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Article

Impact of Ag2O Content on the Optical and Spectroscopic Properties of Fluoro-Phosphate Glasses

1
Laboratoire de Caractérisations, Applications et Modélisation des Matériaux LR18ES08, Sciences Faculty of Tunis, University of Tunis El Manar, Tunis 2092, Tunisia
2
Photonics Laboratory, Tampere University, FI-33101 Tampere, Finland
3
Graduate School of Engineering, Nagoya University, 2-24-16 Furo-cho, Chikusa-ku, Nagoya, Aichi 464-8603, Japan
4
Physics Department, College of Sciences, University of Bisha, P.B. 551, Bisha 61922, Saudi Arabia
5
Sciences Faculty of Tunis, University of Tunis El Manar, Tunis 2092, Tunisia
*
Author to whom correspondence should be addressed.
Materials 2019, 12(21), 3516; https://doi.org/10.3390/ma12213516
Received: 24 September 2019 / Revised: 10 October 2019 / Accepted: 22 October 2019 / Published: 26 October 2019
Glasses with the system (84.60-x) NaPO3-5 ZnO-(9.40-x) NaF-x Ag2O-1 Er2O3, (x = 0, 2, 4, and 6) (mol%) were synthesized by the conventional melt-quenching method. The impact of the addition of Ag2O on the physical, thermal, structural, and optical properties of the glasses is discussed. The Judd-Oflet analysis was used to evaluate the radiative properties of the emission transitions of the glasses. The enhancement of luminescence properties due to Ag2O is discussed in terms of consequent changes in the local electromagnetic field, symmetry, and the ligand field around the Er3+ ion. The heat treatment of the glass was performed in order to precipitate Ag nanoparticles (NPs), which form as a layer at the surface of the heat-treated glasses as confirmed using scanning electron microscopy (SEM). The Ag NPs were found to increase the intensity of the emission at 1.5 µm. View Full-Text
Keywords: fluoro-phosphate glasses; Ag nanoclusters; erbium; energy transfer; optical gain fluoro-phosphate glasses; Ag nanoclusters; erbium; energy transfer; optical gain
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MDPI and ACS Style

Ennouri, M.; Kuusela, L.; Jlassi, I.; Gelloz, B.; Petit, L.; Elhouichet, H. Impact of Ag2O Content on the Optical and Spectroscopic Properties of Fluoro-Phosphate Glasses. Materials 2019, 12, 3516. https://doi.org/10.3390/ma12213516

AMA Style

Ennouri M, Kuusela L, Jlassi I, Gelloz B, Petit L, Elhouichet H. Impact of Ag2O Content on the Optical and Spectroscopic Properties of Fluoro-Phosphate Glasses. Materials. 2019; 12(21):3516. https://doi.org/10.3390/ma12213516

Chicago/Turabian Style

Ennouri, Marwa; Kuusela, Luukas; Jlassi, Ifa; Gelloz, Bernard; Petit, Laeticia; Elhouichet, Habib. 2019. "Impact of Ag2O Content on the Optical and Spectroscopic Properties of Fluoro-Phosphate Glasses" Materials 12, no. 21: 3516. https://doi.org/10.3390/ma12213516

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