Oxygen-17 dynamic nuclear polarisation enhanced solid-state NMR spectroscopy at 18.8 T

被引：33

作者：

Brownbill, Nick J. ^{[1
]}

Gajan, David ^{[2
]}

Lesage, Anne ^{[2
]}

Emsley, Lyndon ^{[3
]}

Blanc, Frederic ^{[1
,4
]}

机构：

[1] Univ Liverpool, Dept Chem, Crown St, Liverpool L69 7ZD, Merseyside, England

[2] UCB Lyon 1, CNRS, ENS Lyon, Inst Sci Anal,Ctr RMN Tres Hauts Champs, F-69100 Villeurbanne, France

[3] Ecole Polytech Fed Lausanne, Inst Sci & Ingn Chim, CH-1015 Lausanne, Switzerland

[4] Univ Liverpool, Stephenson Inst Renewable Energy, Crown St, Liverpool L69 7ZD, Merseyside, England

来源：

CHEMICAL COMMUNICATIONS | 2017年 / 53卷 / 17期

基金：

英国工程与自然科学研究理事会;

关键词：

ANGLE-SPINNING NMR; QUADRUPOLAR NUCLEI; NATURAL-ABUNDANCE; DNP-NMR; SENSITIVITY; RESOLUTION; TERPHENYL; CHEMISTRY; CATALYSTS; SPECTRA;

D O I：

10.1039/c6cc09743j

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

We report O-17 dynamic nuclear polarisation (DNP) enhanced solid-state NMR experiments at 18.8 T. Several formulations were investigated on the Mg(OH)(2) compound. A signal enhancement factor of 17 could be obtained when the solid particles were incorporated into a glassy o-terphenyl matrix doped with BDPA using the Overhauser polarisation transfer scheme whilst the cross effect mechanism enabled by TEKPol yielded a slightly lower enhancement but more time efficient data acquisition.

引用

页码：2563 / 2566

页数：4

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