Publications of Julia Wienold
All genres
Poster (24)
2003
Poster
Kirilenko, Olga, Frank Girgsdies, Rolf E. Jentoft, Julia Wienold and Thorsten Ressler: In situ XAS Study on the Decomposition of Ammonium Paratungstate in Various Atmospheres.
(Hasylab users meeting, Hamburg, DESY, Jan 2003).
Poster
Wienold, Julia, Olaf Timpe, Rolf E. Jentoft and Thorsten Ressler: Bulk Structural Evolution of Heteropoly Acids Under Reaction Conditions by in situ XAS and XRD.
(XXXVI. Jahrestreffen dt. Katalytiker 2003, Weimar, Mar 2003).
Poster
Wienold, Julia, Olaf Timpe, Rolf E. Jentoft and Thorsten Ressler: Bulk Structural Evolution of Heteropoly Acids Under Reaction Conditions by in situ XAS and XRD.
(HASYLAB User's Meeting 2003, Hamburg, Germany, Jan 2003).
Poster
Wienold, Julia, Olaf Timpe and Thorsten Ressler: In situ Structural Evolution of Molybdenum Heteropoly Acids.
(EuropaCat-VI, Innsbruck/Austria, Aug 2003).
2002
Poster
Wienold, Julia, Rolf E. Jentoft, Olaf Timpe and Thorsten Ressler: In situ bulk structural studies on the decomposition of molybdenum oxide catalyst precursors.
(AGICHEM 2002, 6 th International Conference on Inorganic Chemistry, München, Apr 2002).
Poster
Wienold, Julia, Rolf E. Jentoft, Olaf Timpe and Thorsten Ressler: In situ XAS Study on the Evolution of Keggin Anions during Thermal Treatment in different Atmospheres.
(Hasylab User's Meeting 2002, Hamburg, Jan 2002).
Poster
Wienold, Julia, Olaf Timpe, Rolf E. Jentoft and Thorsten Ressler: Study on the Thermal Decomposition of Ammonium Heptamolybdate.
(Hamburg Workshop of Synchrotron Radiation in Chemistry - Status and Future, Hamburg, Germany, Sep 2002).
Poster
Wienold, Julia, Olaf Timpe, Rolf E. Jentoft and Thorsten Ressler: Temperature progammed decomposition of heteropolyacids - An in situ XAS characterization.
(Hamburg Workshop Application of Synchrotron Radiation in Chemistry - Status and Future, Hamburg, Germany, Sep 2002).
Poster
Wienold, Julia, Olaf Timpe, Rolf E. Jentoft and Thorsten Ressler: In situ XAS Characterization of Heteropoly Acids During Temperature Programmed Decomposition.
(XXXV. Jahrestreffen deutscher Katalytiker 2002, Weimar, Mar 2002).
2001
Poster
Mestl, Gerhard, Thorsten Ressler, Friederike C. Jentoft, Jörg Melsheimer, Olaf Timpe, Julia Wienold, Jutta Kröhnert and Robert Schlögl: Heteropoly Acids: Preparation, Structural Characterisation and Catalytic Properties.
(Heidelberg Forum of Molecular Catalysis, Heidelberg, Germany, Dec 2001).
Poster
Timpe, Olaf, Holger Noak, Julia Wienold and Gerhard Mestl: Activation and deactivation behavior of heteropoly acids as catalyst precursors.
(4th World Congress on Oxidation Catalysis, Potsdam, Sep 2001).
Poster
Wienold, Julia, Rolf E. Jentoft, Olaf Timpe and Thorsten Ressler: Insight in the thermal decomposition of ammonium heptamolybdate.
(4th World Congress on Oxidation Catalysis, Potsdam, Germany, Sep 2001).
Poster
Wienold, Julia, Rolf E. Jentoft, Olaf Timpe and Thorsten Ressler: Nahordnung versus kristalline Struktur / Vergleiche zwischen in situ XAS und XRD Studien.
(9. Jahrestagung des DGK, Bayreuth, Germany, Mar 2001).
Poster
Wienold, Julia, Rolf E. Jentoft, Olaf Timpe, Robert Schlögl and Thorsten Ressler: Influence of different treatments on the decomposition of Ammonium Heptamolybdate.
(XXXIV Jahrestreffen Deutscher Katalytiker, Weimar, Mar 2001).
Poster
Wienold, Julia, Olaf Timpe, Rolf E. Jentoft, Gerhard Mestl and Thorsten Ressler: In situ XAS study on the thermal treatment of molybdenum heteropolyacids.
(Hasylab User's Meeting 2001, Hamburg, Jan 2001).
2000
Poster
Wienold, Julia, Marco Maria Günter, Rolf E. Jentoft, Bettina Bems and Thorsten Ressler: In situ X-ray absorption studies on metal oxides.
(HASYLAB User's Meeting 2000, Hamburg, Jan 2000).
Poster
Wienold, Julia, Rolf E. Jentoft and Thorsten Ressler: Structural investigation of the thermal decomposition of ammonium heptamolybdate.
(International Symposium on the Reactivity of Solids, Budapest, Aug 2000).
Poster
Wienold, Julia, Rolf E. Jentoft, Olaf Timpe, Thomas Neisius, Robert Schlögl and Thorsten Ressler: Rapid solid state reduction / oxidation measured by time-resolved X-ray absorption spectroscopy.
(XXXIII. Jahrestreffen dt. Katalytiker 2000, Weimar, Mar 2000).
Poster
Wienold, Julia, Rolf E. Jentoft, Olaf Timpe, Robert Schlögl and Thorsten Ressler: In situ time-resolved X-ray absorption studies on the thermal reduction of MoO3.
(ESRF user's meeting 2000, Grenoble, France, Feb 2000).
Poster
Wienold, Julia, Olaf Timpe, Rolf E. Jentoft, Gerhard Mestl and Thorsten Ressler: Evolution of Molybdenum HPA under temperature-programmed-reaction conditions – An in situ EXAFS study.
(11th Catalysts Research Conference, Sapporo, Japan, Aug 2000).