Bibliographic Details
| Title: |
Hexagonal TiO2/SiO2 Porous Microplates for Methylene Blue Photodegradation. |
| Authors: |
Ulfa, Maria1 mariaulfa@staff.uns.ac.id, Nur Anggreani, Cindy1, Mulyani, Bakti1, Sholeha, Novia Amalia2 |
| Source: |
Bulletin of Chemical Reaction Engineering & Catalysis. Apr2024, Vol. 19 Issue 1, p149-159. 11p. |
| Subject Terms: |
*METHYLENE blue, *MICROPLATES, *FOURIER transform infrared spectroscopy, *PHOTODEGRADATION |
| Abstract: |
Hexagonal TiO2/SiO2 Porous Microplates have been successfully synthesized by incorporation of Ti precursors into SiO2 synthesized from Si precursors in a gelatin-CTAB mixture via the hydrothermal method. The prepared samples were characterized by X-ray diffraction (XRD), scanning electron microscopy (SEM), EDX, nitrogen adsorption-desorption and Fourier transform infrared spectroscopy (FTIR). The sample has a surface area of 735 m²/g, pore volume of 0.67 cc/g, and pore diameter of 3.2 nm, according to the results of the characterization of hexagonal TiO2/SiO2 porous microplates. The transformation of SiO2 microspheres into hexagonal TiO2/SiO2 porous microplates is revealed by a microparticle size increase of 84% and the transition of Si-O bonds into Ti-O and Si-O as measured by FTIR. The photocatalytic activity of hexagonal TiO2/SiO2 porous microplates resulted in 81.15% photodegradation of methylene blue under UV light irradiation within 60 min, which was 21% better than SiO2. [ABSTRACT FROM AUTHOR] |
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