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Title: Dendrimer-encapsulated Pt nanoparticles in supercritical medium : synthesis, characterization, and application to device fabrication
Authors: Srinivasan, M. P.
Puniredd, Sreenivasa Reddy
Yin, Chan Mei
Hooi, Yeong Sai
Lee, Pooi See
Keywords: DRNTU::Science::Physics::Nuclear and particle physics
Issue Date: 2009
Source: Puniredd, S. R., Yin, C. M., Hooi, Y. S., Lee, P. S., & Srinivasan, M. P. (2009). Dendrimer-encapsulated Pt nanoparticles in supercritical medium: Synthesis, characterization, and application to device fabrication. Journal of Colloid and Interface Science, 332(2), 505-510.
Series/Report no.: Journal of colloid and interface science
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.
ISSN: 0021-9797
DOI: 10.1016/j.jcis.2009.01.011
Rights: © 2009 Elsevier Inc.
Fulltext Permission: none
Fulltext Availability: No Fulltext
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