Suhaimi Illias
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Preferred name
Suhaimi Illias
Official Name
Suhaimi, Illias
Alternative Name
Ilias, Suhaimi
Illias, S.
Bin Illias, Suhaimi
Iliasb, Suhaimi
Main Affiliation
Scopus Author ID
54920300100
Researcher ID
ABB-5405-2020

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  • Publication
    Correlation between crystal structure and thermal reaction of TiOâ‚‚ - Graphene Oxide
    ( 2021-04)
    Siti Kartom Kamarudin
    ;
    Muhammad Asri Idris
    ;
    Nur Farhana Diyana Mohd Yunos
    ;
    Banjuraizah Johar
    ;
    Ho Li Ngee
    ;
    Syarifah Norfaezah Sabki
    ;
    Suhaimi Illias
    TiO₂ - Graphene oxide (GO) (GO = 0-1.0wt %) powders were synthesised using sol-gel method and annealed at 500°C. The samples were then characterised using X-ray diffraction (XRD). The additional of GO gave significant influence on the crystal structure of TiO₂. The lattice parameter of TiO₂ were increased with decreasing GO concentration. The unit cell volume of TiO₂-GO annealed in N2 decreased with the oxygen occupancy. In contrary, the TiO₂-GO annealed in O₂ has an increase in O₂ occupancies in the lattice that was nearly proportional to its unit cell volume. A continuous weight loss was recorded by TGA at a temperature range of T= 30 - 1000°C that were associated with H2O, C-H and C-O species. It is concluded that the Ti-O-C and Ti-C bonds were formed for samples annealed in O₂ and N2 respectively. The weight loss of TiO₂-GO annealed in O₂ is lesser than that annealed in N2 for same concentration additional GO into TiO₂.