Wavelength-tunable barium gallate persistent luminescence phosphors with enhanced luminescence

Qianting Yang; Renagul Abdurahman; Tongsheng Yang; Xuefeng Sun

doi:10.3788/COL202220.031602

Chinese Optics Letters, Volume. 20, Issue 3, 031602(2022)

Wavelength-tunable barium gallate persistent luminescence phosphors with enhanced luminescence

Qianting Yang, Renagul Abdurahman^*, Tongsheng Yang, and Xuefeng Sun

Xinjiang Laboratory of Native Medicinal and Edible Plant Resources Chemistry, College of Chemistry and Environmental Sciences, Kashi University, Kashi 844007, China

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Figures & Tables(6)

Fig. 1. Emission spectra of BaGa₂O₄:Cr_x (x = 0, 0.006, 0.02, 0.04, 0.06, 0.08, and 0.10) PersL phosphors.

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Fig. 2. PersL curves of BaGa₂O₄, BaGa₂O₄:Cr_0.06, and Ba_0.14Ga₂O₄:Cr_0.06 PersL phosphors.

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Fig. 3. XRD patterns of BaGa₂O₄:Cr_x (x = 0, 0.006, 0.02, 0.04, 0.06, 0.08, and 0.10) PersL phosphors.

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Fig. 4. (a) Thermoluminescence glow curve of BaGa₂O₄:Cr_0.06 PersL phosphor; (b) NIR PersL mechanism in the BGO:Cr PersL phosphors.

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Fig. 5. Read-out (room temperature) pattern at (a) 5 min, (b) 10 min, (c) 30 min, and (d) 1 h after 254 nm UV light for 2 min.

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Table 1. Parameters of Afterglow Decay Curve Fitting

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Table 1. Parameters of Afterglow Decay Curve Fitting

Samples	$τ_{1} / s$	$A_{1}$	$τ_{2} / s$	$A_{2}$	$τ_{3} / s$	$A_{3}$	$τ_{a v} / s$	$R^{2}$
${BaGa}_{2} O_{4}$	3.90	406.06	0.66	12,172.33	31.50	52.53	5.09	0.9997
${BaGa}_{2} O_{4} : {Cr}_{0.06}$	4.06	1786.91	15.79	385.69	79.72	112.63	36.37	0.9997
${Ba}_{0.14} {Ga}_{2} O_{4} : {Cr}_{0.06}$	5.92	4722.47	20.66	1105.57	90.89	359.05	41.21	0.9998

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Qianting Yang, Renagul Abdurahman, Tongsheng Yang, Xuefeng Sun, "Wavelength-tunable barium gallate persistent luminescence phosphors with enhanced luminescence," Chin. Opt. Lett. 20, 031602 (2022)

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Paper Information

Category: Optical Materials

Received: Nov. 18, 2021

Accepted: Dec. 29, 2021

Posted: Dec. 30, 2021

Published Online: Mar. 10, 2022

The Author Email: Renagul Abdurahman (renagul111@aliyun.com)

DOI:10.3788/COL202220.031602

Topics

laser devices and laser physics

Lasers and Laser Optics

Laser physics

laser manufacturing

Instrumentation, Measurement and Metrology