YANG Zhi-ping, SONG Zhao-feng, MA Xin, WANG Feng-he, GUO Ying-nan, WEN Jian-wei. Preparation and Luminescent Properties of Green CaBa<sub>2</sub>(BO<sub>3</sub>)<sub>2</sub> ∶ Tb<sup>3+</sup> Phosphor[J]. 发光学报, 2010,31(5): 724-727
YANG Zhi-ping, SONG Zhao-feng, MA Xin, WANG Feng-he, GUO Ying-nan, WEN Jian-wei. Preparation and Luminescent Properties of Green CaBa<sub>2</sub>(BO<sub>3</sub>)<sub>2</sub> ∶ Tb<sup>3+</sup> Phosphor[J]. 发光学报, 2010,31(5): 724-727DOI:
Preparation and Luminescent Properties of Green CaBa2(BO3)2 ∶ Tb3+ Phosphor
green phosphor was synthesized by the general high temperature solid-state reaction and its luminescence properties were investigated. It shows four major emission peaks locating at 496
549
588 and 622 nm
corresponding to the
5
D
4
7
F
6
5
D
4
7
F
5
5
D
4
7
F
4
and
5
D
4
7
F
3
typical transition of Tb
3+
respectively. The most intense peaks located at 496 nm and 549 nm
the phosphor shows excellent green emission.The excitation spectra contains a abroad band extending from 200 nm to 300 nm
which correspond to 4f
7
-5d
1
broadband absorption. The effects of doped Tb
3+
concentration and charge compensating of Li
+
Na
+
and K
+
on the emission intensity were also investigated: the concentration quench phenomenon does not appear nearly and Li
+
gives the best improvement to enhance the intensity of the emission.Make sure the best mixture ratio of raw material which are CaCO
3
BaCO
3
H
3
BO
3
. Emission intensity of synthetic crystal is the best
when H
3
BO
3
is excessive to 3%.
关键词
Keywords
references
Ding Shijin, Zhang Davidwei, Wang Pengfei, et al. Preparation and photo luminescence of the Ce, Tb and Gd doped lanthanum borophosphate phosphor
. Materials Chem. and Phys., 2001, 68 (1-3):98.
Shu Wanyin, Zheng Linzhi, Zhou Zhongcheng. Research progress on rare earth borate phosphors
. Chin. Rare Earth(稀土), 2002, 23 (6):77-79 (in Chinese).
Kang Kai, Zhuang Weidong, He Dawei, et al. Luminescent properties and preparation of CeMgAl11O19 ∶ Tb green phosphor
. J. Chin. Soc. Rare Earth (中国稀土学报), 2004, 22 (2):206-209 (in Chinese).
Gai Tongxinag, Chang Shulan. Study on the photoluminescent material taking borate as host
. J. Yanbian Univ. (Nat. Sci.) (延边大学学报,自然科学版), 1997, 26 (3):60-65 (in Chinese).
Zeng Xiaoqing, Im Seoungjae, Jang Sanghun, et al. Luminescent properties of (Y, Gd)BO3 ∶ Bi3+ , RE3+(RE= Eu,Tb) phosphor under VUV /UV excitation
. J. Lumin., 2006, 121 (1):1-6.
Tian Lianhua, Kim Seung-Joo, Lee Park Hong, et al. Variation of the photoluminescence and vacuum ultraviolet excitation characteristics of BaZr(BO3)2 ∶ Eu3+ by the incorporation of Al3+, La3+, or Y3+ into the lattice
. Mat. Res. Bull., 2006, 41 (1):29-37.
Yang Zhiping, Lu Yajuan, Li Xiaoning, et al. Luminescence properties of LiBaB9O15 ∶ Eu3+ red phosphor for white light-emitting diodes
. J. Chin. Ceramic Soc. (硅酸盐学报), 2009, 37 (3):458-461 (in Chinese).
Yang Zhiping, Yang Guangwei, Wang Shaoli, et al. Synthesis and luminescent properties of BaZnP2O7 ∶ Eu3+ salmon pinemitting phosphor
. Chem. J. Chin. Universities (高等学校化学学报), 2007, 28 (9):1631-1633 (in Chinese).
Sun Lingdong, Qian Cheng, Liao Chunsheng, et al. Luminescent properties of Li+ doped nanosized Y2O3 ∶ Eu3+
. Solid State Commun., 2001, 119 (6):393-396.
Yu Xibin, Yang Liangzhun, Yang Shiping, et al. Synthesis and luminescence of SrZnO2 ∶ Eu3+, Li+ phosphor by long wavelength UV excitation
. J. Chin. Soc. Rare Earth (中国稀土学报), 2005, 23 (5):533-536 (in Chinese).