Sonderforschungsbereich 546

"Struktur, Dynamik und Reaktivität von Übergangsmetalloxid-Aggregaten"

Berichtszeitraum 2008/2 - 2011/1

[S11]

R. Schlögl
Active Sites for Propane Oxidation: Some Generic Considerations.
Top. Catal. 54 (2011) 627 - 638.

[LFZ11]

X. Liu, B. Frank, W. Zhang, T.P. Cotter, R. Schlögl, and D.S. Su
Carbon-Catalyzed Oxidative Dehydrogenation of n-Butane: Selective Site Formation during sp³-to-sp² Lattice Rearrangement
Angew. Chem. Int. Ed. 50 (2011) 3318 - 3322.

[GHH11]

C. Guo, K. Hermann, M. Hävecker, J. Thielemann, P. Kube, L. Girgsdies, A. Trunschke, J. Sauer, R. Schlögl
Structural Analysis of Silica-Supported Molybdena Based on X-Ray Spectroscopy: Quantum Theory and Experiment
J. Phys. Chem. 115 (2011) 15449 - 15458.

[HWK11]

M. Hävecker, S. Wrabetz, J. Kröhnert, L.-I Csepei, R. Naumann d'Alnoncourt, Y.V. Kolen'ko, F. Girgsdies, R. Schlögl, A. Trunschke
Surface chemistry of phase-pure M1 MoVTeNb oxide during operation in selective oxidation of propane to acrylic acid
J. Catal. 285 (2011) 48 - 60.

[ZTS10]

W. Zhang, A. Trunschke, R. Schlögl, and D.S. Su
Real-Space Observation of Surface Termination of a Complex Metal Oxide Catalyst
Angew. Chem. Int. Ed. 49 (2010) 6084 - 6089.

[GWP10]

P. Grüne, T. Wolfram, K. Pelzer, R. Schlögl, and A. Trunschke
Role of dispersion of vanadia on SBA-15 in the oxidative dehydrogenation of propane
Catalysis Today 157 (2010) 137 - 142.

[TEW09]

J.-P. Tessonnier, O. Ersen, G. Weinberg, C. Pham.Huu, D.S. Su, R. Schlögl
Selective Deposition of Metal Nanoparticles Inside or Outside Multiwalled Carbon Nanotubes
ACS Nano 3 (2009) 2081 - 2089.

[HWS09]

R. Herbert, D. Wang, R. Schomäcker, R. Schlögl, and C. Hess
Stabilization of Mesoporous Silica SBA-15 by Surface Functionalization
Chem. Phys. Chem. 10 (2009) 2230 - 2233.

[HCH09]

M. Hävecker, M. Cavalleri, R. Herbert, R. Follath, A. Knop-Gericke, C. Hess, K. Hermann, and R. Schlögl
Methodology for the structural characterisation of V_xO_y species supported on silica under reaction conditions by means of in situ O K-edge X-ray absorption spectroscopy
Phys. Status Solidi B 246 (2009) 1459 - 1469.

[FZB09]

B. Frank, J. Zhang, R. Blume. R. Schlögl, and D.S. Su
Heteroatoms Increase the Selectivity in Oxidative Dehydrogenation Reactions on Nanocarbons
Angew. Chem. Int. Ed. 48 (2009) 6913 - 6917.

[FFH09]

B. Frank, R. Fortrie, C. Hess, R. Schlögl, and R. Schomäcker
Reoxidation dynamics of highly dispersed VO_x species supported on γ-alumina
Appl. Catal. A: General 353 (2009) 288 -295.

[DKF09]

A. Dinse, S. Khennache, B. Frank, C. Hess, R. Herbert, S. Wrabetz, R. Schlögl, and R. Schomäcker
Oxidative dehydrogenation of propane on silica (SBA-15) supported vanadia catalysts: A kinetic investigation.
J. Mol. Catal. A Chemical 307 (2009) 43 - 50.

Berichtszeitraum 2005/2 - 2008/1

[H07]

C. Hess
Direct Correlation of the Dispersion and Structure in Vanadia supported on Silica SBA-15
J. Catal. 248 (2007) 120 - 123.

[VHJ07]

T.V. Venkov, C. Hess and F.C. Jentoft
Redox Properties of Vanadium Ions in SBA-15-Supported Vanadium Oxide: An FTIR Spectroscopic Study
Langmuir 23 (2007) 1768-1777

[CSH06]

X. Chen, M. Steinhart, C. Hess and U. Gösele
Ordered Arrays of mesoporous microrods from recyclable macroporous silicon templates
Adv. Mater. 18 (2006) 2153-2156.

