On the possibility of controlling the morphology of carbon-containing titanium dioxide-based nanocomposites during pulsed plasma chemical synthesis

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Abstract

Three sets of carbon-containing nanocomposites based on titanium dioxide were synthesised by changing the concentrations of the original precursors (Сн4, о2) using a pulsed plasma chemical method. The elemental and chemical analyses of the synthesised nanocomposites were performed. The morphology of the carbon-containing titanium dioxide-based nanocomposites was studied by transmission electron microscopy. To determine the crystal structures of the nanocomposites, the standard method of X-ray phase analysis was used. The band gaps for the synthesised carbon-containing titanium dioxide-based composites were calculated using the diffuse reflectance spectra in the range of 1.3–3.6 eV. It was experimentally proved that the band gap for indirect transitions depended on the total carbon content in the synthesised samples and was 2.76 eV for some samples.

Original languageEnglish
Pages (from-to)677-683
Number of pages7
JournalFullerenes Nanotubes and Carbon Nanostructures
Volume27
Issue number9
DOIs
Publication statusPublished - 2019

Keywords

  • carbon structures
  • composite
  • core-shell structures
  • photocatalytic properties
  • Plasma chemical synthesis
  • pulsed electron beam
  • silicon oxide
  • titanium dioxide

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics
  • Materials Science(all)
  • Physical and Theoretical Chemistry
  • Organic Chemistry

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