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固态核磁共振波谱学的最新进展。

Recent Advances in Solid-State Nuclear Magnetic Resonance Spectroscopy.

机构信息

School of Chemistry, EaStCHEM and Centre of Magnetic Resonance, University of St. Andrews, St. Andrews KY16 9ST, United Kingdom; email:

Department of Chemistry and Materials Science Institute, Lancaster University, Lancaster LA1 4YB, United Kingdom.

出版信息

Annu Rev Anal Chem (Palo Alto Calif). 2018 Jun 12;11(1):485-508. doi: 10.1146/annurev-anchem-061417-125852. Epub 2018 Jan 11.

Abstract

The sensitivity of nuclear magnetic resonance (NMR) spectroscopy to the local atomic-scale environment offers great potential for the characterization of a diverse range of solid materials. Despite offering more information than its solution-state counterpart, solid-state NMR has not yet achieved a similar level of recognition, owing to the anisotropic interactions that broaden the spectral lines and hinder the extraction of structural information. Here, we describe the methods available to improve the resolution of solid-state NMR spectra and the continuing research in this area. We also highlight areas of exciting new and future development, including recent interest in combining experiment with theoretical calculations, the rise of a range of polarization transfer techniques that provide significant sensitivity enhancements, and the progress of in situ measurements. We demonstrate the detailed information available when studying dynamic and disordered solids and discuss the future applications of solid-state NMR spectroscopy across the chemical sciences.

摘要

核磁共振(NMR)光谱对局部原子尺度环境的敏感性为广泛的固体材料的特性提供了巨大的潜力。尽管比其溶液状态的对应物提供了更多的信息,但由于各向异性相互作用会使谱线变宽并阻碍结构信息的提取,因此固态 NMR 尚未达到类似的认可水平。在这里,我们描述了可用于提高固态 NMR 光谱分辨率的方法以及该领域的持续研究。我们还强调了令人兴奋的新的和未来发展领域,包括最近对实验与理论计算相结合的兴趣,一系列提供显着灵敏度增强的极化转移技术的兴起,以及原位测量的进展。我们展示了在研究动态和无序固体时可用的详细信息,并讨论了固态 NMR 光谱在整个化学科学中的未来应用。

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