河北师范大学学报—

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刊名：河北师范大学学报（自然科学版）Journal of Hebei Normal University (Natural Science)
主办：河北师范大学
ISSN： 1000-5854
CN： 13-1061/N
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稀土离子掺杂硼硅酸盐玻璃上转换发光性能研究

江西现代职业技术学院环境与能源学院, 江西南昌 330029
DOI： 10.13763/j.cnki.jhebnu.nse.2018.04.010

Up-conversion Luminescence Performance of Rare Earth Ions Doped Borosilicate Glasses

CHEN Yuping, LI Jianli

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摘要/Abstract

摘要：

采用高温固相法分别合成了单掺铕、铕铒共掺、铕镱铒共掺以及铒钬共掺的硼硅酸盐玻璃，研究了掺杂离子的掺杂浓度对荧光强度的影响，并详细分析了不同离子掺杂的硼硅酸盐玻璃的上转换发光机理.在泵浦波长为978nm时，硼硅酸盐玻璃呈现橙红色光（590nm，Eu³⁺的⁵D₀→⁷F₁跃迁），红色光（610nm，Eu³⁺的⁵D₀→⁷F₁跃迁；695nm，Eu³⁺的⁵D₀→⁷F₄跃迁），绿色光（552nm，Ho³⁺的⁵S₂→⁵I₈及Er³⁺的⁴S_3/2→⁴I_15/2跃迁）.研究表明：Er³⁺作为激活剂，Eu³⁺与Er³⁺之间存在能量传递，Yb³⁺做了敏化剂，增加了Er³⁺的上转换发光效率，Ho³⁺与Er³⁺之间存在着能量传递.

Abstract：

In this paper,RE doped borosilicate glasses were prepared by high-temperature melting,including Eu³⁺ doped,Eu³⁺/Er³⁺,Er³⁺/Yb³⁺ and Er³⁺/Ho³⁺co-doped samples.The influence of the doping concentration of ions on the fluorescence intensity was studied and the up-conversion luminescence mechanism of different ion doped borosilicate glass phosphors was analyzed in detail.The phosphor exhibits orange red light at 590nm (Eu³⁺,⁵D₀→⁷F₁ transition), red light at 610nm (Eu³⁺,⁵D₀→⁷F₁ transition) and 695nm (Eu³⁺,⁵D₀→⁷F₄ transition),green light at 552nm (Ho³⁺,⁵S₂→⁵I₈ and Er³⁺,⁴S_3/2→⁴I_15/2 transition) under 978 nm,respectively.This research shows that Er³⁺ acts as activator,and there is energy transfer between Eu³⁺ and Er³⁺,the Yb³⁺ ion is used as sensitizer,and the up-conversion luminescence efficiency of Er³⁺ is increased.There is energy transfer between Ho³⁺ and Er³⁺.

关键词

关键词： 高温固相烧结法 ; 硼硅酸盐 ; Ho³⁺ ; 上转换发光

Key words： high-temperature melting ; borosilicate ; Ho³⁺ ; up-conversion luminescence

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