Citation: Yan Jun GONG, Zhi Hong LI, Bao Zhong DONG. Evaluation of Average Wall Thickness of Organically Modified Mesoporous Silica[J]. Chinese Chemical Letters, ;2005, 16(1): 139-142. shu

Evaluation of Average Wall Thickness of Organically Modified Mesoporous Silica

1.
Department of Chemistry, Tai Yuan Normal College, Taiyuan 030012;
2.
Laboratory of Synchrotron Radiation, Institute of High Energy Physics, Chinese Academy of Sciences, P. O. Box 918, Beijing 100039

Received Date: 20 November 2003

The small angle X-ray scattering of organically modified MSU-X silica prepared by co-condensation of tetraethoxysilane (TEOS) and methyltriethoxysilane (MTES) show negative deviation from Debye's theory due to the existence of the organic interface layer. By exerting correction of the scattering negative deviation, Debye relation may be recovered, and the average wall thickness of the material may be evaluated.
- Organically modified mesoporous silica,
- average wall thickness,
- small angle X-ray scattering (SAXS).
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