News

October 2020

Virtual meeting with Prof. Dr. Soldatov (SFedU, Rostov-on-Don, RU)

On October 7th, the groups of Prof. Dr. Grunwaldt (KIT, Karlsruhe, DE) and Prof. Dr. Soldatov (SFedU, Rostov-on-Don, RU) held a joint virtual workshop on Hard X-ray Spectroscopy and Advanced Data Analysis for Catalysis. The workshop brought together over 50 scholars from Germany – Karlsruhe Institute of Technology, and Russia – The Smart Materials Research Institute at the Southern Federal University. The talks were devoted to the infrastructure and experimental research highlights from KIT as well as the advances of SFedU in the areas of machine learning, big data analysis and prediction of X-ray absorption spectra for catalytically active materials. After the workshop, a group leader meeting took place to recapitulate on the synergism in the research portfolios and discuss plans for a future collaboration in applying advanced measurement and analysis techniques to understand industrially relevant catalytic materials and processes.

Short overview of the held talks:

  • 14:00 Short introductions of the respective groups (Prof. Dr. J.-D. Grunwaldt, KIT and Prof. Dr. A. Soldatov, SFedU)

  • 14:15 XAS modelling and analysis to identify structure and nuclearity of Cu species in zeolite catalysts (Ilia Pankin, SFedU)

I. Pankin presented theoretical and experimental evaluation of the structure and stability of various Cu species in several zeolite structures used for methane-to-methanol, methanol-to-olefins, and selective catalytic reduction of NOx.

  • 14:45 Machine Learning for XANES Analysis of Palladium Nanocatalysts (Oleg Usoltsev, SFedU)

O. Usoltsev reported on the progress of his PhD work on the application of machine learning for modelling and analysis of XANES spectra of palladium nanoparticles and the corresponding hydrides and carbides formed in various catalytic processes.

  • 15:15 Actual challenges and emerging techniques to study heterogeneous catalysts (Dmitry Doronkin, KIT)

The presentation of D. Doronkin outlined current trends in operando catalytic studies performed under industrially relevant conditions at various timescales using hard X-ray spectroscopy and complementary techniques.

  • 15:45 Hard X-ray imaging and tomography studies of heterogeneous catalysts (Thomas Sheppard, KIT)

In his talk T. Sheppard summarised the recent developments in X-ray imaging and tomography of structured catalytic materials with highlights on high resolution imaging at <20 nm, and operando spectrotomography of automotive catalysts.

Karlsruhe and Rostov-on-Don, 09.10.2020

 

2017

Dynamic structural behavior of particles in exhaust gas catalysts

A dynamic structural behavior of Pt nanoparticles on the ceria surface under reducing/oxidizing conditions was found at moderate temperatures and exploited to enhance the catalytic activity of Pt/CeO2-based exhaust gas catalysts.

Gänzler, A.M.; Casapu, M.; Vernoux, P.; Loridant, S.; Cadete Santos Aires, F.J., Epicier, T.; Betz, B.; Hoyer, R.; Grunwaldt, J.-D. Angew. Chem. Int. Ed. 2017, 56, 13078-13082.

 

Catalysis Science & Technology - Cover Article

Pt-based diesel oxidation catalysts were exposed to rapid transient temperature conditions based on a realistic driving cycle. A microreactor setup was used for rapid heating/cooling coupled to operando X-ray absorption spectroscopy and on-line mass spectrometry. Major differences in catalyst structure and performance were observed under transient conditions compared to model studies.

Benzi, F.; Sheppard, T.L.; Doronkin, D.E.; Meira, D.M.; Gänzler, A.M.; Baier, S.; Grunwaldt, J.-D. Catal. Sci. Technol. 2017, 7, 3999-4006.

 

CAT-ACT opening workshop

On 20. and 21. September 2017 a two day workshop dedicated to the inauguration of KIT´s new beamline for catalysis and actinide research (CAT-ACT) was taking place in the ANKA seminar room. CAT-ACT is jointly operated by the KIT institues INE (for radionuclide science) and IKFT/ITCP (for catalysis research).

 

3D X-ray tomography

Cutting-edge synchrotron X-ray tomography was applied to image catalysts at work. The structure of a core@shell catalyst for direct synthesis of dimethyl ether (DME) was detailed in 3D, in situ and simultaneously by X-ray diffraction, fluorescence and absorption tomography; revealing important information about catalyst structure and function which is unavailable using conventional methods.

Sheppard, T.L.; Price, S.W.T.; Benzi, F.; Baier, S.; Klumpp, M.; Dittmeyer, R.; Schwieger, W.; Grunwaldt, J.-D. J. Am. Chem. Soc. 2017, 139, 7855-7863.

 

2016

Priority Program SPP2080

The DFG establishes the priority program "Catalysts and Reactions under Dynamic Operation Conditions for Energy Storage and Conversion" (SPP 2080). Coordinator of the SPP 2080 is Prof. Dr. Jan-Dierk Grunwaldt.

 

First EXAFS spectra at CAT-ACT and in situ XAS spectra at PETRA III extension

The first in situ XAS spectra were recorded in October 2015 at the PETRA III extension / Hamburg on two catalysts and the first EXAFS spectra on exhaust gas catalysts at the Pt L3-edge in december 2015 at CAT-ACT!

