Journal
THIN SOLID FILMS
Volume 515, Issue 4, Pages 2049-2054Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/j.tsf.2006.04.048
Keywords
self-assembly; gold nanoparticles; crown ether; interface; nanocomposites
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Self-assembly of gold nanoparticles with crown ether derivatives at the liquid/liquid interface in the form of a stable nanocomposite film is reported. The metallic luster results from the electronic coupling of nanoparticles, suggesting the formation of closely-packed nanoparticle thin films. The interfacial film could be transferred to mica substrates and carbon-coated transmission electron microscopy (TEM) grids. The transferred films were very stable for prolonged time. The samples were characterized by UV-vis and IR spectroscopies, TEM, and thermogravimetric analysis. All the experimental results indicate the formation of nanoparticles monolayers at water/oil interfaces. (c) 2006 Elsevier B.V. All rights reserved.
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