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| Naji, M. |
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| Azevedo, Nuno Monteiro |
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| Landes, Michael |
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| Rignanese, Gian-Marco |
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Mansour, Abdelfattah
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Publications (6/6 displayed)
- 2024Synthesis and Optical Properties of Erbium-Doped Sodium Silicate in Sol-Gel Matrix
- 2024Exploring nanoarchitectonics and optical properties of PAA-ZnO@BCP wide-band-gap organic semiconductors
- 2023Study on Optical of Chitosan-Aminopropyltriethoxysilane-SiO2 Nanocomposite Decorated with Carbon Nanotubes
- 2022Ecofriendly synthesis and characterization of Ni2+ codoped silica magnesium zirconium copper nanoceramics for wastewater treatment applications
- 2022Sol-Gel/Gel Casting Nanoarchitectonics of Hybrid Fe2O3–ZnO/PS-PEG Nanocomposites and Their Optomagnetic Properties
- 2022Silica Zinc Titanate Wide Bandgap Semiconductor Nanocrystallites: Synthesis and Characterization
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document
Synthesis and Optical Properties of Erbium-Doped Sodium Silicate in Sol-Gel Matrix
Abstract
n this study, we investigated how the concentration of erbium (0.0, 1, 2 mol% Er) affects the structural and optical properties of thin films made from sol-gel sodium silicate doped with erbium nitrate, thermally treated at 250 °C. Through systematic investigation, we explore the structural evolution and optical behavior of the thin films across varying Er 3+ concentrations. The sol-gel demonstrated effective capabilities for substantial concentrations of Er 3+ oxides through doping at lower calcination temperatures. The spectroscopic characteristics were studied using visible-near infrared spectroscopy (UV–vis–NIR), transmission electron microscopy, and Fourier transform infrared spectroscopy. Increasing the Er ratio decreased both the transmission and the energy band gap (3.6–3.34 eV) of the films while the absorption peak increased. The obtained results suggest that Er 3+ activators demonstrate advantageous optical properties in the evaluated sodium silicate glass matrix. With the introduction of Er, optical transmittance ranges from 85 to 55% in the visible and near-infrared (NIR) regions, highlighting their advantageous characteristics. This research contributes to advancing the understanding of erbium-doped thin films for potential applications in optoelectronic devices and photonics.