[HS06]

C. Hess and R. Schlögl
The influence of water on the dispersion supported on silica SBA-15
Chem. Phys. Lett. 432 (2006) 139-145

[HWS06]

C. Hess, U. Wild and R. Schlögl
The mechanism for the controlled synthesis of highly dispersed vanadia supported on silica SBA-15
Microp. Mesop. Mater. 96 (2006) 340-350

[DSF06]

D. Habel, J.B. Stelzer, E. Feike, C. Schröder, A. Hösch, C. Hess, A. Knop-Gericke, J. Caro and H. Schubert
Phase development in the catalytic system V₂O₅/TiO₂ under oxidising conditions
J. Europ. Ceramic Soc. 26 (2006) 3287-3294

[H06]

C. Hess
Characterization of the synthesis and reactivity behavior of nanostructured vanadia model catalysts using XPS and vibrational spectroscopy
Surf. Sci. 600 (2006) 3695-3701

[HLH06

C. Hess, M.H. Looi, S.B.A. Hamid and R. Schlögl
Importance of nanostructured vanadia for selective oxidation of propane to acrylic acid
Chem. Comm. (2006) 451-453

[HPW05]

M. Hävecker, N. Pinna, K. Weiß, H. Sack-Kongehl, R.E. Jentoft, D. Wang, M. Swoboda, U. Wild, M. Niederberger, J. Urban, D.S. Su and R. Schlögl
Synthesis and functional verification of the unsupported active phase of V_xO_y catalysts for partial oxidation of n-butane
J. Catal. 236 (2005) 221-232

[HDH05]

C. Hess, Ian J. Drake, J. Hoefelmeyer, T. Don Tilley and Alex T. Bell
Partial oxidation of methanol over highly dispersed vanadia supported on silica SBA-15
Catal. Lett. 105 (2005) 1-8

Berichtszeitraum 2002/2 - 2005/1

[PAN05]

N. Pinna, M. Antonietti, M. Niederberger
A novel nonaqueous route to V₂O₃ and Nb₂O₅ nanocrystals
Colloids and Surfaces A:Physicochem. Eng. Aspects 250 (2004) 211-213

[WSS05]

M. Willinger, D.S. Su, R. Schlögl
Electronic structure of β-VOPO₄
Phys. Rev. B 71 (2005) 155118

[HKB04]

M. Hävecker, A. Knop-Gericke, H. Bluhm, E. Kleimenov, R.W. Mayer, M. Fait, and R. Schlögl
Dynamic surface behaviour of VPO catalyst under reactive and non-reactive gas compositions: an in-situ XAS study
Appl. Surf. Sci. 230 (2004) 272-282

[HMK03]

M. Hävecker, R.W. Mayer, A. Knop-Gericke, H. Bluhm, E. Kleimenov, A. Liskowski, D. S. Su, R. Follath, F. G. Requejo, D. F. Ogletree, M. Salmeron, J.A. Lopez-Sanchez, J. K. Bartley,G. J. Hutchings, and R. Schlögl
In situ investigation of the nature of the active surface of a vanadyl pyrophosphate catalyst during n-butane oxidation to maleic anhydride
J. Phys. Chem. B 107 (2003) 4587 - 4596

[PWU03]

N. Pinna, U. Wild, J. Urban, and R. Schlögl
Divanadium Pentoxide Nanorods
Adv. Mat. 15 (2003) 329 - 331

[PWW03]

N. Pinna, M. Willinger, K. Weiss, J. Urban, and R. Schlögl
Local Structure of Nanoscopic Materials: V₂O₅ Nanorods and Nanowires
Nano Letters 3 (2003) 1131 - 1134

[BHK03]

H. Bluhm, M. Hävecker, E. Kleimenov, A. Knop-Gericke, A. Liskowski, R. Schlögl, and D. S. Su
In situ surface analysis in selective oxidation catalysis: n-butane conversion over VPP
Top. Catal. 23 (2003) 99-107

[SZT03]

D.S. Su, H.W. Zandbergen, P.C. Tiemeijer, G. Kothleitner, M. Hävecker, C. Hebert, A. Knop-Gericke, B.H. Freitag, F. Hofer, and R. Schlögl
High resolution EELS using monochromator and high performance spectrometer: comparison of V₂O₅ ELNES with NEXAFS and band structure calculations
Micron 34 (2003) 235 - 238

[ASW03]

I. Ayub;D.S. Su; M: Willinger; L. Ushkalov, V. A. Zazhigalov, N. Kizillova, R. Schlögl
Tribomechanical Modification of Bi- Promoted Vanadyl phosphate Systems 1: An Improved Catalyst and Insight into Structure-Function Relationship
Physical Chemistry Chemical Physics (PCCP) 5 (2003) 970 - 978

[WPS03]

M. Willinger, N. Pinna, D. S. Su, R. Schlögl
Geometric and electronic structure of γ-V₂O₅: Comparison between α-V₂O₅ and γ-V₂O₅
Phys. Rev. B 69 (2004) 155114

[MUS02]

