Steady state and time–resolved luminescence of Tb3+/Ce3+ doped ABS-BGP glasses

Guanpeng Yao, Damir Valiev, Sergey Stepanov, Yanyan Zhou, Fanming Zeng

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

ABS-BGP (Al2O3-B2O3-SiO2-BaCO3-Gd2O3-P2O5) glasses doped with different concentrations of Ce3+ and Tb3+ were prepared by high temperature melting method. The luminescent properties using steady state and time-resolved luminescence were investigated. The time-resolved luminescence was studied by pulse photo- and cathodoluminescence type of excitation. The strong “blue” emission due to radiation transition of Ce3+ ions under selective excitation in nanosecond time range was recorded. The decay time of Tb3+ ions under the electron beam excitation at 542 nm is 2.2 ms. It was demonstrated that the luminescence efficiency does not depend on the Ce3+ concentration excited by the LED chip. The decay kinetics are characterized by a single exponential function with the decay time τ = 30 ns under photoexcitation. However there are two components of luminescence decay τ1 = 35 ns, τ2 = 540 ns when excited by a flow of electrons. The difference in luminescence decay kinetics under various type of excitation was discussed. The results indicate that ABS-BGP glasses would be excellent candidate for visible luminescent device applications.

Original languageEnglish
Pages (from-to)310-315
Number of pages6
JournalJournal of Luminescence
Volume207
DOIs
Publication statusPublished - 1 Mar 2019

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phosphorus pentoxide
Luminescence
Glass
luminescence
glass
decay
excitation
Electrons
Ions
Luminescent devices
Kinetics
Cathodoluminescence
Photoexcitation
Exponential functions
kinetics
exponential functions
cathodoluminescence
photoexcitation
Freezing
Light emitting diodes

Keywords

  • Decay kinetics
  • Energy transfer
  • Tb/Ce-co-doped glass
  • Time-resolved luminescence spectroscopy

ASJC Scopus subject areas

  • Biophysics
  • Atomic and Molecular Physics, and Optics
  • Chemistry(all)
  • Biochemistry
  • Condensed Matter Physics

Cite this

Steady state and time–resolved luminescence of Tb3+/Ce3+ doped ABS-BGP glasses. / Yao, Guanpeng; Valiev, Damir; Stepanov, Sergey; Zhou, Yanyan; Zeng, Fanming.

In: Journal of Luminescence, Vol. 207, 01.03.2019, p. 310-315.

Research output: Contribution to journalArticle

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