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Insights into the Catalytic Activity of Nitridated Fibrous Silica (KCC‐1) Nanocatalysts from 15 N and 29 Si NMR Spectroscopy Enhanced by Dynamic Nuclear Polarization
Author(s) -
Lilly Thankamony Aany Sofia,
Lion Cédric,
Pourpoint Frédérique,
Singh Baljeet,
Perez Linde Angel J.,
Carnevale Diego,
Bodenhausen Geoffrey,
Vezin Hervé,
Lafon Olivier,
Polshettiwar Vivek
Publication year - 2015
Publication title -
angewandte chemie
Language(s) - English
Resource type - Journals
eISSN - 1521-3757
pISSN - 0044-8249
DOI - 10.1002/ange.201406463
Subject(s) - nanomaterial based catalyst , catalysis , nuclear magnetic resonance spectroscopy , spectroscopy , counterintuitive , polarization (electrochemistry) , solid state nuclear magnetic resonance , chemistry , materials science , solid state , analytical chemistry (journal) , nuclear magnetic resonance , stereochemistry , organic chemistry , physics , quantum mechanics
Fibrous nanosilica (KCC‐1) oxynitrides are promising solid‐base catalysts. Paradoxically, when their nitrogen content increases, their catalytic activity decreases. This counterintuitive observation is explained here for the first time using 15 N‐solid‐state NMR spectroscopy enhanced by dynamic nuclear polarization.