FTIR investigation into transition metal disilicides as catalysts for tert-butyl hydroperoxide decomposition

Disilicides of molybdenum, tungsten, tantalum, and titanium were studied using FTIR spectroscopy to establish the origin of their different catalytic activities in the decomposition of tert -butyl hydroperoxide. The FTIR spectra of the metal disilicides before and after the decomposition reaction sh...

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Bibliographic Details
Published in:Transition metal chemistry (Weinheim) 2010-04, Vol.35 (3), p.345-348
Main Authors: Trach, Yuriy, Makota, Oksana, Skubiszewska-Zięba, Jadwiga, Borowiecki, Tadeusz, Leboda, Roman
Format: Article
Language:English
Subjects:
Catalysis
Chemistry
Chemistry and Materials Science
Inorganic Chemistry
Organometallic Chemistry
Physical Chemistry
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Summary:Disilicides of molybdenum, tungsten, tantalum, and titanium were studied using FTIR spectroscopy to establish the origin of their different catalytic activities in the decomposition of tert -butyl hydroperoxide. The FTIR spectra of the metal disilicides before and after the decomposition reaction show that their different catalytic activities are caused not only by the nature of the transition metal, but also by different abilities of their surfaces to adsorb water. The increase in the catalyst’s ability to adsorb water leads to a decrease in catalyst activity.
ISSN:0340-4285
1572-901X
DOI:10.1007/s11243-010-9333-6