Luminescence properties of Tb3+ - Sm3+ codoped glasses for white light emitting diodes

Xiaoluan Liang; Yunxia Yang; Chaofeng Zhu; Shuanglong Yuan; Guorong Chen; Allan Pring; Fang Xia

doi:10.1063/1.2776857

Luminescence properties of Tb3+ - Sm3+ codoped glasses for white light emitting diodes

Xiaoluan Liang, Yunxia Yang, Chaofeng Zhu, Shuanglong Yuan, Guorong Chen, Allan Pring, Fang Xia

Research output: Contribution to journal › Article › peer-review

109 Citations (Scopus)

Abstract

Photoluminescence properties of silicate and borosilicate glasses codoped with Tb3+ and Sm3+ ions have been characterized by excitation and emission spectroscopies. When excited by ultraviolet light the glasses emit a combination of green and orange-red wavelengths giving white light. The ratio of the intensities of orange-red to green emissions can be tuned by varying both the concentration of the Sm3+ ion and an the composition of the glass matrix. The excitation and emission spectra show a self-quenching effect for the Sm3+ ions and an energy transfer from Tb3+ (D45) to Sm3+ (G 52 4).

Original language	English
Article number	091104
Number of pages	4
Journal	Applied Physics Letters
Volume	91
Issue number	9
DOIs	https://doi.org/10.1063/1.2776857
Publication status	Published - 7 Sep 2007
Externally published	Yes

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abstract = "Photoluminescence properties of silicate and borosilicate glasses codoped with Tb3+ and Sm3+ ions have been characterized by excitation and emission spectroscopies. When excited by ultraviolet light the glasses emit a combination of green and orange-red wavelengths giving white light. The ratio of the intensities of orange-red to green emissions can be tuned by varying both the concentration of the Sm3+ ion and an the composition of the glass matrix. The excitation and emission spectra show a self-quenching effect for the Sm3+ ions and an energy transfer from Tb3+ (D45) to Sm3+ (G 52 4).",

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AU - Liang, Xiaoluan

AU - Yang, Yunxia

AU - Zhu, Chaofeng

AU - Yuan, Shuanglong

AU - Chen, Guorong

AU - Pring, Allan

AU - Xia, Fang

PY - 2007/9/7

Y1 - 2007/9/7

N2 - Photoluminescence properties of silicate and borosilicate glasses codoped with Tb3+ and Sm3+ ions have been characterized by excitation and emission spectroscopies. When excited by ultraviolet light the glasses emit a combination of green and orange-red wavelengths giving white light. The ratio of the intensities of orange-red to green emissions can be tuned by varying both the concentration of the Sm3+ ion and an the composition of the glass matrix. The excitation and emission spectra show a self-quenching effect for the Sm3+ ions and an energy transfer from Tb3+ (D45) to Sm3+ (G 52 4).

AB - Photoluminescence properties of silicate and borosilicate glasses codoped with Tb3+ and Sm3+ ions have been characterized by excitation and emission spectroscopies. When excited by ultraviolet light the glasses emit a combination of green and orange-red wavelengths giving white light. The ratio of the intensities of orange-red to green emissions can be tuned by varying both the concentration of the Sm3+ ion and an the composition of the glass matrix. The excitation and emission spectra show a self-quenching effect for the Sm3+ ions and an energy transfer from Tb3+ (D45) to Sm3+ (G 52 4).

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JO - Applied Physics Letters

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Luminescence properties of Tb3+ - Sm3+ codoped glasses for white light emitting diodes

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