Bright white light emission from (Gd3+/Dy3+) dual doped transparent lithium aluminum borate glasses for W- LED application

被引：16

作者：

Rittisut, W. ^{[1
]}

Wantana, N. ^{[2
,3
]}

Ruangtaweep, Y. ^{[2
,3
]}

Mool-am-kha, P. ^{[4
,5
]}

Padchasri, J. ^{[1
]}

Rujirawat, S. ^{[6
]}

Manyum, P. ^{[1
]}

Yimnirun, R. ^{[7
,8
]}

Kidkhunthod, P. ^{[6
]}

Prasatkhetragarn, A. ^{[9
]}

Kothan, S. ^{[10
]}

Kim, H. J. ^{[11
]}

Kaewkhao, J. ^{[2
,3
]}

机构：

[1] Suranaree Univ Technol, Inst Sci, Sch Phys, Res Network NANOTEC SUT Adv Nanomat & Characteriz, Nakhon Ratchasama 30000, Thailand

[2] Nakhon Pathom Rajabhat Univ, Fac Sci & Technol, Phys Program, Mueang Nakhon Pathom Dis 73000, Nakhon Pathom, Thailand

[3] Nakhon Pathom Rajabhat Univ, Ctr Excellence Glass Technol & Mat Sci, Mueang Nakhon Pathom Dis 73000, Nakhon Pathom, Thailand

[4] Chiang Mai Univ, Fac Sci, Dept Chem, Chiang Mai 50200, Thailand

[5] Chiang Mai Univ, Fac Sci, Res Lab Analyt Instrument & Electrochem Innovat, Chiang Mai 50200, Thailand

[6] Publ Org, Synchrotron Light Res Inst, 111 Univ Ave, Muang Dist 30000, Nakhon Ratchasa, Thailand

[7] Vidyasirimedhi Inst Sci & Technol VISTEC, Sch Energy Sci & Engn, Wangchan 21210, Rayong, Thailand

[8] Vidyasirimedhi Inst Sci & Technol VISTEC, Res Network NANOTEC VISTEC Nanotechnol Energy, Wangchan 21210, Rayong, Thailand

[9] Univ Phayao, Sch Sci, Appl Sci Program, Phayao 56000, Thailand

[10] Chiang Mai Univ, Fac Associated Med Sci, Ctr Radiat Res & Med Imaging, Dept Radiol Technol, Chiang Mai 50200, Thailand

[11] Kyungpook Natl Univ, Dept Phys, Daegu 702701, South Korea

来源：

OPTICAL MATERIALS | 2021年 / 122卷

关键词：

Borate glass; White-LEDs; Luminescence; LUMINESCENCE PROPERTIES; DY3+ IONS; BOROPHOSPHATE GLASSES; OPTICAL-PROPERTIES; ENERGY-TRANSFER; GENERATION; PHOTOLUMINESCENCE; RADIATION; TB3+; SM3+;

D O I：

10.1016/j.optmat.2021.111705

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The improving optical and luminescence properties of Dy3+ and Gd3+ dual doped lithium aluminum borate glasses with composition 25Li(2)O-5.0Al(2)O(3)-2.5Gd(2)O(3)-(67.5-X)B2O3-XDy2O3 glasses were successfully developed. The as-synthesis composite used conventional melt-quenching processes. All glass samples doped with Dy2O3 show an enhanced emission intensity (photo and radioluminescence spectra) with increasing the concentration of Dy2O3 up to 1.0 mol%, and beyond that, concentration quenching has occurred for all samples. The experi-mental decay times calculated from the decay profiles have been gradually declined with an increase in Dy3+ ion concentration. The chromaticity coordinates (CIE 1931) were located in the white light region of the color chromaticity diagram. The Dy-doping glasses synthesized show the prevalent presence of Dy(3+)also, the presence of the trivalent oxidation state in the glasses series. Therefore, the results confirm that the Dy3+-doped glasses could be useable for white-LEDs applications.

引用

页数：9

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