Comparative study of TiO2 nanoparticles prepared by classical and modified sol-gel methods and their photocatalytic activity

2017/04/24 by Younes Moussaoui, Moussaoui, Younes, Elimame Elaloui +1
Energy · #TiO2 Photocatalysis and Solar Cells #TiO2 nanoparticles #methylene blue #modified sol-gel #photocatalytic activity.

paper · doi:10.48317/imist.prsm/morjchem-v5i3.8594

openalex publication_date 2017/04/24 · openalex created_date 2025/10/10 · openalex updated_date 2026/07/01

Abstract

TiO2 nanoparticles were synthesized via classical and modified sol-gel method by using titanium isoproxide IV (TIP) as precursor. SEM microscopy showed that particles obtained by modified sol-gel route have spherical morphology, besides X-ray diffraction measurements showed that TiO2 nanoparticles were polycrystalline with anatase phase. Photocatalytic properties of TiO2 nanoparticles were evaluated via degradation of methylene blue (MB) in aqueous solution under UV irradiation. The results showed that the titania prepared by modified sol-gel using cationic surfactant CTAB have higher photocatalytic activity than the classical method which employed complex agents.

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