Continuous flow hyperpolarized 129Xe-MAS NMR studies of microporous materials

Andrei Nossov; Flavien Guenneau; Marie-Anne Springuel-Huet; Elias Haddad; Valérie Montouillout; Benno Knott; Frank Engelke; Christian Fernandez; Antoine Gédéon

doi:10.1039/B305793N

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Continuous flow hyperpolarized ¹²⁹Xe-MAS NMR studies of microporous materials†

Andrei Nossov,^a Flavien Guenneau,^a Marie-Anne Springuel-Huet,^a Elias Haddad,^a Valérie Montouillout,^b Benno Knott,^c Frank Engelke,^c Christian Fernandez*^b and Antoine Gédéon*^a

Author affiliations

* Corresponding authors

^a Laboratoire Systèmes Interfaciaux à l'Echelle Nanométrique, CNRS/Université Pierre et Marie Curie, 4, place jussieu, Paris Cedex 5, France
E-mail: ag@ccr.jussieu.fr

^b Laboratoire Catalyse et Spectrochimie, CNRS/ENSICAEN, 6 bd du Maréchal Juin, Caen Cedex, France
E-mail: christian.fernandez@ismra.fr

^c Bruker Elektronik GmbH, Silberstreifen, Rheinstetten, Germany

Abstract

A magic angle spinning (MAS) NMR probe has been developed to allow in situ measurements of NMR spectra. Two applications are targeted with this device: i) in situ and operando MAS NMR spectroscopy of working catalysts and ii) the hyperpolarized (HP) ¹²⁹Xe spectroscopy of porous materials under MAS and continuous flow conditions. The construction of the MAS probe is described and the usefulness of this system is demonstrated by studying the adsorption of hyperpolarized xenon on AlPO-41 and ITQ-6 zeolites. The high stability of the HP xenon flow allowed us to perform two-dimensional exchange experiments under MAS conditions, in a short time and with very good resolution.

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Article information

DOI: https://doi.org/10.1039/B305793N
Article type: Paper
Submitted: 22 May 2003
Accepted: 09 Jul 2003
First published: 05 Aug 2003

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Phys. Chem. Chem. Phys., 2003,5, 4479-4483

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Continuous flow hyperpolarized ¹²⁹Xe-MAS NMR studies of microporous materials

A. Nossov, F. Guenneau, M. Springuel-Huet, E. Haddad, V. Montouillout, B. Knott, F. Engelke, C. Fernandez and A. Gédéon, Phys. Chem. Chem. Phys., 2003, 5, 4479 DOI: 10.1039/B305793N

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