Abstract
Polycrystalline zeolite films–of great importance in catalysis, separation, and sensing—can be grown on various substrates, but in most cases there are problems in detaching the films. It is shown that a mercury surface accelerates the nucleation and crystallization of MFI‐type zeolites and that the surface of the film against the mercury (left in Figure) is smoother than that on the solution side (right in Figure). magnified image
References
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{'key': 'e_1_2_1_20_2', 'first-page': '25', 'volume': '1', 'author': 'Nagayama K.', 'year': '1992', 'journal-title': 'Nanobiology'}
/ Nanobiology by Nagayama K. (1992)- We observed that when a platinum plate having a much bigger surface tension than mercury (namely 3747 mN/m on the (100) face at 20° C) is placed parallel to the bottom of the reaction vessel in a zeolite synthesis solution using a support zeolite films are deposited on both sides of the plate and the film formed on the reverse side of the plate is spontaneously detached when the thickness or the weight increases.
- We also observed that with the zeolite films obtained on a platinum and Teflon plate the crystals on the side touching the platinum are more densely packed than those on the side contacting with the Teflon but not as densely packed as those on the corresponding side of the film formed on a mercury surface and that they never form a flat sintered‐like united plane as that obtained on mercury.
Dates
Type | When |
---|---|
Created | 20 years, 3 months ago (May 27, 2005, 9:23 p.m.) |
Deposited | 1 year, 10 months ago (Oct. 31, 2023, 4:44 p.m.) |
Indexed | 2 months, 1 week ago (June 27, 2025, 3:45 p.m.) |
Issued | 29 years, 3 months ago (June 1, 1996) |
Published | 29 years, 3 months ago (June 1, 1996) |
Published Online | 20 years, 10 months ago (Oct. 29, 2004) |
Published Print | 29 years, 3 months ago (June 1, 1996) |
@article{Kiyozumi_1996, title={Synthesis of a zeolite film on a mercury surface}, volume={8}, ISSN={1521-4095}, url={http://dx.doi.org/10.1002/adma.19960080615}, DOI={10.1002/adma.19960080615}, number={6}, journal={Advanced Materials}, publisher={Wiley}, author={Kiyozumi, Yoshimichi and Mizukami, Fujio and Maeda, Kazuyuki and Toba, Makoto and Niwa, Shu‐ichi}, year={1996}, month=jun, pages={517–520} }