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Polymer/Metal Nanocomposites: Assembly of Metal Nanoparticles in Polymer Films and their Applications

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We have developed a simple dry process to assemble metal nanoparticles in polymer films in two- and three- dimensions in multi-length scales. The vapor of bis(acetylacetonato)palladium(II) (Pd(acac)2) is reduced by polymers without additional reducing agents in N2 atmosphere at 180°C, and Pd metal nanoparticles are produced in the polymer films with excellent size uniformity and stabilization. We showed the self-assembly of Pd nanoparticles into selective nanodomains in block copolymer (BC) films to provide three-dimensional layer-by-layer arrangements and hexagonally arranged spherical nanodomains. In addition to this “bottom-up” approach for the construction of well-ordered polymer/metal nanocomposites, we have also developed a “top-down” approach that enables the assembly of Pd nanoparticles by UV photolithography. Properties of polymer/metal nanocomposites thus prepared have potentials for functional materials and fabrications of nanodevices by ensemble of unique properties of metal nanoparticles and polymers.

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Keywords: Metal nanoparticle; block copolymer; electroless plating; nanocomposite; photolithography

Document Type: Research Article

Publication date: 01 August 2007

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  • Current Nanoscience publishes authoritative reviews and original research reports, written by experts in the field on all the most recent advances in nanoscience and nanotechnology. All aspects of the field are represented including nano- structures, synthesis, properties, assembly and devices. Applications of nanoscience in biotechnology, medicine, pharmaceuticals, physics, material science and electronics are also covered. The journal is essential to all involved in nanoscience and its applied areas.
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