化工新型材料

化工新型材料 ›› 2022, Vol. 50 ›› Issue (11) : 116-120. DOI: 10.19817/j.cnki.issn1006-3536.2022.11.023

新材料与新技术

钒磷酸钇掺镝纳米材料的合成及其光学性能研究

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^1,2*

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Synthesis and optical property of Dy³⁺-doped vanadium-phosphate yttrium nanomaterials

Peng Huan^1,2, Zeng Hongyan^1,2, Wang Yong¹, Zeng Huihui^1,2, Liu Fang^1,2, Huang Jian^1,2

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Received		Published
2021-07-24		2022-11-20
Issue Date	Revised Date
2022-11-30	2021-07-24

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摘要

稀土钒磷酸盐中VO^3-₄被PO^3-₄部分取代,可显著地提高V-V之间的能量传递,使荧光粉的发光性能进一步优化。为提高荧光发光性能和稳定性,以稀土Dy³⁺作为发光中心,采用水热法180℃合成Y(P_0.75V_0.25O₄)∶Dy³⁺纳米荧光材料,调控Dy³⁺掺量为3%,V/P=1/3时,荧光强度最佳。在弱碱性条件下,反应3h时有利于材料荧光性能提高,衰减时间为240μs,稳定性较好。

Abstract

The partially replacement of VO^3-₄ by PO^3-₄ n rare earth vanadium can significantly increase the energy transfer between V-V and enhance the luminescent properties of phosphors.In order to improve its fluorescence emission performance and stability,Y(P_0.75V_0.25O₄)∶Dy³⁺ nano-fluorescent material was synthesized by hydrothermal method with vanadium phosphate yttrium and doped with rare earth Dy³⁺ at 180℃.The fluorescence intensity was optimal in the presence of of 3% Dy³⁺ and V/P=1/3.Under weak alkaline conditions,the reaction for 3h was beneficial for the improvement of the fluorescence properties of the materials.The decay time was 240μs,which presenting excellent stability.

关键词

稀土发光 / 钒磷酸盐 / 水热法 / 纳米材料

Key words

rare earth luminescence / vanadium phosphate / hydrothermal method / nano-materials

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钒磷酸钇掺镝纳米材料的合成及其光学性能研究[J]. 化工新型材料, 2022, 50(11): 116-120 DOI:10.19817/j.cnki.issn1006-3536.2022.11.023

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