Signal enhancement of J-HMQC experiments in solid-state NMR involving half-integer quadrupolar nuclei

Qiang Wang; Julien Trébosc; Yixuan Li; Jun Xu; Bingwen Hu; Ningdong Feng; Qun Chen; Oliver Lafon; Jean-Paul Amoureux; Feng Deng

doi:10.1039/C3CC42961J

Signal enhancement of J-HMQC experiments in solid-state NMR involving half-integer quadrupolar nuclei†

Qiang Wang,‡^a Julien Trébosc,‡^b Yixuan Li,^abc Jun Xu,^a Bingwen Hu,^c Ningdong Feng,^a Qun Chen,^c Oliver Lafon,^b Jean-Paul Amoureux^b and Feng Deng*^a

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* Corresponding authors

^a State Key Laboratory of Magnetic Resonance and Atomic and Molecular Physics, Wuhan Center for Magnetic Resonance, Wuhan Institute of Physics and Mathematics, Chinese Academy of Sciences, Wuhan 430071, China
E-mail: dengf@wipm.ac.cn

^b Unit of Catalysis and Chemistry of Solids (UCCS), CNRS-8181, University Lille North of France, 59652 Villeneuve d'Ascq, France

^c Physics Department and Shanghai Key Laboratory of Magnetic Resonance, East China Normal University, Shanghai 200062, China

Abstract

We show that for half-integer quadrupolar nuclei, the manipulation of the satellite transitions can accelerate and enhance coherence transfer to other isotopes. This novel strategy is demonstrated to improve the sensitivity of ³¹P-{²⁷Al} J-HMQC experiments for a layered aluminophosphate Mu-4.

Chemical Communications

Signal enhancement of J-HMQC experiments in solid-state NMR involving half-integer quadrupolar nuclei†

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Signal enhancement of J-HMQC experiments in solid-state NMR involving half-integer quadrupolar nuclei

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