X-ray excited luminescence and persistent luminescence of Sr2MgSi2O7:Eu2+, Dy3+ and their associations with synthesis conditions

被引：28

作者：

Homayoni, Homa ^{[1
]}

Sahi, Sunil ^{[1
]}

Ma, Lun ^{[1
]}

Zhang, Junying ^{[2
]}

Mohapatra, Jeotikanta ^{[1
]}

Liu, Ping ^{[1
]}

Sotelo, Adriana P. ^{[3
]}

Macaluso, Robin T. ^{[3
]}

Davis, Thomas ^{[1
]}

Chen, Wei ^{[1
]}

机构：

[1] Univ Texas Arlington, Dept Phys, POB 19059, Arlington, TX 76019 USA

[2] Beihang Univ, Dept Phys, Beijing 100191, Peoples R China

[3] Univ Texas Arlington, Dept Chem & Biochem, Arlington, TX 76019 USA

来源：

JOURNAL OF LUMINESCENCE | 2018年 / 198卷

基金：

中国国家自然科学基金;

关键词：

Afterglow nanoparticle; X-ray excited luminescence; Silicate; Persistent luminescence; PHOTODYNAMIC THERAPY; CANCER-TREATMENT; PHOSPHOR; NANOPARTICLES; EU2+; PHOTOLUMINESCENCE; ACTIVATION; IONS;

D O I：

10.1016/j.jlumin.2018.02.042

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

For the first time, X-ray excited luminescence of Sr2MgSi2O7:Eu2+, Dy3+, an efficient persistent phosphor with good potential for lighting, biological imaging and photodynamic activation, is reported in this paper. A modified Sol-Gel method is used to synthesize Sr2MgSi2O7:Eu2+, Dy3+ phosphors and their luminescence properties are highly associated with the synthesis conditions. The dependences of the X-ray excited optical luminescence and persistent luminescence of Sr2MgSi2O7:Eu2+, Dy3+ on the reaction pH, temperature, ratio of Eu/Dy, and the calcination duration time are investigated and the association of the luminescence behaviors with the synthesis conditions is explored as a good strategy to optimize the phosphors for practical applications.

引用

页码：132 / 137

页数：6

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