Identifying low-coverage surface species on supported noble metal nanoparticle catalysts by DNP-NMR.

Chem Commun (Camb)

US DOE, Ames Laboratory, Ames, IA 50011-3020, USA and Department of Chemistry, Iowa State University, Ames, IA 50011-3020, USA.

Published: January 2016

DNP-NMR spectroscopy has been applied to enhance the signal for organic molecules adsorbed on γ-Al2O3-supported Pd nanoparticle catalysts. By offering >2500-fold time savings, the technique enabled the observation of (13)C-(13)C cross-peaks for low coverage species, which were assigned to products from oxidative degradation of methionine adsorbed on the nanoparticle surface.

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Source
http://dx.doi.org/10.1039/c5cc06788jDOI Listing

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