Enhanced methylene blue removal efficiency of TiO2 embedded porous glass

Date

2021-02-01

Author

Ertus, E. Burak
Vakifahmetoglu, Cekdar
Öztürk, Abdullah

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A porous glass (PG) embedded with titanium dioxide (TiO2) was produced via impregnation of the PG with Titanium (IV) Isopropoxide solution followed by crystallization. N-2 sorption analyses revealed that the specific surface area (SSA) and total pore volume of the PG reached to 358 m(2)/g and 0.370 cm(3)/g, respectively. The adsorption capacity of methylene blue (MB) for the glasses was measured in the dark, instead the photocatalytic MB removal efficiency was evaluated by the degradation of MB under UV light illumination using a UV-vis spectrometer. The MB removal efficiency of the TiO2 synthesized anatase powder was only 32.3 % whereas, for TiO2 embedded PG (TiPG) it was 91.6 %, and nearly complete (> 99 %) efficacy was achieved for TiO2 embedded alkaline leached PG (TiPG-AL) under UV illumination 3 h period. Better MB removal efficiency was attributed to high SSA and dispersion of nano size anatase TiO2 crystallites within the porous structure.

Subject Keywords

Materials Chemistry, Ceramics and Composites

URI

https://hdl.handle.net/11511/70206

Journal

JOURNAL OF THE EUROPEAN CERAMIC SOCIETY

DOI

https://doi.org/10.1016/j.jeurceramsoc.2020.09.047

Collections

Department of Metallurgical and Materials Engineering, Article

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Citation Formats

E. B. Ertus, C. Vakifahmetoglu, and A. Öztürk, “Enhanced methylene blue removal efficiency of TiO2 embedded porous glass,” JOURNAL OF THE EUROPEAN CERAMIC SOCIETY, pp. 1530–1536, 2021, Accessed: 00, 2021. [Online]. Available: https://hdl.handle.net/11511/70206.