Eu3+对Na3Gd2(BO3)3∶Tb3+发光性能的影响及其能量传递

doi:10.11896/j.issn.1005-023X.2017.06.002

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Abstract Na₃Gd_2-x-y(BO₃)₃∶ xTb³⁺,yEu³⁺ phosphors were prepared by a high-temperature solid state reaction method. The phase composition, morphology, luminescence properties and energy transition of the phosphors were analyzed. The results show that the Na₃Gd_2-x(BO₃)₃∶xTb³⁺ phosphors can be efficiently stimulated by UV and near-UV light. Under 368 nm excitation, the best doping amount of Tb³⁺ is x=0.04 and the emission light is green.With the doping of Eu³⁺ in Na₃Gd_1.96(BO₃)₃∶0.04Tb³⁺,Tb³⁺ acts as an efficient sensitizer,which could enhance the emission intensity of Eu³⁺ by transferring absorbed excitation energy through dipole-dipole interaction mechanism. The energy transfer efficiency increases with the increase of the Eu³⁺. The emission intensity of Eu³⁺ increases and the emission intensity of Tb³⁺ decreases, leading to the multi-color emission tunability of Na₃Gd_1.96-y-(BO₃)₃∶0.04Tb³⁺,yEu³⁺ phosphors, and the emission color varies from green to orange.

Key words： phosphor Na₃Gd₂(BO₃)₃∶Tb³⁺ Eu³⁺ emitting color energy transfer

Published: 25 March 2017 Online: 2018-05-02

CLC number:	TB34
	O482

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	Articles by authors
	REN Qiang
	WEI Tengyue
	WU Xiulan
	HUO Zhezhe
	WANG Baoxing

Cite this article:

REN Qiang,WEI Tengyue,WU Xiulan, et al. Influence of Eu³⁺ Doping on Luminescence Properties of Na₃Gd₂(BO₃)₃∶Tb³⁺
and the Relevant Energy Transfer Mechanism[J]. Materials Reports, 2017, 31(6): 7-10.

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https://www.mater-rep.com/EN/10.11896/j.issn.1005-023X.2017.06.002 OR https://www.mater-rep.com/EN/Y2017/V31/I6/7

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