Journal
POLYMERS
Volume 13, Issue 11, Pages -Publisher
MDPI
DOI: 10.3390/polym13111746
Keywords
film photocatalyst; PES-Ag3PO4; g-C3N4; visible light photocatalyst; wastewater treatment; methyl orange; Ag3PO4
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Funding
- Ministry of Higher Education, Malaysia
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The effectiveness of PES-Ag3PO4/g-C3N4 film photocatalyst in degrading methyl orange dye under visible light irradiation was explored in this study. The results showed that 13 wt % loading of Ag3PO4/g-C3N4 composite was the best for maintaining degradation performance. The predominant species responsible for methyl orange degradation were found to be O-2(-) and h(+).
In the present study, we explored the effectiveness of PES-Ag3PO4/g-C3N4 film photocatalyst in degrading methyl orange dye under visible light irradiation. The PES-Ag3PO4/g-C3N4 film photocatalyst was prepared via a non-solvent-induced phase inversion process and characterized by X-ray diffraction (XRD), scanning electron microscopy (SEM), laser scanning microscopy (LSM), X-ray photoelectron spectra (XPS), UV-diffuse reflectance (DRS), and water contact angle. The incorporation of the Ag3PO4/g-C3N4 composite into the PES matrix improved the pristine PES film's hydrophilicity, as evidenced by the reduction of water contact angle from 79.03 degrees to 54.33 degrees for a film containing 15 wt % of Ag3PO4/g-C3N4 composite. The film's photoactivity showed that 13 wt % was the best loading of Ag3PO4/g-C3N4 composite, and the degradation performance was maintained up to three cycles. The center dot O-2(-) and h(+) were the predominant species responsible for the methyl orange degradation.
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