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The Structure of the Peroxo Species in the TS-1 Catalyst as Investigated by Resonant Raman Spectroscopy

Authors

  • Silvia Bordiga Prof. Dr.,

    1. Dipartimento di Chimica IFM and INSTM Research Unit, Turin University Via P. Giuria 7, 10125 Torino, Italy, Fax: (+39) 011-670-7855
    2. also with INFM UdR di Torino Università, Italy
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  • Alessandro Damin,

    1. Dipartimento di Chimica IFM and INSTM Research Unit, Turin University Via P. Giuria 7, 10125 Torino, Italy, Fax: (+39) 011-670-7855
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  • Francesca Bonino,

    1. Dipartimento di Chimica IFM and INSTM Research Unit, Turin University Via P. Giuria 7, 10125 Torino, Italy, Fax: (+39) 011-670-7855
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  • Gabriele Ricchiardi Dr.,

    1. Dipartimento di Chimica IFM and INSTM Research Unit, Turin University Via P. Giuria 7, 10125 Torino, Italy, Fax: (+39) 011-670-7855
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  • Carlo Lamberti Dr.,

    1. Dipartimento di Chimica IFM and INSTM Research Unit, Turin University Via P. Giuria 7, 10125 Torino, Italy, Fax: (+39) 011-670-7855
    2. also with INFM UdR di Torino Università, Italy
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  • Adriano Zecchina Prof. Dr.

    1. Dipartimento di Chimica IFM and INSTM Research Unit, Turin University Via P. Giuria 7, 10125 Torino, Italy, Fax: (+39) 011-670-7855
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  • This project has been supported by MURST (Cofin 2000, Area 03): “Structure and reactivity of catalytic centers in zeolitic materials”. We are indebted to R. Tagliapietra, M. Ricci, F. Rivetti, and G. Spanò for fruitful discussions.

Abstract

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Die charakteristische gelbe Farbe des TS-1/H2O2/H2O-Systems wird einer Side-on-Ti-Peroxo-Spezies als der aktiven Zwischenstufe bei Partialoxidationen zugeschrieben. Die Resonanz-Raman-spektroskopische Analyse des Zeoliths und eines Modellsalzes ((NH4+)3(TiO2F5)3−, siehe Bild) in Kombination mit der Analyse eines Ti-freien Silicalits belegen die Struktur dieser bislang unbekannten Spezies.

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