Optical spectroscopy of Dy3+ doped Lithium borate glasses for luminescence applications

被引：0

作者：

Damdee, Benchaphorn ^{[1
,2
]}

Kirdsiri, Keerati ^{[1
,2
]}

Kaewkhao, Jakrapong ^{[1
,2
]}

机构：

[1] Nakhon Pathom Rajabhat Univ, Fac Sci & Technol, Phys Program, Meuang 73000, Nakhon Pathom, Thailand

[2] Nakhon Pathom Rajabhat Univ, Ctr Excellence Glass Technol & Mat Sci CEGM, Nakhon Pathom 73000, Thailand

来源：

2015 4TH INTERNATIONAL CONFERENCE ON INSTRUMENTATION, COMMUNICATIONS, INFORMATION TECHNOLOGY, AND BIOMEDICAL ENGINEERING (ICICI-BME) | 2015年

关键词：

Borate Glass; Dy3+ ion; Judd-Ofelt; Optical properties; Photoluminescence properties; WHITE-LIGHT EMISSION; JUDD-OFELT ANALYSIS; BOROPHOSPHATE GLASSES; IONS;

D O I：

暂无

中图分类号：

R318 [生物医学工程];

学科分类号：

0831 ;

摘要：

Dy3+ ion embedded in 50Li(2)O : 20CaO : (30-x)B2O3 : xDy(2)O(3) (x = 0.00, 0.10, 0.30, 0.50, and 1.0 mol%) glass matrices are prepared and investigated their optical absorption and photoluminescence (PL) as a function of different concentrations of Dy3+ ions. Based on the Judd-Ofelt theory, three spectral intensity parameters Omega(lambda) (lambda = 2, 4, 6) are calculated from absorption spectra. The PL spectra show two intense and one weak band due to F-4(9/2) -> H-6(15/2) (blue), H-6(13/2) (yellow) and H-6(11/2) (red) transitions respectively. For these transitions luminescence properties are studied. With the increase in the concentration of Dy3+ ions, intensity increases up to 0.5 mol% and then concentration quenching is observed.

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页码：260 / 263

页数：4

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