Link to CAT-ACT

Link to P65 at PETRA III extension

 

August 2015

XAFS16
Successful X-ray absorption spectroscopy conference in Karlsruhe with more than 550 participants.
Link_more 

Sino-German Workshop on "In situ Spectroscopy on Catalysts and Membranes"
28 - 29 August 2015
Link_more

 

Juli 2015

Einblicke in Abgaskatalysatoren: Zu unserer gemeinsamen Veröffentlichung in Chem Commun gibt es jetzt eine Presseinformation, die den Nutzen und unsere Ergebnisse zur Forschung mit XAS/XES für ein breites Publikum leicht verständlich darstellt:
Pressemitteilung   



Februar 2015

Neuer Blockkurs: Technologien und Ressourcen für erneuerbare Energien: Von Wind und Solar zu chemischen Energieträgern“ in der Woche vom 23. – 27. Februar 2015

Nähere Informationen:
http://www.itcp.kit.edu/lehrveranstaltungen_373
 

Workshop "Catalysis meets Sensing"

am 6.2.2015

Link_more



September 2014

We are looking for an analytical chemist or chemical engineer for our Institute of Catalysis Research and Technology. Please take a look at the job offer for further information.

 
Hans-Dinger-Preis 2014 Dipl.-Chem. Paul Sprenger und Dipl.-Chem. Andreas Gremminger, beide Doktoranden in den Arbeitskreisen von Prof. Grunwaldt und Prof. Deutschmann am Institut für Technische Chemie und Polymerchemie, wurde für ihre Diplomarbeiten mit dem Hans-Dinger-Preis der Forschungsvereinigung Verbrennungskraftmaschinen ausgezeichnet.“ Pressemitteilung

 

March 2014

Prof. Jan-Dierk Grunwaldt wird Mitglied der "Kommission der Deutschen Gesellschaft für Katalyse (GeCatS)" und für das "Kommittee für Synchrotronstrahlung" in Deutschland gewählt.

 

February 2014

Dr. Ying Zhou wird mit einem Humboldt-Stipendium ausgezeichnet.

4 Jahre Karlsruhe!
Der Arbeitskreis feierte 4-jähriges Bestehen in Karlsruhe am 01.02.2014.

 

 

Dezember 2014: Wir suchen eine/n Wissenschaftler/in für operando EXAFS und/oder eine Beamlinewissenschaftler/in. Nähere Informationen finden Sie in der Stellenausschreibung .

 

December 2013

Der Wiggler für die Strahlführung "CAT-ACT" an ANKA trifft ein. FMB-Oxford stellt das Beamline Design für CAT-ACT vor und grünes Licht wird gegeben.

 

 

June 2013

Das BMBF fördert die Anträge "ZeitKatMat" (Zusammenarbeit mit Prof. Ronald Frahm und mit Prof. Andreas Jentys) und "Nanoskop" (Zusammenarbeit mit Prof. C.G. Schroer, TU Dresden) zur Ausnutzung neuester Methoden am Synchrotron in der Katalyse.

 

March 2013

Wilhelm and Else Heraues seminar on „Energy-related catalysis today and tomorrow: From fundamentals to application”

 

February 2013

The "Chair in Catalysis and Chemical Technology" is now since 3 years lead by Prof. Jan-Dierk Grunwaldt in Karlsruhe!

 

January 2013

Review Article with Prof. Dunin-Borkowski (Ernst Ruska Centre, Jülich/Achen) and Jakob Wagner (Center of Electron Nanoscopy, DTU, DK) in Chem. Cat.Chem.

 

August 2012

Start of Activities in NANOMICRO; more information here.

 

December 2011

Konstantin Hengst and Henning Lichtenberg start as PhD-student and postdoctoral researcher, respectively.

 

November 2011

Julia Engelke, Regina Weber and Tobias Günther start their diploma work in the fields of synthesis, exhaust gas catalysis and spectroscopy - welcome!

 

June 2011

Maria Casapu joins our group in the field of exhaust gas catalysis. Link to the exhaust gas centre with Prof. Dr. Olaf Deutschmann and Prof. Dr. Sven Kureti: here 

The virtual institute "In-operando imaging of chemical and biological processes" is supported after a positive presentation in Berlin. One of the aims is the application of in situ microscopy on heterogeneous catalysts. Informations on recent job announcements you can find here.

 

April/May 2011

Sabrina Conrad, Meike Gotthardt, Roland Schoch in April and Joachim Reimer in May start their diploma work in the fields of spectroscopy, synthesis, exhaust gas catalysis and biomass conversion- welcome.

Martin Schubert joins the group in the field of biomass conversion. Welcome from Switzerland!

 

March 2011

16.3. - 18.3.2011: German catalysis conference - we hired a bus and go with AK Deutschmann to Weimar! All scientific staff join.

 

January 2011

Gian Luca and Georg join the group. Welcome!

The Institute for Catalysis Research and Technology (IKFT) at KIT-Campus North is founded. JDG is one of the four members of the extended directory board.

 

October 2010

Workshop on "Shining synchrotron light on catalysts - Needs and opportunities for the future" (organized by Matthias Bauer, Stefan Mangold (ANKA), Jan-Dierk Grunwaldt) on October 8, 2010, part of the Annual ANKA User Meeting, register here.

PD Dr. Sven Kureti moves to a Chair in Reaction Engineering as full professor to Freiberg. Congratulations!

 

September 2010

World Congress in Chemistry, 150 years after the first world congress in Karslruhe, 10 participants of our group

 

June 2010

BMBF accepts 2 proposals "Materials in Action" and "X-ray microscopy on catalysts" at German synchrotron radiation sources (ANKA and PETRA) with start in June 2010.

Our Helmholtz-Kolleg "Energy-related catalysis" is funded with start in October 2010. If you are interested in a master or PhD-thesis, please contact me directly.

 

February 2010

Start of our group in Karlsruhe.