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All Journal International Journal of Renewable Energy Development
Sawsan S. Al-Rawi
Biology Education Department, Faculty of Education, Tishk International University, Erbil
Control & Systems Engineering Earth & Planetary Sciences Electrical & Electronics Engineering Energy Engineering

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Hard-template synthesis of Ti–V–Mn ternary photocatalysts using gelatin-modified mesoporous silica for efficient methylene blue degradation Maria Ulfa; Sawsan S. Al-Rawi; Ahmad H. Ibrahim; Amellia Ardhany; Wirawan Ciptonugroho; Nanik Dwi Nurhayati; Agung C. Saputro; Muhammad Adnan Iqbal
International Journal of Renewable Energy Development Vol 15, No 6 (2026): November 2026
Publisher : Center of Biomass & Renewable Energy (CBIORE)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61435/ijred.2026.62292

Abstract

The rapid expansion of the textile industry, driven by technological progress, has resulted in substantial dye pollution, particularly from methylene blue effluents, which remain highly recalcitrant in aquatic environments. Photocatalysis offers a sustainable and effective pathway for dye degradation, and in this study, Ti–V–Mn ternary photocatalysts were synthesized using a 20% gelatine-modified mesoporous silica hard template. Comprehensive characterization was carried out to establish the relationship between structural and optical properties and photocatalytic performance. XRD revealed that the G–Ti–Mn sample exhibited the highest crystallinity (19.62%), while SEM–EDX confirmed the uniform distribution of all metal precursors. FTIR spectra displayed characteristic M–O vibrations corresponding to Ti–O, V–O, and Mn–O bonding, and UV–Vis DRS showed reduced band gap energies in the range of 1.005–2.39 eV, favoring visible-light activation. BET analysis indicated a typical type IV isotherm, with the G–V–Mn sample exhibiting the highest surface area of 106.67 m²/g and pore diameters of 3.74–4.94 nm, confirming the mesoporous nature of the materials. Photocatalytic evaluation demonstrated that the G–V–Mn system achieved the highest degradation efficiency, removing up to 67.83% of methylene blue under UV–Vis irradiation. These findings highlight the potential of gelatine-assisted mesoporous templates in engineering ternary metal photocatalysts with enhanced structural and optical features for sustainable wastewater treatment applications.
Co-Authors Agung C. Saputro Ahmad H. Ibrahim Amellia Ardhany Maria Ulfa Muhammad Adnan Iqbal Nanik Dwi Nurhayati Wirawan Ciptonugroho