二氧化硅颗粒堆积空隙中氢气分子的核磁共振谱学特征研究
王行乐, 邵正泽, 董洪春, 魏达秀, 陈群, 姚叶锋

Studies on the 1H NMR Spectral Features of Hydrogen Molecules in the Interstices of SiO2 Particles
WANG Xingle, SHAO Zhengze, DONG Hongchun, WEI Daxiu, CHEN Qun, YAO Yefeng
图1 不同粒径二氧化硅微球样品中氢气的1H NMR谱图. (a)~(d)分别对应于粒径为100 μm、10 μm、5 μm、100 nm的二氧化硅微球中的氢气谱图;(e)平均孔径为3 nm的多孔二氧化硅样品中的氢气谱图;(f)粒径为100 μm的二氧化硅微球的扫描电镜照片
Fig. 1 1H NMR spectra of hydrogen gas in the stacking interstices of silica microsphere samples with different particle sizes: (a)~(d) correspond to the spectra of hydrogen gas in silica microspheres with particle sizes of 100 μm, 10 μm, 5 μm, and 100 nm, respectively; (e) shows the spectrum of hydrogen gas in a porous silica sample with an average pore size of 3 nm; (f) scanning electron microscope (SEM) image of silica microspheres with a diameter of 100 μm