Facile hydrothermal preparation of titanium dioxide decorated reduced graphene oxide nanocomposite

Betty Yea Sze Chang, Nay Ming Huang, Mohd Nor An'amt, Abdul Rahman Marlinda, Yusoff Norazriena, Muhamad Rasat Muhamad, Ian Harrison, Hong Ngee Lim, Chin Hua Chia

Research output: Contribution to journalArticle

54 Citations (Scopus)

Abstract

A simple single-stage approach, based on the hydrothermal technique, has been introduced to synthesize reduced graphene oxide/titanium dioxide nanocomposites. The titanium dioxide nanoparticles are formed at the same time as the graphene oxide is reduced to graphene. The triethanolamine used in the process has two roles. It acts as a reducing agent for the graphene oxide as well as a capping agent, allowing the formation of titanium dioxide nanoparticles with a narrow size distribution (-20 nm). Transmission electron micrographs show that the nanoparticles are uniformly distributed on the reduced graphene oxide nanosheet. Thermogravimetric analysis shows the nanocomposites have an enhanced thermal stability over the original components. The potential applications for this technology were demonstrated by the use of a reduced graphene oxide/titanium dioxide nanocomposite-modified glassy carbon electrode, which enhanced the electrochemical performance compared to a conventional glassy carbon electrode when interacting with mercury(II) ions in potassium chloride electrolyte.

Original languageEnglish
Pages (from-to)3379-3387
Number of pages9
JournalInternational Journal of Nanomedicine
Volume7
DOIs
Publication statusPublished - 2012

Fingerprint

Nanocomposites
Graphite
Titanium dioxide
Oxides
Graphene
Nanoparticles
Glassy carbon
Electrodes
Carbon
Triethanolamine
Potassium Chloride
Mercury (metal)
Nanosheets
Reducing Agents
Reducing agents
Mercury
Electrolytes
Potassium
Thermogravimetric analysis
titanium dioxide

Keywords

  • Graphene oxide
  • Hydrothermal
  • Nanocomposite
  • Titanium oxide

ASJC Scopus subject areas

  • Biophysics
  • Bioengineering
  • Biomaterials
  • Organic Chemistry
  • Drug Discovery

Cite this

Facile hydrothermal preparation of titanium dioxide decorated reduced graphene oxide nanocomposite. / Chang, Betty Yea Sze; Huang, Nay Ming; An'amt, Mohd Nor; Marlinda, Abdul Rahman; Norazriena, Yusoff; Muhamad, Muhamad Rasat; Harrison, Ian; Lim, Hong Ngee; Chia, Chin Hua.

In: International Journal of Nanomedicine, Vol. 7, 2012, p. 3379-3387.

Research output: Contribution to journalArticle

Chang, BYS, Huang, NM, An'amt, MN, Marlinda, AR, Norazriena, Y, Muhamad, MR, Harrison, I, Lim, HN & Chia, CH 2012, 'Facile hydrothermal preparation of titanium dioxide decorated reduced graphene oxide nanocomposite', International Journal of Nanomedicine, vol. 7, pp. 3379-3387. https://doi.org/10.2147/IJN.S28189
Chang, Betty Yea Sze ; Huang, Nay Ming ; An'amt, Mohd Nor ; Marlinda, Abdul Rahman ; Norazriena, Yusoff ; Muhamad, Muhamad Rasat ; Harrison, Ian ; Lim, Hong Ngee ; Chia, Chin Hua. / Facile hydrothermal preparation of titanium dioxide decorated reduced graphene oxide nanocomposite. In: International Journal of Nanomedicine. 2012 ; Vol. 7. pp. 3379-3387.
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