Improved Self-Cleaning and Spectral Features of Erbium Doped Tellurite Glass with Titania Nanoparticles Sensitization

N.N. Yusof; Sib Krishna Ghoshal; Ramli Arifin

doi:10.4028/www.scientific.net/SSP.268.48

Paper Titles

Effect of Neodymium Ions on Density and Elastic Properties of Zinc Tellurite Glass Systems
p.28

Structural and Thermal Characterization of Antimony-Phosphate Glass
p.33

Luminescence Studies of Erbium Doped Sodium Magnesium Boro-Tellurite Glass
p.38

Hardness and Structure of Er³⁺:Sm³⁺ Co-Doped Oxychloride Zinc Tellurite Glass
p.43

Improved Self-Cleaning and Spectral Features of Erbium Doped Tellurite Glass with Titania Nanoparticles Sensitization
p.48

Study on Optical Absorption and Structural Bonding of Lithium Zinc Phosphate Glasses
p.54

Silver Nanoparticles Included Er³⁺/Sm³⁺ Co-Doped Phosphate Glass: Evaluation of Thermal Stability and Infrared Absorption
p.62

Structures and Ligand Field Parameters of Sm³⁺ Doped Tellurite Glass: Gold Nanoparticles Mediation
p.67

Luminescence Properties of Cerium Doped Iron Calcium Boroaluminate Glass
p.72

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Improved Self-Cleaning and Spectral Features of Erbium Doped Tellurite Glass with Titania Nanoparticles Sensitization

Abstract:

The effects of Titania nanoparticles (TiNPs) sensitization on the self-cleaning, spectral, and physical properties of erbium-doped tellurite glass were determined. Five glass samples with composition (69-x)TeO₂-20ZnO-10Na₂O-1Er₂O₃-(x)TiO₂, where x = 0.0, 0.1, 0.2, 0.3 and 0.4 mol% were synthesized using melt quenching method. XRD pattern confirmed the amorphous nature of prepared samples and TEM images manifested the growth of nearly spherical TiNPs of average size ≈14 ± 1 nm inside the glass matrix. The observed decrease in the water contact angle from 68^o to 43^o with increasing TiNPs contents was ascribed to the increase of glass surface hydrophilicity. Meanwhile, enhanced degradation rate of methylene blue (MB) with increasing TiNPs contents up to 0.2 mol% indicated an improved photocatalytic activity of the glass sample. The UV-Vis-NIR absorption spectra exhibited ten significant bands of Er³⁺ ions. Two plasmon absorption bands were evidenced at 552 and 580 nm. The green band in the photoluminescence spectra of sample containing 0.2 mol% of TiNPs showed highest enhancement factor of 30 times. It is established that the present glass composition is prospective for making self-cleaning surfaces and other display devices.

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Solid State Phenomena (Volume 268)

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48-53

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https://doi.org/10.4028/www.scientific.net/SSP.268.48

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Online since:

October 2017

Authors:

N.N. Yusof, Sib Krishna Ghoshal*, Ramli Arifin

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Photocatalytic, Self-Cleaning Glass, Titania Nanoparticles, Water Contact Angle

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