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M. Kryszewski

Production of metal and semiconductor nanoparticles in polymer systems

Polimery 1998, No 2, 65

DOI: dx.doi.org/10.14314/polimery.1998.065


The role of chemistry in nanotechnology is discussed. The literature covering the production of systems of nano-sized metal and semiconductor particles in polymer matrices (nanoscopic composites) was reviewed over 1993—1997. Direct methods for preparing polymer-borne metal clusters are characterized with particular reference to the synthesis of metal lic nanoparticles in polymer systems via dissolution of a metal precursor in a supercritical fluid and its subsequent reduction or via thermal decomposition of a metal precursor during the polymerization step. Formation of metal (Cu, Cd) clusters in anisotropic polymer networks was described, e.g., in an oriented hydroxypropylcellulose matrix. Specific mechanical features (Young's modulus) of nanoscopic low-metal composites were illustrated on the example of the nano-sized palladium—poly(methyl methacrylate) system. Prospects for uniform distribution of metal clusters in polymer matrices assume the use of dendrimers or comb-shaped cascade polymers containing metal atoms.

Keywords: nanotechnology, nanoscopic polymer composites, metals, semiconductors, Young's modulus

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