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Characterization of microporous-mesoporous MCM-41 silicates prepared in the presence of octyltrimethylammonium bromide

โœ Scribed by A. Sayari; M. Kruk; M. Jaroniec


Book ID
110383664
Publisher
Springer US
Year
1997
Tongue
English
Weight
296 KB
Volume
49
Category
Article
ISSN
1011-372X

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The unit cell of the gallosilicate mesop
โœ Chi-Feng Cheng; Maria D. Alba; Jacek Klinowski ๐Ÿ“‚ Article ๐Ÿ“… 1996 ๐Ÿ› Elsevier Science ๐ŸŒ English โš– 360 KB

The unit cell parameter of [Si, Ga]-MCM-41 is much smaller than that of [Si]-MCM-41, its purely siliceous counterpart, and decreases with the increased content of structural gallium. The thickness of the channel wall falls linearly with the decreased fraction of Si at the Q4 sites. The channel diame