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Enhanced photocatalytic activity of g-C3N4-LaFeO3 for water reduction reaction through mediator free Z-scheme mechanism

Abstract

We disclose g-C3N4/LaFeO3photocatatalyst, a mediator-free direct Z-scheme photocatalytic system by using mechanical mixing method with reliable interfacial interaction. The nanocomposite formation was determined by X-ray diffraction (XRD), transmission electron microscope (TEM) and X-ray photoelectron spectroscopy (XPS).The optical property of the nanohybrids have also been characterized by UV-vis diffuse reflectance spectra (DRS) and Photoluminescence Spectra (PL). Outcome makes obvious that the g-C3N4/LaFeO3nanocomposite were effectively fabricated, with reliable interfacial interaction and formed good heterojunction interaction between g-C3N4 and LaFeO3 which can considerably enhance the photocatalytic activity as compared to prinstine g-C3N4 and LaFeO3. Here the high HER (1152μmolh-1g-1) is also supported by PL spectra, Mott-Schottky plot, Electrochemical Impedance Spectroscopy (EIS) and solid-solid interfacial interaction

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Publication details

The article was received on 26 Feb 2017, accepted on 14 Apr 2017 and first published on 17 Apr 2017


Article type:
DOI: 10.1039/C7QI00115K
Citation: Inorg. Chem. Front., 2017, Accepted Manuscript
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    Enhanced photocatalytic activity of g-C3N4-LaFeO3 for water reduction reaction through mediator free Z-scheme mechanism

    S. Acharya, S. Mansingh and K. Parida, Inorg. Chem. Front., 2017, Accepted Manuscript , DOI: 10.1039/C7QI00115K

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