Effect of interconnected molecular types on the packing rate of self-assembled monolayers of TMA-A zeolite nanocrystals on glass
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Well-shaped high quality TMA-A zeolite nanocrystals were synthesized in a mother solution with a composition of Al(i-pro)3: 2.2 TEOS : 2.4 TMAOH : 0.3 NaOH : 200H2O at 90 oC for 3 days using a hydrothermal method and self-assembled monolayers coated on glass substrates by different types of covalent linkages. The average size of the zeolites used was 60~100 nm with an average lattice constant of 24.61 Å. The self-assembled monolayers of zeolite oriented with faces parallel to the glass substrates showed only planes of the forms {h 0 0} with interconnected molecules. Scanning electron microscopy (SEM) and X-ray powder diffraction (XRD) were used to characterize the synthesized crystals and self-assembly monolayers of TMA-A zeolite with the surface-bound functional groups.
Abstract
Well-shaped high quality TMA-A zeolite nanocrystals were synthesized in a mother solution with a composition of Al(i-pro)3: 2.2 TEOS : 2.4 TMAOH : 0.3 NaOH : 200H2O at 90 oC for 3 days using a hydrothermal method and self-assembled monolayers coated on glass substrates by different types of covalent linkages. The average size of the zeolites used was 60~100 nm with an average lattice constant of 24.61 Å. The self-assembled monolayers of zeolite oriented with faces parallel to the glass substrates showed only planes of the forms {h 0 0} with interconnected molecules. Scanning electron microscopy (SEM) and X-ray powder diffraction (XRD) were used to characterize the synthesized crystals and self-assembly monolayers of TMA-A zeolite with the surface-bound functional groups.
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