Direct 17O Dynamic Nuclear Polarization of Single-Site Heterogeneous Catalysts

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Date
2018-01-01
Authors
Perras, Frederic
Boteju, Kasuni
Slowing, Igor
Sadow, Aaron
Pruski, Marek
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Ames National LaboratoryChemistry
Abstract

We utilize direct 17O DNP for the characterization of non-protonated oxygens in heterogeneous catalysts. The optimal sample preparation and population transfer approach for 17O direct DNP experiments performed on silica surfaces are determined and applied to the characterization of Zr- and Y-based mesoporous silica-supported single-site catalysts.

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