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Articles

Shock-tube study of the formation of iron, carbon, and iron–carbon binary nanoparticles: experiment and detailed kinetic simulations

, , , , , , , , , , & show all
Pages 243-262 | Received 01 Dec 2017, Accepted 10 Mar 2018, Published online: 27 Mar 2018
 

ABSTRACT

An experimental and computational study of the formation of pure iron nanoparticles, carbon nanoparticles (soot), and binary carbon-coated iron nanoparticles during the pyrolysis of iron pentacarbonyl–argon, ethylene–argon, and iron pentacarbonyl–ethylene–argon mixtures, respectively, behind reflected shock waves is carried out. The shape and size distribution of these nanoparticles are examined on a Zeiss Ultra plus ultrahigh-resolution field-emission scanning electron microscope. The binary iron–carbon particles were also investigated by high-resolution transmission electron microscopy and high-angle annular dark-field imaging (HAADF STEM) on a FEI Osiris transmission electron microscope equipped with a Bruker SuperX detector. Detailed kinetic simulations of the formation of these three types of particles are performed, which predict the concentration, average size, and size distribution of particles.

Acknowledgments

This work was performed within the framework of the Program of Fundamental Research of the Russian Academy of Sciences for 2013-2020 on the research issue of IChP RAS No. 47.16. Theme number in Federal Agency for Scientific Organizations: 0082-2014-0004. State registration number of Center of Information Technologies and Systems for Executive Power Authorities (CITIS): AAAA-A17-1170406l0283-3.

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