Measuring Long-Range 13C–13C Correlations on a Surface under Natural Abundance Using Dynamic Nuclear Polarization-Enhanced Solid-State Nuclear Magnetic Resonance

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2017-10-13
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Kobayashi, Takeshi
Slowing, Igor
Pruski, Marek
Slowing, Igor
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Altmetrics
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Ames Laboratory
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Chemistry
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Ames LaboratoryChemistry
Abstract

We report that spatial (<1 >nm) proximity between different molecules in solid bulk materials and, for the first time, different moieties on the surface of a catalyst, can be established without isotope enrichment by means of homonuclear CHHC solid-state nuclear magnetic resonance experiment. This 13C–13C correlation measurement, which hitherto was not possible for natural-abundance solids, was enabled by the use of dynamic nuclear polarization. Importantly, it allows the study of long-range correlations in a variety of materials with high resolution.

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