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Formation of NiCo2O4 Thin Films by Sol–Gel Technology and Pen Plotter Printing

Authors
  • Simonenko, T. L.1
  • Simonenko, N. P.1
  • Gorobtsov, Ph. Yu.1
  • Simonenko, E. P.1
  • Sevastyanov, V. G.1
  • Kuznetsov, N. T.1
  • 1 Kurnakov Institute of General and Inorganic Chemistry, Russian Academy of Sciences, Moscow, 119991, Russia , Moscow (Russia)
Type
Published Article
Journal
Russian Journal of Inorganic Chemistry
Publisher
Pleiades Publishing
Publication Date
Dec 01, 2021
Volume
66
Issue
14
Pages
2045–2052
Identifiers
DOI: 10.1134/S0036023621140138
Source
Springer Nature
Keywords
Disciplines
  • Synthesis and Properties of Inorganic Compounds
License
Yellow

Abstract

AbstractThe production of a NiCo2O4 nanopowder using hydrolytically active heteroligand complexes [M(C5H7O2)x(C4H9O)y] (where M = Ni and Co) as precursors was investigated. A simultaneous thermal analysis was used to study the synthesis of a xerogel by the hydrolysis of the complexes, their polycondensation, and drying of the synthesized gel and the transformation of the produced xerogel to an oxide powder of the desired composition. Advantages were demonstrated for the proposed method of pen plotter printing using the obtained solution of the heteroligand complexes as a functional ink in the production of NiCo2O4 thin films on the surface of substrates of various types. The results of X-ray powder diffraction analysis and scanning and transmission electron microscopy confirmed that the proposed synthesis conditions and printing parameters ensure the efficient synthesis of the oxide of the desired composition as both a nanopowder (with an average size of coherent scattering regions of about 20 nm), and thin films (with an average particle size of 12–15 nm).

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