波谱学杂志2016，Vol.33Issue(3)：361-367,7.DOI:10.11938/cjmr20160301
SHA+脉冲序列用于g-C3N4样品15N-15N相关性的固体核磁共振研究
Probing15N-15N Correlations in g-C3N4 Samples with Solid-State NMR SHA+ Pulse Sequence
摘要
Abstract
The performance of solid-state NMR proton-driven spin-diffusion (PDSD) and second-order Hamiltonian among analogous nuclei plus (SHA+) sequences for probing15N-15N through-space correlations in15N-labelled g-C3N4 samples were compared at high magnetic fields with moderate magic angle spinning (MAS) frequencies. It was found that, relative to the PDSD sequence, the SHA+ sequence is more efficient in terms of yielding polarization transfer between the15N atoms as long as one of the nitrogen atoms bonds to protons. The results are useful in guiding the choice of solid-state nuclear magnetic resonance (SS-NMR) sequences for studying nitrogen-doped carbon-based materials.关键词
固体核磁共振(SS-NMR)/同核相关/长程相关/SHA+Key words
solid-state nuclear magnetic resonance (SS-NMR)/homo-nuclear correlation/long-range correlation/SHA+分类
数理科学引用本文复制引用
闫晓静,胡炳文..SHA+脉冲序列用于g-C3N4样品15N-15N相关性的固体核磁共振研究[J].波谱学杂志,2016,33(3):361-367,7.基金项目
Large Instruments Open Foundation of East China Normal University, National Natural Science Foundation of China (21373086), National Science Fund of China for Excellent Young Scholars (21522303), Basic Research Project of Shanghai Science and Technology Committee (14JC1491000) （21373086）
