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

Authors
윤경병이진석
Issue Date
Jan-2010
Publisher
AMER SCIENTIFIC PUBLISHERS
Citation
JOURNAL OF NANOSCIENCE AND NANOTECHNOLOGY, v.10, no.1, pp 191 - 194
Pages
4
Journal Title
JOURNAL OF NANOSCIENCE AND NANOTECHNOLOGY
Volume
10
Number
1
Start Page
191
End Page
194
URI
https://scholarworks.sookmyung.ac.kr/handle/2020.sw.sookmyung/13294
DOI
10.1166/jnn.2010.1545
ISSN
1533-4880
1533-4899
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.
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