Solid solubility and photoluminescence of Y sub(3)Al sub(5)O sub(12):Ce super(3+) prepared by using (Y sub(1-x)Ce sub(x)) sub(2)O sub(3) as precursor

Trivalent cerium-doped yttrium aluminum garnet (YAG:Ce super(3+)) phosphors are synthesized by solid-state reaction method through using (Y sub(1-x)Ce sub(x)) sub(2)O sub(3) solid solutions as precursors. Solid solubility limits of Ce super(3+) replacing Y super(3+) in Y sub(2)O sub(3) and YAG are d...

Full description

Saved in:
Bibliographic Details
Published in:Chinese physics B 2014-04, Vol.23 (4), p.048106-1-048106-5
Main Authors: Liu, Si-Jia, Peng, Tong-Jiang, Song, Zhen, Bian, Liu, Song, Gong-Bao, Liu, Quan-Lin
Format: Article
Language:English
Subjects:
Concentration (composition)
Garnets
Phosphors
Photoluminescence
Precursors
Solid solubility
Solid solutions
YAG
Online Access:Get full text
Tags: Add Tag
No Tags, Be the first to tag this record!
Description
Summary:Trivalent cerium-doped yttrium aluminum garnet (YAG:Ce super(3+)) phosphors are synthesized by solid-state reaction method through using (Y sub(1-x)Ce sub(x)) sub(2)O sub(3) solid solutions as precursors. Solid solubility limits of Ce super(3+) replacing Y super(3+) in Y sub(2)O sub(3) and YAG are determined to be 40% and 7.5%, respectively, based on the relationship between the lattice parameter and chemical composition. Using (Y sub(1-x)Ce sub(x)) sub(2)O sub(3) as precursors we synthesize YAG:Ce super(3+) single phase at 1450 [degrees]C and N sub(2) atmosphere. However, under the same conditions using CeO sub(2) there exists a second phase YAlO sub(3) as impurity. The photoluminescence intensity of YAG:Ce super(3+) increases monotonically with the increase of Ce concentration until it reaches a maximum at solid solubility limits of Ce super(3+) in YAG.
ISSN:1674-1056
1741-4199
DOI:10.1088/1674-1056/23/4/048106