Bright Green Emission of Tb3+ Doped Lithium Sodium Potassium Borate Glasses for Photonic Application

N. Jarucha, Y. Ruangtaweep, P. Meejitpaisan, P. Kanthang, N. Wongdamnern, P. Limsuwan, H. J. Kim, J. Kaewkhao, T. Sareein

Research output: Contribution to journalArticlepeer-review

Abstract

The melt-quenching approach was implemented to create terbium-doped lithium sodium potassium borate glasses (LNKBTb). Archimedes’ principle, absorption and luminescence spectra, including CIE chromaticity were used to characterize the properties of glasses. Terbium in glasses absorbs photon in the visible and near infrared ranges. The intense green emission at 544 nm was generated by the terbium 5D4 to 7F5 transition when excited with ultraviolet–visible (UV–Vis) light. The emission intensities of LNKBTb glasses increased with increasing terbium concentrations up to 4 mol%, after which they decreased, resulting in the concentration quenching effect, whereas decay time decreases as Tb2O3 content increases. In CIE 1931, the overall color of emission is green. May bring can continue to develop to use as a photonic material in green light sources and lasers.

Original languageEnglish
Pages (from-to)317-325
Number of pages9
JournalIntegrated Ferroelectrics
Volume238
Issue number1
DOIs
StatePublished - 2023

Keywords

  • Borate glasses
  • CIE
  • luminescence
  • terbium

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