Measuring Long-Range 13C–13C Correlations on a Surface under Natural Abundance Using Dynamic Nuclear Polarization-Enhanced Solid-State Nuclear Magnetic Resonance
Author(s) -
Takeshi Kobayashi,
Igor I. Slowing,
Marek Pruski
Publication year - 2017
Publication title -
the journal of physical chemistry c
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.401
H-Index - 289
eISSN - 1932-7455
pISSN - 1932-7447
DOI - 10.1021/acs.jpcc.7b08841
Subject(s) - homonuclear molecule , natural abundance , solid state nuclear magnetic resonance , isotope , polarization (electrochemistry) , nuclear reaction , solid state , nuclear magnetic resonance , analytical chemistry (journal) , carbon 13 , molecule , chemistry , materials science , atomic physics , nuclear physics , physics , organic chemistry , chromatography
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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