Abstract
Dy3+ doped lithium zinc borate glasses with silver (Ag) nanoparticles (NPs) were synthesized by the conventional melt quenching method. Impact of silver NPs on the luminescence properties of 59B2O3: 20ZnO: 10Na2O: 10Li2O: 0.5SnO: 0.5Dy2O3 glasses doped with Dy3+ions were investigated. Ag+ ions have been reduced and nucleated to AgNPs by thermochemical redox method. Amorphous characteristics of the glasses were confirmed by XRD measurements. Raman and Fourier transform infrared spectra were used to estimate structural and vibrational bands of the glass samples. Localized surface plasmon resonance (LSPR) band is observed at 419 nm for 0.3 mol% of Ag along with three absorption bands of dysprosium were observed. Luminescence studies were performed on these glasses and found that three emission bands at 484, 575, and 665 nm when excited with wavelength of 349 nm, which corresponds to 4F9/2 to 6H15/2, 4F9/2 to 6H13/2, and 4F9/2 to 6H11/2 transitions of Dy3+ ions.
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