Journal ArticleDOI
Characterization of chromium oxide supported on Al2O3, ZrO2, TiO2, and SiO2 under dehydrated conditions
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TLDR
In this article, Raman and IR spectroscopy were used to study the surface structures of chromium oxide supported on alumina, titania, zirconia, and silica, as a function of the loading under dehydrated conditions.About:
This article is published in Journal of Molecular Catalysis.The article was published on 1993-03-19. It has received 148 citations till now. The article focuses on the topics: Chromium & Infrared spectroscopy.read more
Citations
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Surface Chemistry and Spectroscopy of Chromium in Inorganic Oxides.
TL;DR: This work focuses on the surface chemistry and spectroscopy of chromium in inorganic oxides and the mechanics of hydrogenation-dehydrogenation reactions.
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Reactivity of Surface Species in Heterogeneous Catalysts Probed by In Situ X-ray Absorption Techniques
TL;DR: (Article begins on next page)
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The structure of active centers and the ethylene polymerization mechanism on the Cr/SiO2 catalyst: a frontier for the characterization methods.
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Alkane dehydrogenation over supported chromium oxide catalysts
TL;DR: In this article, a critical overview of the current knowledge available about chromium-based dehydrogenation catalysts, in particularly the industrially used Cr/Al2O3 catalysts is given.
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In Situ Spectroscopic Investigation of the Molecular and Electronic Structures of SiO2 Supported Surface Metal Oxides
TL;DR: In this article, the molecular and electronic structures of the dehydrated supported metal oxides and the SiO2 support were determined by combined in situ Raman, IR, and UV−vis spectroscopy under dehydrated conditions.
References
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Journal ArticleDOI
FT-IR characterization of the surface acidity of different titanium dioxide anatase preparations
TL;DR: In this article, the surface chemistry of anatase, in particular acidity, greatly depends on the preparation of the sample, both through the resulting morphology and the presence of surface impurities.
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In Situ Raman Spectroscopy of Alumina-Supported Metal Oxide Catalysts
TL;DR: In this paper, the molecular structures of the surface overlayerers of rhenium(VII) oxide, molybdenum(VI) oxide and titanium(IV) oxide on γ-alumina were determined by in situ Raman spectroscopy under dehydrated conditions.
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Predicting molecular structures of surface metal oxide species on oxide supports under ambient conditions
Goutam Deo,Israel E. Wachs +1 more
TL;DR: In this article, the molecular structures of the two-dimensional vanadium oxide overlayers on different oxide supports (MgO, Al 2 O 3, ZrO 2, TiO 2 and SiO 2 ) were determined with Raman spectroscopy under ambient conditions.
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Infrared spectra of surface hydroxyl groups and crystalline structure of oxides
A. A. Tsyganenko,V. N. Filimonov +1 more
TL;DR: In this paper, an interpretation of the infrared spectra of surface hydroxyl groups based on crystal structure considerations has been suggested for a large number of oxides, which can be used for the interpretation of spectra for some other functional groups.
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Raman spectroscopy of chromium oxide supported on Al2O3, TiO2 and SiO2: a comparative study
TL;DR: In this article, the interaction of chromium oxide with Al2O3, TiO2 and SiO2 supports was investigated with Raman spectroscopy and the influence of the nature of the oxide support, calcination temperature and chromium oxides loading upon the molecular state of the supported chromium dioxide was determined.