Direct 17O dynamic nuclear polarization of single-site heterogeneous catalysts†,Chemical Communications

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Direct 17O dynamic nuclear polarization of single-site heterogeneous catalysts†
Chemical Communications ( IF 4.9 ) Pub Date : 2018-03-13 00:00:00 , DOI: 10.1039/c8cc00293b
Frédéric A. Perras _{1,

2,

3,

4} , Kasuni C. Boteju _{1,

2,

3,

4,

5} , Igor I. Slowing _{1,

2,

3,

4,

5} , Aaron D. Sadow _{1,

2,

3,

4,

5} , Marek Pruski _{1,

2,

3,

4,

5}

Affiliation

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 is determined and applied to the characterization of Zr- and Y-based mesoporous silica-supported single-site catalysts.

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