Alkali Metal Ion， Gd3+， Ce3+ Co-doped Lu3Al5O12 Optical Properties of Ceramic Powder

Yunfeng BAI; Linxiang WANG; Qing LI; [in Chinese]

doi:10.3788/gzxb20215004.0416002

Journals >Acta Photonica Sinica >Volume 50 >Issue 4 >Page 163 > Article

Acta Photonica Sinica
Vol. 50, Issue 4, 163 (2021)

Alkali Metal Ion， Gd³⁺， Ce³⁺ Co-doped Lu₃Al₅O₁₂Optical Properties of Ceramic Powder

Yunfeng BAI^1、2、3, Linxiang WANG^1、2、3, Qing LI^1、2、3, and [in Chinese]^1、2、3

Author Affiliations

¹College of Physics and Electronic Engineering， Xinjiang Normai University，Urumqi830054 ， China

²Key Laboratory of Mineral Luminescence and Microstructure， Xinjiang Normal University， Urumqi830054， China

³Laboratory of Novel Light Source and Micro/Nano-Optics， Xinjiang Normal University， Urumqi80054， China

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DOI: 10.3788/gzxb20215004.0416002 Cite this Article

Yunfeng BAI, Linxiang WANG, Qing LI, [in Chinese]. Alkali Metal Ion， Gd³⁺， Ce³⁺ Co-doped Lu₃Al₅O₁₂Optical Properties of Ceramic Powder[J]. Acta Photonica Sinica, 2021, 50(4): 163 Copy Citation Text

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XRD patterns of different concentrations of alkali metal ions and Gd3+ doped in Lu2.97Al5O12：1%Ce3+ sample

Fig. 1. XRD patterns of different concentrations of alkali metal ions and Gd³⁺ doped in Lu_2.97Al₅O₁₂：1%Ce³⁺ sample

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Excitation and emission spectra of Lu2.97Al5O12：1%Ce3+sample doped with different concentrations of Gd3+

Fig. 2. Excitation and emission spectra of Lu_2.97Al₅O₁₂：1%Ce³⁺sample doped with different concentrations of Gd³⁺

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Fig. 3. Energy level diagram of Ce³⁺ in Lu₃Al₅O₁₂ matrix

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Fig. 4. Excitation spectrum and emission spectrum of (Gd_xM_yLu_0.99-_x-y)₃Al₅O₁₂：1%Ce³⁺sample

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Fig. 5. Intensity of excitation peak and emission peak of Ce³⁺ in (Gd_0.01M_yLu_0.98-_y)₃Al₅O₁₂:1%Ce³⁺ sample

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Fig. 6. Energy level decay curve of (Gd_xM_yLu_0.99-_x-y)₃Al₅O₁₂：1%Ce³⁺ powder(λ_ex=350 nm)

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Fig. 7. CIE of (Gd_xLi_yLu_0.99-_x-y)₃Al₅O₁₂：1%Ce³⁺ powder

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yCe⁺	Size/m	xGd³⁺	Size/m	2%Li⁺，xGd³⁺	Size/m	yLi⁺	Size/m	yNa⁺	Size/m	yK⁺	Size/m	yCs⁺	Size/m
0	745	0	771	/	/	0	759	0	759	0	759	0	759
0.01	759	0.01	759	0.01	621	0.005	811	0.005	783	0.005	777	0.005	771
/	/	0.25	698	0.25	989	0.01	834	0.01	818	0.01	802	0.01	793
/	/	0.5	576	0.5	1 281	0.02	893	0.02	869	0.02	854	0.02	821
/	/	0.75	480	0.75	1 587	0.05	1 018	0.05	995	0.05	962	0.05	932
/	/	/	/	/	/	0.1	1 248	0.1	1 205	0.1	1 142	0.1	1 066

Table 1. The grain size of (Gd_xM_yLu_0.99-_x-y)₃Al₅O₁₂：1%Ce³⁺ sample synthesized after calcination at 1600℃ for 5 h

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Sample/mol	λ/nm	x=0
y=0	365.0
y=0	254.0
y=0.02	365.0	/
y=0.02	254.0	/

Table 2. (Gd_xLi_yLu_0.99-_x-y)₃Al₅O₁₂：1%Ce³⁺Sample color under ZF-6 type three-purpose UV analyzer lamp (λ=365.0 nm and λ=254.0 nm)

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Ion concentration

/mol

x=0

y=0

x=0.01

y=0

x=0.25

y=0

x=0.5

y=0

x=0.75

y=0

x=0.01

y=0.02

M=Li⁺

x=0.01

y=0.02

M=Na⁺

x=0.01

y=0.02

M=K⁺

x=0.01

y=0.02

M=Cs⁺

τ(Ce³⁺)/ns

50.53

50.38

47.16

43.96

37.08

48.97

48.76

48.55

48.96

Table 3. Energy level lifetime of Ce³⁺ in (Gd_xM_yLu_0.99-_x-y)₃Al₅O₁₂：1%Ce³⁺ phosphor(λ_ex=350 nm)

Yunfeng BAI, Linxiang WANG, Qing LI, [in Chinese]. Alkali Metal Ion， Gd³⁺， Ce³⁺ Co-doped Lu₃Al₅O₁₂Optical Properties of Ceramic Powder[J]. Acta Photonica Sinica, 2021, 50(4): 163

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