Research of Regularities of Aerosol Synthesis of Iron Oxide Particles

Abstract:

The influence of the concentration of the initial solution on the size and composition of the particles obtained by the method of ultrasonic spray pyrolysis (USP) was investigated. An aqueous solution of Fe (NО₃)₃·9Н₂О, the concentration of which varied in the range of 0,0025–0,03 mol/l, was used as the starting material. As a result of the process, iron oxide particles were obtained, the average size of which varied from 123 to 292 nm. Based on FTIR and XRD, powders consist of several phases and have crystalline inclusions α-Fe₂O₃, β-Fe₂O₃, and γ-Fe₂O₃.

• Periodical: Key Engineering Materials (Volume 822)
• Pages: 327-333
• DOI: https://doi.org/10.4028/www.scientific.net/KEM.822.327
• Online since: September 2019
• Authors: E.N. Chapalda*, Sergey E. Aleksandrov, Ewelina Kucal
• Keywords: IR Spectra, Iron Oxides, Powder, Pyrolysis of Aerosols, XRD

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