Dynamic nuclear polarization of quadrupolar nuclei using cross polarization from protons: surface-enhanced aluminium-27 NMR
- Vitzthum, Veronika
- Mieville, Pascal
- Carnevale, Diego
- Caporini, Marc A.
- Gajan, David
- Coperet, Christophe
- Lelli, Moreno
- Zagdoun, Alexandre
- Rossini, Aaron J.
- Lesage, Anne
- Emsley, Lyndon
- Bodenhausen, Geoffrey
DOIAbstract
The surface of gamma-alumina nanoparticles can be characterized by dynamic nuclear polarization (DNP) surface-enhanced NMR of Al-27. DNP is combined with cross-polarization and MQ-MAS to determine local symmetries of Al-27 sites at the surface
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