YANG Ying, CHEN Yong-jie, XIAO Lin-jiu etc. Synthesis and Luminescent Properties of Sr<sub>3</sub>B<sub>2</sub>O<sub>6</sub>:Eu<sup>3+</sup>,Li<sup>+</sup> Phosphor[J]. Chinese Journal of Luminescence, 2014,35(3): 317-321
YANG Ying, CHEN Yong-jie, XIAO Lin-jiu etc. Synthesis and Luminescent Properties of Sr<sub>3</sub>B<sub>2</sub>O<sub>6</sub>:Eu<sup>3+</sup>,Li<sup>+</sup> Phosphor[J]. Chinese Journal of Luminescence, 2014,35(3): 317-321 DOI: 10.3788/fgxb20143503.0317.
Synthesis and Luminescent Properties of Sr3B2O6:Eu3+,Li+ Phosphor
was prepared by high temperature solid-state method. The effects of the concentration of activating agent Eu
3+
and sensitizing agent Li
+
on luminescent properties of Sr
3
B
2
O
6
:Eu
3+
Li
+
were investigated. The results show that there is not obvious structure transformation of Sr
3
B
2
O
6
after appropriate amounts of Eu
3+
and Li
+
doping. The optimal doping content of Eu
3+
and Li
+
are 4% and 8%
respectively. The optimal temperature is 900 ℃ for 2 h. The phosphor Sr
3
B
2
O
6
:Eu
3+
Li
+
can be excited by 394 nm near-UV light and emits red light corresponding to the 4f-4f transition of Eu
3+
. Its strongest emission peak is attributed to the
5
D
0
7
F
2
transition of Eu
3+
at about 614 nm. The phosphor could be a promising red phosphor for white LED.
关键词
Keywords
references
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