Issue 20, 2000
From the journal:

Physical Chemistry Chemical Physics

EPR of trans-stilbene radical cations formed in zeolite cavities: a new approach to study the zeolite void space

Marco Bonora,a   Marina Brustolon,a   Loretta Storaro,b   Manuela Casagrande,b   Daniele Biglino,c   Yoshiteru Itagaki,d   Ulderico Segree  and  Maurizio Lenarda*b  

* Corresponding authors

a Dipartimento di Chimica Fisica, Uniersità di Padoa, Via Loredan 2, Padoa, Italy
E-mail: brustolon@pdchfi.chfi.unipd.it

b Dipartimento di Chimica, Uniersità Ca'Foscari di Venezia, Calle Larga S. Marta 2137, Venezia, Italy
E-mail: lenarda@unive.it

c Department of Chemical Physics, IFM, Uniersity of Linköping, Linköping, Sweden

d Faculty of Engineering, Department of Applied Chemistry, Hiroshima Uniersity, Higashi-Hiroshima, Japan

e Dipartimento di Chimica, Uniersità di Modena, Via Campi 183, Modena, Italy

Abstract

trans-Stilbene was adsorbed in the cavities of H-ZSM-5, H-MOR and H-BEA zeolites, originating monomeric and dimeric radical cations that were studied by EPR spectroscopy. The H-BEA samples were pretreated at three progressively higher temperatures. Simulation of the spectra allowed the evaluation of the relative amounts of monomers and dimers. The nature, quantity and relative amount of monomeric and dimeric radical species were correlated to chemical and dimensional modifications of zeolite channels caused by the dealumination of the zeolite structure and extra-framework aluminium species formation.

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Article information

DOI
https://doi.org/10.1039/B005197G
Article type
Paper
Submitted
28 Jun 2000
Accepted
31 Aug 2000
First published
03 Oct 2000

Phys. Chem. Chem. Phys., 2000,2, 4823-4828

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EPR of trans-stilbene radical cations formed in zeolite cavities: a new approach to study the zeolite void space

M. Bonora, M. Brustolon, L. Storaro, M. Casagrande, D. Biglino, Y. Itagaki, U. Segre and M. Lenarda, Phys. Chem. Chem. Phys., 2000, 2, 4823 DOI: 10.1039/B005197G

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