M. Melzer, J. Urban, H. Sack-Kongehl, K. Weiss, H.-J. Freund, R. Schlögl
Preparation of vanadium and vanadium oxide clusters by means of inert gas aggregation
Catal. Lett. 81 (2002) 219 - 221

[HKM02]

M. Hävecker, A. Knop-Gericke, R. W. Mayer, M. Fait, H. Bluhm, R. Schlögl
Influence of the geometric structure on the V L₃ near edge X-ray absorption fine structure from vanadium phosphorus oxide catalysts
J. Electron Spectrosc. Relat. Phenom. 125 (2002) 79 - 88

[SHW02]

D.S. Su, C. Hebert, M. Willinger, R. Schlögl
Anisotropy and collection-angle dependenceof the oxygen K ELNES in V₂O₅: A band-structure calculation study
Micron 34 (2003), 227 -233

[UMS02]

J. Urban, M. Melzer, H. Sack-Kongehl and K. Weiss
Vanadium oxide clusters
In: Proceedings of the 15th International Congress on Electron Microscopy, Durban, South Africa Vol. 1 (2002) 471-4 (ist referiert)

Berichtszeitraum 1999/2 - 2002/1

[S02b]

D.S. Su
Analytical TEM Characterisation of Catalytic Materials
In: Low-Dimensional Systems: Theory, Preparation, and Some Applications, NATO Science Series, II Mathematic, Physics and Chemistry 91 (2003), 241 - 252

[SS02]

D.S. Su, R. Schlögl
Thermal decompostition of divanadium pentoxide V₂O₅ in high vacuum
Catal. Lett. 83 (2002) 115 - 119

[WSB02]

M. Wieske, D.S. Su, E. Beckmann, R. Schlögl
Electron beam induced structural variations of divanadium pentoxide (V₂O₅ ) at liquid helium temperature
Catal. Lett. 81 (2002) 43 - 47

[HWS02]

C. Hébert, M. Willinger, D. S. Su, P. Pongratz, P. Schattschneider, R. Schlögl
Oxygen K-edge in vanadium oxides: simulations and experiments
European Phys. J. B 28 (2002) 407 - 414

[S02a]

D.S. Su
Electron beam induced changes in transition metal oxides
Anal. Bioanal. Chem. 374 (2002) 732 - 735

[SWB01]

D.S. Su, M. Wieske, E. Beckmann, A. Blume, G. Mestl, R. Schlögl
Electron beam induced reduction of V₂O₅ studied by analytical electron microscopy
Catal. Lett. 75 (2001) 81 - 86

[SRW01]

D.S. Su, V. Roddatis, M. Willinger, G. Weinberg, E. Kitzelmann, R. Schlögl,H. Knözinger
Tribochemical modification of the microstructure of V₂O₅
Catal. Lett. 74 (2001) 169 - 175

Poster im TP B2:

• M. Willinger, D.S. Su, C. Herbert, P. Schattschneider, R. Schlögl, Site Specific Ab-initio Calculations of the Oxygen 1s Ionisation Edge in Vanadium Pentoide
  Autumn School 2000 on Materials Science and Electron Microscopy, Berlin 2000

• D.S. Su, G. Weinberg, R. Schlögl, H. Knözinger, Morphological Characterisation of V₂O₅ Catalysts Prepared by Ball-milling
  Autumn School 2000 on Materials Science and Electron Microscopy, Berlin 2000

• M. Willinger, D.S. Su, R. Schlögl, C. Herbert, P. Schattschneider, Ab-Initio Simulation of the Oxygen 1s Ionisation Near Edge Structure in Vanadium Pentoxide
  XXXIV. Jahrestreffen Deutscher Katalytiker, Weimar 2001

• D.S. Su, V. Roddatis, G. Weiberg, E. Kitzelmann, R. Schlögl, H. Knüzinger, Strutural and Electronic Changes of Vanadium Pentoxide Catalysts Prepared by Ball-milling
  XXXIV. Jahrestreffen Deutscher Katalytiker, Weimar 2001

• D.S. Su, Electron Beam InducedChanges in Transition Metal Oxides
  11. Tagung Festkörperanalytik, Chemnitz 2001

• C. Hébert, M. Willinger, D.S. Su and R. Schlögl, ELNES of Some Vanadium Oxides: Simulations and Experiments.
  Dreiländertagungfür Elektronenmikroskopie 2001, Innsbruck 2001

• D.S. Su, E. Zeitler, R. Schlögl, Structure Changes in Transition Metal Oxides Induced During Electron Microscopy
  Microscopy & Microananlysis 2001, Lang Beach/California 2001

• D.S. Su, M. Hävecker, M. Willinger, R. Schlögl, Chemical and ElectronBeam Reductionof Vanadium Oxides Monitored by EELS and NEXAFS
  Microscopy & Microananlysis 2001, Lang Beach/California 2001