Visible upconversion luminescence of Yb co-doped Gd2Zr2O7:Er prepared by a solution combustion reaction

被引：7

作者：

Singh, Vijay ^{[1
]}

Rai, V. K. ^{[2
]}

Gao, H. ^{[1
]}

Singh, N. ^{[1
]}

Li, J. ^{[1
]}

Srivastava, Anoop K. ^{[3
]}

Kumaran, R. Senthil ^{[4
]}

Singh, P. K. ^{[5
]}

机构：

[1] Konkuk Univ, Dept Chem Engn, Seoul 143701, South Korea

[2] Indian Sch Mines, Dept Appl Phys, Dhanbad 826004, Bihar, India

[3] Chonbuk Natl Univ, Div Elect Engn, Jeonju 561756, Jeonbuk, South Korea

[4] Konkuk Univ, Dept Biol Engn, Seoul 143701, South Korea

[5] Sharda Univ, Mat Res Lab, Greater Noida 201310, India

来源：

JOURNAL OF MATERIALS SCIENCE-MATERIALS IN ELECTRONICS | 2016年 / 27卷 / 01期

关键词：

EMISSION; ER3+; NIR; PHOTOLUMINESCENCE; NANOPHOSPHOR; ENHANCEMENT; POWDERS; LIGHT;

D O I：

10.1007/s10854-015-3755-z

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

Phosphor powders of Gd2Zr2O7:Er3+ and Gd2Zr2O7:Er3+, Yb3+ have been prepared by the urea combustion route. Phase evolution of the synthesized powder is determined by X-ray diffraction techniques. Near infrared to visible frequency upconversion in the doped/codoped phosphors upon CW diode laser excitation at similar to 978 nm have been studied and an enhancement about similar to 26 and similar to 93 times in the green and red region observed in the Gd2Zr2O7:Er3+, Yb3+ compared to that of the Gd2Zr2O7:Er3+ phosphor. Based upon the ratio of green to red emission band and fluorescence intensity ratio, energy transfer from the Yb3+ to Er3+ ions has been observed to be a dominant process responsible for this enhancement in the visible region.

引用

页码：310 / 315

页数：6

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