Synthesis and characterization of Bi-doped g-C3N4 for photoelectrochemical water oxidation

[Display omitted] •g-C3N4 materials with tubular structure were prepared by the direct pyrolysis of melamine.•The material was doped with Bismuth to adjust the band gap.•Samples of 2.5% Bi doping induced a 6-fold electron-hole separation, compared to g-C3N4.•PEC water splitting activity doubled by d...

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Veröffentlicht in:	Solar energy 2020-11, Vol.211, p.478-487
Hauptverfasser:	El Rouby, Waleed M.A., Aboubakr, Ahmed Esmail A., Khan, Malik D., Farghali, Ahmed A., Millet, Pierre, Revaprasadu, Neerish
Format:	Artikel
Sprache:	eng
Schlagworte:	Bismuth Bismuth doped Carbon nitride Charge transfer Chemical bonds Chemical energy Clean energy Conduction bands Doping Electrochemical impedance spectroscopy Electrochemistry Elongated structure Energy Energy dispersive X ray analysis Energy gap Energy storage Fourier analysis Fourier transforms Graphitic carbon nitride Holes (electron deficiencies) Hydrogen production Infrared analysis Melamine Oxidation Photoelectrochemical water splitting Photoluminescence Photons Photooxidation Pyrolysis Renewable energy sources Solar energy Spectroscopic analysis Spectroscopy Spectrum analysis Synthesis Water splitting X ray analysis
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