光谱学
核磁共振波谱
电子顺磁共振
纳米颗粒
氧化物
魔角纺纱
固态核磁共振
纳米材料
材料科学
金属
表征(材料科学)
分子
化学
纳米技术
核磁共振
有机化学
物理
冶金
量子力学
作者
Martin Hartmann,Yamini S. Avadhut
标识
DOI:10.1002/9781119436782.ch14
摘要
This chapter provides the basics of nuclear magnetic resonance (NMR) and electron paramagnetic resonance (EPR) spectroscopy by the discussion of selected examples demonstrating the potential and limitations of using both techniques in the characterization of metal oxide nanoparticles. It focuses on the (rare) examples directly probing the metal sites in metal oxide nanoparticles. Solid-state magic angle spinning NMR spectroscopy plays a key role in the characterization of various metal oxide nanomaterials because it provides direct information about the structure, relative concentration, location, and reactivity of organic or inorganic molecules adsorbed on the surface of the nanoparticles. Solid state NMR spectroscopy often focuses at first at easy to measure nuclei such as 1 H, 13 C, and 31 P. The few examples discussed clearly demonstrate that EPR spectroscopy is a valuable tool for the study of metal oxide nanoparticles in particular with respect to the creation of defect centers.
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