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Transparent Ce:GdYAG ceramic color converters for high-brightness white LEDs and LDs
Liu, Xin; Zhou, Heyu; Hu, Zewang; Chen, Xiaopu; Shi, Yun; Zou, Jun; Li, Jiang
2019-02-01
Source PublicationOPTICAL MATERIALS
ISSN0925-3467
Volume88Pages:97
SubtypeArticle
AbstractTransparent Ce:GdYAG ceramic phosphors with different Gd3+ contents were successfully prepared by the solid-state reaction method. The absorption and emission properties were investigated at different temperatures. The highest luminous efficiency of 123.7 lm/W was obtained by Ce:YAG ceramic phosphor with the thickness of 1 mm. The addition of Gd3+ results in red-shift and broadening of the emission band of Ce3+ so that the color rendering index (CRI) increases and the correlated color temperature (CCT) decreases obviously after packaged with blue light-emitting diode (LED). The color coordinates of the Ce:GdYAG ceramic phosphor with 50% Gd3+ content based white light device are located at the theoretical white light point in the CIE-1931 chromaticity diagram. And the various CRI and adjustable CCT of warm white light emitted by this device and the high luminous efficiency make Ce:GdYAG ceramics the most promising candidate for high-brightness white LEDs and laser diodes(LDs) device.
KeywordCe:GdYAG ceramics Color converter Luminous efficiency
DOI10.1016/j.optmat.2018.11.031
Language英语
WOS Research AreaMaterials Science ; Optics
PublisherELSEVIER SCIENCE BV
Citation statistics
Cited Times:17[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.sic.ac.cn/handle/331005/27350
Collection中国科学院上海硅酸盐研究所
Recommended Citation
GB/T 7714
Liu, Xin,Zhou, Heyu,Hu, Zewang,et al. Transparent Ce:GdYAG ceramic color converters for high-brightness white LEDs and LDs[J]. OPTICAL MATERIALS,2019,88:97.
APA Liu, Xin.,Zhou, Heyu.,Hu, Zewang.,Chen, Xiaopu.,Shi, Yun.,...&Li, Jiang.(2019).Transparent Ce:GdYAG ceramic color converters for high-brightness white LEDs and LDs.OPTICAL MATERIALS,88,97.
MLA Liu, Xin,et al."Transparent Ce:GdYAG ceramic color converters for high-brightness white LEDs and LDs".OPTICAL MATERIALS 88(2019):97.
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