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 |