Synthesis of carbon-incorporated titanium oxide nanocrystals by pulsed solution plasma: Electrical, optical investigation and nanocrystals analysis

Chan Woo Lee, Seok Geun Lee, Jun Hong Noh, Hyun Suk Jung, Kyoung Jae Chung, Kug Sun Hong, Dong Wook Kim, Y. S. Hwang, Dong-Wan Kim

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TiOx/carbon composite nanosheets were synthesized by a "pulsed solution plasma" technique in a Ti-contained solution. The discharge characteristics of the plasma were investigated via the resistance of the plasma channel from current and voltage profiles as a function of capacitor energy. Furthermore, the Ti-based oxides were characterized in detail using high-resolution transmission electron microscopy and selected area electron diffraction. Finally, the formation mechanism of the product was discussed through optical emission spectroscopy. The analyses revealed that the products were composed of spherical nanoparticles of TiO, TiO2 rutile phases and polycrystalline anatase TiO2/carbon composite nanosheets, which were formed by plasma or plasma-induced reactions between species in Ti-contained solution.

Original languageEnglish
Pages (from-to)9497-9502
Number of pages6
JournalRSC Advances
Issue number13
Publication statusPublished - 2015 Jan 1


ASJC Scopus subject areas

  • Chemical Engineering(all)
  • Chemistry(all)

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