Please use this identifier to cite or link to this item: https://doi.org/10.1016/S0167-577X(99)00167-6
Title: Improvement of the hydrothermal stability of fluorinated MCM-41 material
Authors: Xia, Q.-H. 
Hidajat, K. 
Kawi, S. 
Issue Date: Jan-2000
Source: Xia, Q.-H., Hidajat, K., Kawi, S. (2000-01). Improvement of the hydrothermal stability of fluorinated MCM-41 material. Materials Letters 42 (1) : 102-107. ScholarBank@NUS Repository. https://doi.org/10.1016/S0167-577X(99)00167-6
Abstract: The formation of regular hexagonal MCM-41 framework was studied using cetyltrimethyl ammonium bromide (CTMABr) as the surfactant template and aerosil-200 powder silica as the silica source under static condition in the presence of fluoride or chloride anions. The hydrothermal stability of MCM-41 framework synthesized in the presence of fluoride anions was found to be remarkably improved as compared with those synthesized in the presence of chloride anions. The improvement of the hydrothermal stability of MCM-41 material is most likely attributed to the formation of Si-F bonds on the surface of the mesopores of MCM-41, leading to the natural resistance of the fluorinated surface to the hydrolysis by water molecules.
Source Title: Materials Letters
URI: http://scholarbank.nus.edu.sg/handle/10635/66622
ISSN: 0167577X
DOI: 10.1016/S0167-577X(99)00167-6
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