Protected-annealing regulated defects to improve optical properties and luminescence performance of Ce:YAG transparent ceramics for white LEDs

Ce:YAG transparent ceramic, a promising photo-converter for white LED lighting, faces a significant obstacle of post-annealing treatments, which allow the simultaneous elimination of defections and the regulation of the redox state of Ce. In this paper, vacuum as-sintered high quality Ce:YAG ceramic...

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Veröffentlicht in:	Journal of materials chemistry. C, Materials for optical and electronic devices Materials for optical and electronic devices, 2019-04, Vol.7 (14), p.457-465
Hauptverfasser:	Sun, Bingheng, Zhang, Le, Zhou, Tianyuan, Shao, Cen, Zhang, Lei, Ma, Yuelong, Yao, Qing, Jiang, Zhigang, Selim, Farida A, Chen, Hao
Format:	Artikel
Sprache:	eng
Schlagworte:	Absorption spectra Annealing Ceramics Charge transfer Color centers Converters Defect annealing Diodes Electromagnetic absorption Light emitting diodes Lighting Luminescence Luminous efficacy Microstructure Optical properties Phosphors
Online-Zugang:	Volltext
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