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Designing of Copper Nanoparticle Size Formed via Aerosol Pyrolysis

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Abstract

In this article, the synthesis and structural design of spherical, nonagglomerated particles of copper powder, synthesized by ultrasonic atomization of copper sulfate solutions in hydrogen atmosphere at 1173 K (900 °C), was investigated. Well-controlled particle sizes of Cu powders were obtained from precursor solutions of various concentrations. The mean particle diameters and the ranges of particle size distribution were investigated by scanning electron microscopy (SEM). The diameter values of Cu particles obtained experimentally and estimated theoretically, using the most frequently applied atomization models, were compared. Special attention was paid to our break up capillary waves model, described elsewhere and significantly advanced by Jokanović’s theoretical approach, which was applied for the first time to a copper metal system as described in this article. The best agreement between the calculated and the experimentally obtained values was found using this model.

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Acknowledgments

We would like to thank DFG (Deutsche Forschungsgemeinschaft) for the financial support of the project FR 1713/11-1 “Designing of nanoparticle morphology in aerosol synthesis” and Serbian Ministry of Science for their financial support of the project N 172026. Our special thanks are addressed to Eltex, Elektrostatik-GmbH, Weil am Rhein, Germany, for their active participation in development of the ESP collection system for nanosized particles.

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Authors and Affiliations

  1. Institute of Nuclear Sciences “Vinča,”, University of Belgrade, 11001, Belgrade, Serbia

    Vukoman Jokanović (Research Professor) & Božana Čolović (Research Associate)

  2. IME Process Metallurgy and Metal Recycling, RWTH Aachen University, 57410, Aachen, Germany

    Srećko Stopić (Research Professor) & Bernd Friedrich (Research Professor)

Authors
  1. Vukoman Jokanović
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  2. Božana Čolović
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  3. Srećko Stopić
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  4. Bernd Friedrich
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Corresponding author

Correspondence to Vukoman Jokanović.

Additional information

Manuscript submitted October 27, 2008.

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Jokanović, V., Čolović, B., Stopić, S. et al. Designing of Copper Nanoparticle Size Formed via Aerosol Pyrolysis. Metall Mater Trans A 43, 4427–4435 (2012). https://doi.org/10.1007/s11661-012-1231-4

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  • DOI: https://doi.org/10.1007/s11661-012-1231-4

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