Please use this identifier to cite or link to this item: https://doi.org/10.1016/j.jcis.2009.01.011
Title: Dendrimer-encapsulated Pt nanoparticles in supercritical medium: Synthesis, characterization, and application to device fabrication
Authors: Puniredd, S.R.
Yin, C.M.
Hooi, Y.S.
Lee, P.S.
Srinivasan, M.P. 
Keywords: Covalent molecular assembly of ultrathin films and MIS device
Dendrimer
Pt nanoparticles
Supercritical carbon dioxide
Issue Date: 15-Apr-2009
Citation: Puniredd, S.R., Yin, C.M., Hooi, Y.S., Lee, P.S., Srinivasan, M.P. (2009-04-15). Dendrimer-encapsulated Pt nanoparticles in supercritical medium: Synthesis, characterization, and application to device fabrication. Journal of Colloid and Interface Science 332 (2) : 505-510. ScholarBank@NUS Repository. https://doi.org/10.1016/j.jcis.2009.01.011
Abstract: In this work we describe a general method for formation of Pt nanoparticles within an ultrathin film matrix and its application for non-volatile memory (NVM). Our approach involves the formation of Pt nanoparticles within ultrathin film matrix formed by covalent layer-by-layer (LbL) assembly of pyromellitic dianhydride (PMDA) and second generation of polyamidoamine (PAMAM) dendrimer in supercritical carbon dioxide (SCCO2). The hyperbranched component in the film structure serves to confine nanoparticle size and improve distribution. The memory effect and retention capability is demonstrated by means of a metal-insulator semiconductor (MIS) device fabricated using the nanoparticle-laden thin film as the insulating layer. © 2009 Elsevier Inc. All rights reserved.
Source Title: Journal of Colloid and Interface Science
URI: http://scholarbank.nus.edu.sg/handle/10635/88737
ISSN: 00219797
DOI: 10.1016/j.jcis.2009.01.011
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