Organic-functionalized sodalite nanocrystals and their dispersion in solvents

D. Li; J. Yao; H. Wang; N. Hao; D. Zhao; K.R. Ratinac; S.P. Ringer

doi:10.1016/j.micromeso.2007.03.006

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Organic-functionalized sodalite nanocrystals and their dispersion in solvents

Journal article

Peer reviewed

Organic-functionalized sodalite nanocrystals and their dispersion in solvents

D. Li, J. Yao, H. Wang, N. Hao, D. Zhao, K.R. Ratinac and S.P. Ringer

Microporous and Mesoporous Materials, Vol.106(1-3), pp.262-267

2007

DOI: https://doi.org/10.1016/j.micromeso.2007.03.006

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Abstract

Hydroxy-sodalite nanocrystals with organic functional groups (i.e., double bond; length as m-dashSi–(CH3)(CH2)3NH2, denoted Sod-N, or triple bond; length of mdashSi–CH3, denoted Sod-C) were synthesized by the direct transformation of organic-functionalized silicalite nanocrystals. The chemical structure of organic-functionalized sodalite nanocrystals was confirmed by 29Si MAS NMR spectroscopy. Gas sorption results showed that the sodalite nanocrystals contained uniform pore channels that were accessible to hydrogen, but inaccessible to nitrogen, as expected. The BET surface areas are calculated to be 22.8, 19.6 and 19.1 m2/g for plain sodalite nanocrystals (Sod), Sod-N, and Sod-C, respectively; similarly, Sod-N and Sod-C exhibited slightly lower hydrogen adsorption than Sod. The dispersion of Sod-N and Sod-C in organic solvents was favored by the presence of organic functional groups. Therefore, the organic-functionalized sodalite nanocrystals prepared in this work may be very useful for fabricating zeolite nanostructures and sodalite-polymer nanocomposite membranes.

Details

Title: Organic-functionalized sodalite nanocrystals and their dispersion in solvents
Authors/Creators: D. Li (Author/Creator) - Monash University
J. Yao (Author/Creator) - Monash University
H. Wang (Author/Creator) - Monash University
N. Hao (Author/Creator) - Monash University
D. Zhao (Author/Creator) - Monash University
K.R. Ratinac (Author/Creator) - The University of Sydney
S.P. Ringer (Author/Creator) - The University of Sydney
Publication Details: Microporous and Mesoporous Materials, Vol.106(1-3), pp.262-267
Publisher: Elsevier
Identifiers: 991005542010407891
Murdoch Affiliation: Murdoch University
Language: English
Resource Type: Journal article

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Collaboration types: Domestic collaboration
Citation topics: 2 Chemistry; 2.41 Catalysts; 2.41.144 Zeolite Catalysis
Web Of Science research areas: Chemistry, Applied; Chemistry, Physical; Materials Science, Multidisciplinary; Nanoscience & Nanotechnology
ESI research areas: Materials Science