Dynamic nuclear polarization of quadrupolar nuclei using cross polarization from protons: surface-enhanced aluminium-27 NMR

Veronika Vitzthum; Pascal Miéville; Diego Carnevale; Marc A Caporini; David Gajan; Christophe Copéret; Moreno Lelli; Alexandre Zagdoun; Aaron J Rossini; Anne Lesage; Lyndon Emsley; Geoffrey Bodenhausen

doi:10.1039/c2cc15905h

Dynamic nuclear polarization of quadrupolar nuclei using cross polarization from protons: surface-enhanced aluminium-27 NMR

Chem Commun (Camb). 2012 Feb 14;48(14):1988-90. doi: 10.1039/c2cc15905h. Epub 2012 Jan 11.

Authors

Veronika Vitzthum¹, Pascal Miéville, Diego Carnevale, Marc A Caporini, David Gajan, Christophe Copéret, Moreno Lelli, Alexandre Zagdoun, Aaron J Rossini, Anne Lesage, Lyndon Emsley, Geoffrey Bodenhausen

Affiliation

¹ Institut des Sciences et Ingénierie Chimiques, Ecole Polytechnique Fédérale de Lausanne, EPFL, Batochime, 1015 Lausanne, Switzerland.

PMID: 22237253
DOI: 10.1039/c2cc15905h

Abstract

The surface of γ-alumina nanoparticles can be characterized by dynamic nuclear polarization (DNP) surface-enhanced NMR of (27)Al. DNP is combined with cross-polarization and MQ-MAS to determine local symmetries of (27)Al sites at the surface.