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Structure and reaction dynamics of vanadium oxide surface species supported on Ti-SBA-15

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Tzolova-Müller,  Genka
Inorganic Chemistry, Fritz Haber Institute, Max Planck Society;

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Kröhnert,  Jutta
Inorganic Chemistry, Fritz Haber Institute, Max Planck Society;

/persons/resource/persons21590

Hävecker,  Michael
Inorganic Chemistry, Fritz Haber Institute, Max Planck Society;

/persons/resource/persons21579

Grüne,  Philipp
Molecular Physics, Fritz Haber Institute, Max Planck Society;

/persons/resource/persons22251

Wolfram,  Till
Inorganic Chemistry, Fritz Haber Institute, Max Planck Society;

/persons/resource/persons22071

Schlögl,  Robert
Inorganic Chemistry, Fritz Haber Institute, Max Planck Society;

/persons/resource/persons22181

Trunschke,  Annette
Inorganic Chemistry, Fritz Haber Institute, Max Planck Society;

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Citation

Tzolova-Müller, G., Kröhnert, J., Hävecker, M., Grüne, P., Wolfram, T., Schlögl, R., et al. (2010). Structure and reaction dynamics of vanadium oxide surface species supported on Ti-SBA-15. Talk presented at Second German-Russian Seminar on Catalysis «Bridging the Gap between Model and Real Catalysis». Kloster Seon [Germany]. 2010-03-14 - 2010-03-16.


Cite as: https://hdl.handle.net/11858/00-001M-0000-0012-0889-F
Abstract
V2O5 dispersed on high surface area metal oxides, such as SiO2,
Al2O3, TiO2, or ZrO2, has been the topic of many experimental and
theoretical approaches targeted at a deeper understanding of
heterogeneous oxidation catalysis on a molecular level.1 Structure,
reactivity and stability of the active, two-dimensional vanadium
oxide surface species depend on catalyst synthesis, nature of the
support and reaction conditions. In the present work, highly
dispersed VxOy supported on mesoporous silica (SBA-15)
modified with titania has been used as a model system to
investigate the vanadia-support interaction and the effect of the
degree of aggregation of vanadium oxo-species on the reactivity in
oxidative dehydrogenation (ODH) of propane applying in-situ
spectroscopic techniques.