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Linkage-Nondestructive Surface Migration of Zeolite Microcrystals During Monolayer Assembly on Glass Through Ionic Linkages

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Abstract:

Monolayers of zeolite microcrystals were prepared on glass plates with three different types of linkage between zeolite crystals and the substrate, namely, (a) covalent, (b) ionic, and (c) poly electrolyte-mediated ionic linkages using sonication with stacking (SS) as the method. The required periods for the coverage to reach 100% were 2, 3, and 7 min, respectively, upon changing the linkage from (a) to (b) and to (c), respectively, indicating that the surface migration becomes slower as the binding strength increases. The coverage, binding strength, and degree of close packing gradually decreased with reaction time with (a) as the linkage while those with (b) and (c) as the linkages remain essentially unaltered. The results indicate that the surface migration of crystals undergo linkage-destructively when crystals were attached to the substrates through covalent linkages and linkage-nondestructively when crystals were attached to the substrates through ionic linkages.

Keywords: CHARGE SHIFT; IONIC BONDING; LINKAGE-NONDESTRUCTIVE SURFACE MIGRATION; MONOLAYER ASSEMBLY; ZEOLITE MICROCRYSTALS

Document Type: Research Article

DOI: https://doi.org/10.1166/jnn.2010.1545

Publication date: 2010-01-01

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  • Journal for Nanoscience and Nanotechnology (JNN) is an international and multidisciplinary peer-reviewed journal with a wide-ranging coverage, consolidating research activities in all areas of nanoscience and nanotechnology into a single and unique reference source. JNN is the first cross-disciplinary journal to publish original full research articles, rapid communications of important new scientific and technological findings, timely state-of-the-art reviews with author's photo and short biography, and current research news encompassing the fundamental and applied research in all disciplines of science, engineering and medicine.
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