 (1997).
4. C. Robson, M. A. Meek, J.-D. Grunwaldt, P.A. Lambert, S.F. Queener, D. Schmidt, R.J. Griffin, “Nonclassical 2,4-Diamino-5-aryl-6-ethylpyrimidine Antifolates”, J. Med. Chem. 40, 3040-3048 (1997).

1996
J.-D. Grunwaldt, F. Atamny, U. Göbel, A. Baiker, “Preparation of Thin Silver Films on Mica Studied by XRD and AFM”, Appl. Surf. Sci. 99, 353 (1996).
J.-D. Grunwaldt, “First Reactive Species in Methanol Oxidation Atomically Resolved: Is this the Start of a New Era of Heterogeneous Catalysts?”, Chimia 50, 450 (1996).

1994
J-D. Grunwaldt, W. Gunßer, T. Danger, K. Petermann, A. Reller, “Determination of a New Titanium Site in Ti:YAlO3”, J. Phys. Chem. Solids 55 (8), 699 (1994).

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