Publications of Alexander H. P. Hahn

All genres

Journal Article (7)

2005

Journal Article

Hahn, Alexander H.P., Rolf E. Jentoft, Thorsten Ressler, Gisela Weinberg, Robert Schlögl and Friederike C. Jentoft: Rapid Genesis of Active Phase during Calcination of Promoted Sulfated Zirconia Catalysts.

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Journal Article

Jentoft, Rolf E., Alexander H.P. Hahn, Friederike C. Jentoft and Thorsten Ressler: XAS In Situ Cell for Measurements of Mn and Fe Promoted Sulfated Zirconia Catalysts.

MPG.PuRe

DOI

Journal Article

Jentoft, Rolf E., Alexander H.P. Hahn, Friederike C. Jentoft and Thorsten Ressler: In-situ XANES Study on Mn in Promoted Sulfated Zirconia Catalysts.

MPG.PuRe

DOI

2004

Journal Article

Jentoft, Friederike C., Alexander H.P. Hahn, Jutta Kröhnert, Gisela Lorenz, Rolf E. Jentoft, Thorsten Ressler, Ute Wild, Robert Schlögl, Carmen Häßner and Klaus Köhler: Incorporation of Manganese and Iron into the Zirconia Lattice in Promoted Sulfated Zirconia Catalysts.

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2003

Journal Article

Klose, Barbara S., Rolf E. Jentoft, Alexander H.P. Hahn, Thorsten Ressler, Jutta Kröhnert, Sabine Wrabetz, Xiaobo Yang and Friederike C. Jentoft: Mechanical stress induced activity and phase composition changes in sulfated zirconia catalysts.

MPG.PuRe

DOI

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2001

Journal Article

Hahn, Alexander H.P., Thorsten Ressler, Rolf E. Jentoft and Friederike C. Jentoft: The role of the "glow phenomenon" in the preparation of sulfated zirconia catalysts.

MPG.PuRe

DOI

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Journal Article

Jentoft, Rolf E., Alexander H.P. Hahn, Friederike C. Jentoft and Thorsten Ressler: Manganese, Iron and Sulfur K edge XAFS of Promoted Sulfated Zirconia Catalysts.

MPG.PuRe

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Abstr

Book Chapter (4)

2001

Book Chapter

Jentoft, Rolf E., Alexander H.P. Hahn, Friederike C. Jentoft and Thorsten Ressler: Incorporation of transition metal ion promoters in sulfated zirconia catalysts.

MPG.PuRe

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Book Chapter

Jentoft, Rolf E., Alexander H.P. Hahn, Friederike C. Jentoft, Robert Schlögl and Thorsten Ressler: In situ cell for measuring X-ray absorption spectra of powder catalysts in the fluorescence mode.

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2000

Book Chapter

Jentoft, Rolf E., Alexander H.P. Hahn, Friederike C. Jentoft, Robert Schlögl and Thorsten Ressler: Mn and Zr K edge in situ XAS measurements of promoted sulfated zirconia catalysts.

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1999

Book Chapter

Jentoft, Rolf E., Alexander H.P. Hahn, Friederike C. Jentoft, Robert Schlögl and Thorsten Ressler: Iron- and manganese-promoted sulfated zirconia: evidence of redox reactions.

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Talk (11)

2005

Talk

Wrabetz, Sabine, Jutta Kröhnert, Alexander Hahn, Friederike C. Jentoft and Robert Schlögl: Surface properties of Fe-promoted sulfated zirconia catalysts: Probe molecule adsorption studied by microcalorimetry & IR spectroscopy.

(16. Ulm-Freiberger-Kalorimetrietage, Freiberg / Sachsen, Mar 2005).

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2003

Talk

Jentoft, Friederike C., Alexander H.P. Hahn, Rolf E. Jentoft, Thorsten Ressler, Genka Tzolova-Müller, Rafat Ahmad and Robert Schlögl: Effect of Promoters Mn and Fe on Sulfated Zirconia Isomerization Catalysts.

(European Laboratory for Surface Science and Catalysis (ELCASS), 2nd annual meeting, Messina, Italy, Nov 2003).

MPG.PuRe

Talk

Jentoft, Friederike C., Barbara S. Klose, Alexander H.P. Hahn, Rolf E. Jentoft, Thorsten Ressler, Rafat Ahmad, Jörg Melsheimer, Xiaobo Yang and Robert Schlögl: Role of Bulk Phase in Sulfated Zirconia Catalysts.

(18^th North American Catalysis Society Meeting, Cancun, Mexico, Jun 2003).

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Talk

Klose, Barbara S., Alexander H.P. Hahn, Rolf E. Jentoft, Thorsten Ressler, Friederike C. Jentoft and Robert Schlögl: Änderung von Aktivität & Phasenzusammensetzung beim Mahlen und Pressen von ZrO₂-Katalysatoren.

(102. Hauptversammlung der Deutschen Bunsen-Gesellschaft für Physikalische Chemie, Kiel, Germany, May 2003).

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2002

Talk

Jentoft, Friederike C., Alexander H.P. Hahn, Thorsten Ressler and Sabine Wrabetz: Herstellung und Aktivität von Isomerisierungskatalysatoren auf Basis von Zirconiumdioxid.

(Chemiedozententagung 2002, Köln, Germany, Mar 2002).

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Talk

Jentoft, Rolf E., Alexander H.P. Hahn, Friederike C. Jentoft and Thorsten Ressler: In Situ X-ray Absoprtion Spectroscopy of Manganese Promoted Sulfated Zirconia Catalysts.

(GDCh Hamburg Workshop: Application of Synchrotron Radiation in Chemistry-Status and Future, Hamburg, Sep 2002).

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Talk

Wrabetz, Sabine, Rafat Ahmad, Alexander H.P. Hahn, Jörg Melsheimer and Friederike C. Jentoft: Adsorption und Reaktion von Alkanen an Zirconiumdioxidkatalysatoren.

(101. Hauptversammlung der Deutschen Bunsen-Gesellschaft für Physikalische Chemie, Potsdam, Germany, May 2002).

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2001

Talk

Jentoft, Rolf E., Thorsten Ressler, Alexander H.P. Hahn, Klaus Köhler and Friederike C. Jentoft: Promoted Sulfated Zirconia: Modification of Zirconia Bulk through Incorporation of Fe and Mn Cations.

(5^th European Congress on Catalysis:EUROPACAT V, Limerick, Ireland, Sep 2001).

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Talk

Wrabetz, Sabine, Alexander H.P. Hahn, Thorsten Ressler and Friederike C. Jentoft: Untersuchung von Zirkonoxidkatalysatoren mit Adsorptionskalorimetrie.

(14. Ulm-Freiberger Kalorimetrietage, Freiberg/Sachsen, Mar 2001).

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