• Bakiz, Bahcine
• Benlhachemi, Abdeljalil
• Shaim, Abdelillah
• Chahine, Abdelkrim
• Ouammou, Abdelkarim
• Amaterz, Elhassan
• Ezahri, Mohamed
• Naciri, Yassine
• Taoufyq, Aziz

Abstract

<jats:p>Photocatalytic activity of (50-x/2)Na2O-xTiO2–(50-x/)P2O5 glasses (0 ≤ x ≤ 10 mol%) has been studied with an increase in the TiO2 content using UV-Visible spectrophotometry. Thermal properties were carried out from DTA measurement, and the variation of glass structure was investigated by Fourier Transform Infrared (FT-IR). The first addition of the TiO2 up to 3 mol% entrained depolymerization of the phosphate skeleton (PO3) chains in the binary 50Na2O–50P2O5 glass, resulting in poor cross-linking, which in turn the glass network becomes less rigid and the glass transition temperature (Tg) was decreased. Beyond this value, FT-IR reveals the formation of P–O–Ti bonds, which increases the cross-link density in the glass network and therefore increases Tg of the glasses. The photocatalytic activity results showed that these glasses ensure the discoloration of Rhodamine B by a removal efficiency of about 94% after 4h of irradiation.</jats:p>

Topics

• density
• glass
• glass
• laser emission spectroscopy
• thermogravimetry
• glass transition temperature
• differential thermal analysis
• spectrophotometry