Please use this identifier to cite or link to this item: https://doi.org/10.1016/j.jcis.2008.10.084
Title: Covalent molecular assembly in supercritical carbon dioxide: Formation of nanoparticles in immobilized dendrimers within a porous silica gel matrix
Authors: Puniredd, S.R.
Nguan, B.C.C.
Srinivasan, M.P. 
Keywords: Covalent molecular assembly
Dendrimer
Pd
Pt and Pd/Pt nanoparticles
Supercritical carbon dioxide
Ultrathin films
Issue Date: 15-May-2009
Citation: Puniredd, S.R., Nguan, B.C.C., Srinivasan, M.P. (2009-05-15). Covalent molecular assembly in supercritical carbon dioxide: Formation of nanoparticles in immobilized dendrimers within a porous silica gel matrix. Journal of Colloid and Interface Science 333 (2) : 679-683. ScholarBank@NUS Repository. https://doi.org/10.1016/j.jcis.2008.10.084
Abstract: We report the formation of Pd, Pt and Pd/Pt nanoparticles in dendrimer-laden assemblies immobilized within a silica gel matrix and constructed by covalent layer-by-layer (LbL) assembly using supercritical carbon dioxide (SCCO2) as the processing medium. We show that the dendrimer plays a critical role in retaining the nanoparticle precursor within the silica gel. Smaller particle size, higher yield, a denser distribution of nanoparticles and greater stability were observed when the structures were assembled in SCCO2. © 2008 Elsevier Inc. All rights reserved.
Source Title: Journal of Colloid and Interface Science
URI: http://scholarbank.nus.edu.sg/handle/10635/88715
ISSN: 00219797
DOI: 10.1016/j.jcis.2008.10.084
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