Journal
JOURNAL OF ELECTRONIC MATERIALS
Volume 47, Issue 8, Pages 4929-4935Publisher
SPRINGER
DOI: 10.1007/s11664-018-6377-4
Keywords
High-temperature solid-state method; phosphors; energy transfer; optical materials
Categories
Funding
- Science Foundation of Guangxi Province [2016GXNSFDA380036]
- National Natural Science Foundation of China [61664002]
- Students Innovation and Entrepreneurship Training Program of Guangxi University [201610593040]
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Ba2Mg2Al6Si9O30 (BMAS):Ce3+, Tb3(+) phosphor powder was synthesized by a high-temperature solid-state method. The excitation spectra of BMAS:Ce3+, Tb3+ phosphors showed a strong and broad absorption band, which ranged from 220 nm to 380 nm. With the excitation of 350 nm, the characteristic emission peaks centered at 544 nm of Tb3+ and at 420 nm of Ce3+ were observed. With increased Ce3+ concentration from 0.01 to 0.13, energy-transfer efficiency increased from 3.26% to 76.59%. Adjustment of the Ce3+ to Tb3+ ratio can induce the emission peak of the samples to change from blue to green.
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