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Article

Impact of ZnO Addition on Er3+ Near-Infrared Emission, the Formation of Ag Nanoparticles, and the Crystallization of Sodium Fluorophosphate Glass

1
Photonics Laboratory, Tampere University, Korkeakoulunkatu 3, 33720 Tampere, Finland
2
Fondazione LINKS—Leading Innovation & Knowledge for Society, Via P. C. Boggio 61, 10138 Torino, Italy
*
Author to whom correspondence should be addressed.
Materials 2020, 13(3), 527; https://doi.org/10.3390/ma13030527
Received: 19 December 2019 / Revised: 9 January 2020 / Accepted: 19 January 2020 / Published: 22 January 2020
The impact of the progressive addition of ZnO up to 5 mol% on the thermal, structural, and optical properties of Er3+-doped phosphate glasses within the system NaPO3-NaF-ZnO-Ag2O is discussed. The glass network was found to depolymerize upon the addition of ZnO. This promotes a slight increase in the intensity of the emission at 1.5 µm as well as enhances the silver ions clustering ability under the heat treating. The Ag-nanoparticles formed after moderate heat-treatment can further enhance the emission at 1.5 µm, whereas an excessive amount of the clusters leads to the opposite effect. The addition of ZnO helps to slightly increase the glass ability of the system. The crystallization behavior study revealed that surface crystallization is observed for all the glasses. It is found that even a small ZnO addition changes the crystalline phases formed after devitrification. Moreover, the addition of ZnO decreases the crystallization tendency of the glass. View Full-Text
Keywords: glass; glass-ceramic; silver nanoparticles; erbium; luminescence; crystallization glass; glass-ceramic; silver nanoparticles; erbium; luminescence; crystallization
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MDPI and ACS Style

Kuusela, L.; Veber, A.; Boetti, N.G.; Petit, L. Impact of ZnO Addition on Er3+ Near-Infrared Emission, the Formation of Ag Nanoparticles, and the Crystallization of Sodium Fluorophosphate Glass. Materials 2020, 13, 527. https://doi.org/10.3390/ma13030527

AMA Style

Kuusela L, Veber A, Boetti NG, Petit L. Impact of ZnO Addition on Er3+ Near-Infrared Emission, the Formation of Ag Nanoparticles, and the Crystallization of Sodium Fluorophosphate Glass. Materials. 2020; 13(3):527. https://doi.org/10.3390/ma13030527

Chicago/Turabian Style

Kuusela, Luukas; Veber, Alexander; Boetti, Nadia G.; Petit, Laeticia. 2020. "Impact of ZnO Addition on Er3+ Near-Infrared Emission, the Formation of Ag Nanoparticles, and the Crystallization of Sodium Fluorophosphate Glass" Materials 13, no. 3: 527. https://doi.org/10.3390/ma13030527

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