Synthesis of the Graphitic Carbon Nitride/Iron Oxide Nanocomposite

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Ghane, Navid | 2020

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Type of Document: M.Sc. Thesis
Language: Farsi
Document No: 52894 (07)
University: Sharif University of Technology
Department: Materials Science and Engineering
Advisor(s): Sadrnezhad, Khatiboleslam
Abstract:
The g-C3N4/Fe2O3 nanocomposite was produced by the combustion synthesis. The product was characterized by x-ray diffraction (XRD), field-emission scanning electron microscopy (FE-SEM), Fourier-transform infrared spectroscopy (FTIR), Brunauer-Emmett-Teller study (BET), Ultraviolet-visible analysis (UV-vis) and photoluminescence measurement (PL). Effect of iron nitrate on stability and photocurrent density under simulated visible-light irradiation was determined. The highest photocurrent density obtained (4.25 μA/Cm2) was twelve times the pure g-C3N4. This improvement was due to a bandgap decrease, the specific surface area increase, reduction of the electron-hole recombination, and enhancement of the visible-light harvesting. Methylene blue degradation by the synthesized nanocomposite was three times faster than pure g-C3N4. The g-C3N4/Fe2O3 nanocomposite was therefore introduced as a potential material for water-splitting and pollutant removal
Keywords:
Visible Light ; Photocatalyst ; Water Splitting ; Aqueous Combustion Synthesis ; Graphitic Carbon Nitride ; X Ray Diffraction ; Nanocomposite

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