Experimental Assessment of the Structural Parameters of Highly Porous Silica: Probe Microscopy Data

E. A. Sosnov; T. S. Trubina; D. A. Kurdyukov; A. A. Malygin

doi:10.1134/S1087659619050122

Experimental Assessment of the Structural Parameters of Highly Porous Silica: Probe Microscopy Data

作者: Sosnov E.A.¹, Trubina T.S.¹, Kurdyukov D.A.², Malygin A.A.¹
隶属关系:
1. St. Petersburg State Institute of Technology
2. Ioffe Physical-Technical Institute, Russian Academy of Sciences
期: 卷 45, 编号 5 (2019)
页面: 365-371
栏目: Article
URL: https://journals.rcsi.science/1087-6596/article/view/217314
DOI: https://doi.org/10.1134/S1087659619050122
ID: 217314

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The morphology of monodisperse spherical mesoporous silica particles with a regular pore structure is studied with atomic force microscopy. The size of nanotubes is found: the internal diameter is 2.6 nm, the external diameter is 4.8 nm, and the wall thickness is 1.1 nm. A method for assessing the strength parameters of highly porous materials is proposed. The calculated Young’s modulus of a nanotube along its axis is 91.7 GPa.