Luminescence decay kinetics of yttrium aluminium garnet phosphor at different temperature

Yangyang Ju, V. M. Lisitsyn, N. P. Soschin, S. A. Kruglyakov

Research output: Contribution to journalConference article

Abstract

The temperature dependence of the luminescence decay for a series of SDL YAG:Ce phosphors is investigated. Luminescence quenching excited by chip under heat-treatment is observed. The dependence of temperature on thermal luminescent intensity at elevated temperature (range from room temperature to 200°C) was tested. Noticeable luminescence quenching of SDL 2700 phosphor is observed at temperatures above 50°C, and by increasing temperature up to 200°C, the luminescence intensity decreases 5 times. Compare with sdl2700 phosphor, the temperature quenching of sdl3500 and sdl4000 phosphors is much lower. The investigated phosphors differ in the content of Gd3+. An explanation of the observed effects is proposed.

Original languageEnglish
Article number052004
JournalJournal of Physics: Conference Series
Volume1115
Issue number5
DOIs
Publication statusPublished - 27 Nov 2018
Event6th International Congress on Energy Fluxes and Radiation Effects 2018, EFRE 2018 - Tomsk, Russian Federation
Duration: 16 Sep 201822 Sep 2018

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yttrium-aluminum garnet
phosphors
luminescence
kinetics
decay
quenching
temperature
luminous intensity
heat treatment
chips
temperature dependence
room temperature

ASJC Scopus subject areas

  • Physics and Astronomy(all)

Cite this

Luminescence decay kinetics of yttrium aluminium garnet phosphor at different temperature. / Ju, Yangyang; Lisitsyn, V. M.; Soschin, N. P.; Kruglyakov, S. A.

In: Journal of Physics: Conference Series, Vol. 1115, No. 5, 052004, 27.11.2018.

Research output: Contribution to journalConference article

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AU - Ju, Yangyang

AU - Lisitsyn, V. M.

AU - Soschin, N. P.

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AB - The temperature dependence of the luminescence decay for a series of SDL YAG:Ce phosphors is investigated. Luminescence quenching excited by chip under heat-treatment is observed. The dependence of temperature on thermal luminescent intensity at elevated temperature (range from room temperature to 200°C) was tested. Noticeable luminescence quenching of SDL 2700 phosphor is observed at temperatures above 50°C, and by increasing temperature up to 200°C, the luminescence intensity decreases 5 times. Compare with sdl2700 phosphor, the temperature quenching of sdl3500 and sdl4000 phosphors is much lower. The investigated phosphors differ in the content of Gd3+. An explanation of the observed effects is proposed.

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