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

Robert L. Johnson | Zendy; Frédéric A. Perras | Zendy; Takeshi Kobayashi | Zendy; Thomas J. Schwartz | Zendy; James A. Dumesic | Zendy; Brent H. Shanks | Zendy; Marek Pruski | Zendy

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

Author(s) -

Robert L. Johnson,

Frédéric A. Perras,

Takeshi Kobayashi,

Thomas J. Schwartz,

James A. Dumesic,

Brent H. Shanks,

Marek Pruski

Publication year - 2015

Publication title -

chemical communications

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.837

H-Index - 333

eISSN - 1364-548X

pISSN - 1359-7345

DOI - 10.1039/c5cc06788j

Subject(s) - catalysis , nanoparticle , adsorption , noble metal , molecule , metal , degradation (telecommunications) , materials science , nuclear magnetic resonance spectroscopy , spectroscopy , chemical engineering , chemistry , photochemistry , nanotechnology , organic chemistry , engineering , telecommunications , physics , quantum mechanics , computer science

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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