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

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

Author information

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

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.

PMID:
22237253
DOI:
10.1039/c2cc15905h

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