Insights into the Catalytic Activity of Nitridated Fibrous Silica (KCC-1) Nanocatalysts from 15N and 29Si NMR Spectroscopy Enhanced by Dynamic Nuclear Polarization.
A. S. L. Thankamony, C. Lion, F. Pourpoint, Baljeet Singh, A. J. Perez Linde, D. Carnevale, G. Bodenhausen, H. Vezin, Olivier Lafon,* Vivek Polshettiwar*
Angew. Chem. Int. Ed. 2015, 54, in press. doi: 10.1002/anie.201406463
Abstract: 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 15N-solid-state NMR spectroscopy enhanced by dynamic nuclear polarization.
A. S. L. Thankamony, C. Lion, F. Pourpoint, Baljeet Singh, A. J. Perez Linde, D. Carnevale, G. Bodenhausen, H. Vezin, Olivier Lafon,* Vivek Polshettiwar*
Angew. Chem. Int. Ed. 2015, 54, in press. doi: 10.1002/anie.201406463
Abstract: 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 15N-solid-state NMR spectroscopy enhanced by dynamic nuclear polarization.
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