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P‐102: Enhanced VUV Photoluminescence Properties of (Y 0.05 Gd 0.05 ) 0.94−x Al x (V 0.25 P 0.75 )O 4 :Eu 0.06 Phosphors by Doping Al 3+
Author(s) -
Kim Ki Young,
Heo Mee Hyun,
Park Kyeongsoon
Publication year - 2011
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 - 10.1889/1.3621137
Subject(s) - photoluminescence , phosphor , tetragonal crystal system , analytical chemistry (journal) , materials science , activator (genetics) , doping , luminescence , excited state , microstructure , crystallography , mineralogy , chemistry , crystal structure , physics , metallurgy , atomic physics , optoelectronics , biochemistry , chromatography , gene
High‐quality (Y 0.05 Gd 0.05 ) 0.94−x Al x (V 0.25 P 0.75 )O 4 :Eu 0.06 (0≤x≤0.02) phosphors were synthesized by solution combustion method. We investigated their microstructure and photoluminescence properties as a function of Al 3+ content. The emission spectra consisted of three strong and sharp peaks at 594, 615 − 620, and 697 − 704 nm. These peaks were assigned to the transitions from the excited 5 D 0 to 7 F j (j = 1, 2, and 4) of Eu 3+ activator. The annealed phosphors formed a single phase with the tetragonal structure. The doped Al 3+ significantly improved the photoluminescence properties.