CRYSTAL MORPHOLOGY SUPPORTS THE LIQUID-CRYSTAL FORMATION MECHANISM FOR THE MESOPOROUS MOLECULAR-SIEVE MCM-41

C F CHENG, H Y HE, W Z ZHOU, J KLINOWSKI

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40 Citations (Scopus)

Abstract

Transmission electron microscopy of purely siliceous and gallosilicate mesoporous molecular sieves MCM-41 shows that the neighbouring crystal edges meet at the angle of 120 degrees, thus suggesting the most likely mechanism of crystal growth. The morphology of MCM-41 alone strongly supports the liquid crystal mechanism initiated by the silicate anions, and not the mechanism involving a layered intermediate.

Original languageEnglish
Pages (from-to)117-120
Number of pages4
JournalChemical Physics Letters
Volume244
Issue number1-2
Publication statusPublished - 29 Sept 1995

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