首页|The synthesis of nanostructured and nanometer-sized systems

The synthesis of nanostructured and nanometer-sized systems

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The present chapter deals with the difficult task of giving a brief survey of the synthetic routes employed to prepare materials with characteristic features on the nanometer scale. Definitions and general concepts regarding nanostructured and nanometer-sized materials are shortly tackled in the introductory part, which is followed by an overview of the most important approaches developed to synthesize such materials. No attempt is made to create a comprehensive and detailed synopsis of the experimental methods currently available. Rather, attention is focused on a selected number of general methodologies, the choice of which can be usually motivated by a mix of historical perspective, scientific significance and technological potential. So-called "top-down" approaches are discussed first, whereas the second part of the chapter is devoted to "bottom-up" ones. The former group includes mechanical processing, melt quenching, and de-vitrification methods. Sonochemistry, pulsed laser ablation, wet chemical synthesis, sol-gel processing, microwave processing, spray pyrolysis, flame synthesis, inert gas condensation, vapor deposition, and vapor-liquid-solid growth form instead the latter group.

synthesismechanical processingmelt quenchingde-vitrificationsonochemistrypulsed laser ablationwet chemical synthesissol-gel processingmicrowave processingspray pyrolysisflame synthesisinert gas condensationvapor depositionvapor-liquid-solid growth

Francesco Delogu、Elisabetta Arca、Igor V. Shvets

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Dipartimento di Ingegneria Chimica e Materiali, Universita degli Studi di Cagliari, piazza d'Armi, 09123 Cagliari, Italy

School of Physics, Trinity College Dublin, Dublin 2, Ireland

2010

10.4028/www.scientific.net/KEM.444.99

Key engineering materials

Key engineering materials

ISSN：1013-9826
年,卷(期)：2010.444
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