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32‐4: Potential Red Phosphors for LEDs: Replacing Eu 3+ Activators in LiEu(WO 4 ) 2 with Al 3+ Cations
Author(s) -
Silver Jack,
Fathullah Mohammed. M.,
Fern George R.,
Ireland Terry G.,
Stone Roni
Publication year - 2018
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.12586
Subject(s) - phosphor , europium , activator (genetics) , light emitting diode , white light , analytical chemistry (journal) , materials science , luminescence , chemistry , optoelectronics , environmental chemistry , biochemistry , gene
Europium is used as an activator in phosphors to generate the red component of white light, but there is concern about its' cost in the current market. Herein, Al 3+ is used to minimise the amount of Eu 3+ activators needed in LiEu (1‐x) Al x (WO 4 ) 2 (x=0, 0.15, 0.30, 0.45, 0.60, 0.75 and 0.95).