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P‐121: Persistent Luminescence of Ce 3+ /Cr 3+ Co‐doped Lu 3 Al 5‐x Ga x O 12 Phosphors
Author(s) -
Kim Jiwon,
Oh Seongkeun,
Kim Young Jin
Publication year - 2019
Publication title -
sid symposium digest of technical papers
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.351
H-Index - 44
eISSN - 2168-0159
pISSN - 0097-966X
DOI - 10.1002/sdtp.13280
Subject(s) - luminescence , photoluminescence , doping , analytical chemistry (journal) , ion , materials science , excitation , spectral line , atomic physics , physics , chemistry , optoelectronics , chromatography , quantum mechanics , astronomy
Lu 3 Al 5‐x Ga x O 12 :Ce 3+ ,yCr 3+ powders exhibited a strong green emission under 450 nm excitation. The photoluminescence spectra varied upon changing x values. Cr 3+ ions acted as the electron traps and led to a persistent luminescence, depending ony values.