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An Aerosol-Based Route to Nanostructured Powders Synthesis in Liquids

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Abstract:

An alternative technique for synthesizing nanostructured powders in liquid solutions has been developed. The technique combines generation of charged aerosols via electrospray with reductive precipitation reactions in liquids. Electrospray of liquids is carried out to produce micrometric, nearly mono-dispersed airborne droplets from a precursor solution. The droplets, which are spatially separated due to electrostatic repulsion, are collected in a bath containing a reductive solution. The effect of some process parameters on the resulting material texture has been studied. Tin particles produced from tin chloride solutions are regarded as a model here, but it is stressed that this approach can be considered as a general method to synthesize many other metallic-like materials, such as alloys and intermetallics. Hence, the large variety of materials that can be produced in this way could find several relevant applications in different technological fields.

Keywords: ELECTROSPRAY; METALLIC POWDERS; REDUCTIVE PRECIPITATION; SN PARTICLES; TIN OXIDATION

Document Type: Research Article

DOI: https://doi.org/10.1166/jnn.2010.2445

Publication date: 2010-09-01

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  • Journal for Nanoscience and Nanotechnology (JNN) is an international and multidisciplinary peer-reviewed journal with a wide-ranging coverage, consolidating research activities in all areas of nanoscience and nanotechnology into a single and unique reference source. JNN is the first cross-disciplinary journal to publish original full research articles, rapid communications of important new scientific and technological findings, timely state-of-the-art reviews with author's photo and short biography, and current research news encompassing the fundamental and applied research in all disciplines of science, engineering and medicine.
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