Inorganic Chemistry
Inorganic Chemistry
5 years ago

YScSi4N6C:Ce3+A Broad Cyan-Emitting Phosphor To Weaken the Cyan Cavity in Full-Spectrum White Light-Emitting Diodes

YScSi4N6C:Ce3+A Broad Cyan-Emitting Phosphor To Weaken the Cyan Cavity in Full-Spectrum White Light-Emitting Diodes
Yanfeng Li, Chunpei Yan, Xiaole Ma, Yuanhong Liu, Weidong Zhuang, Zhanning Liu, Xianran Xing, Ronghui Liu, Guantong Chen
A novel carbonitride, YScSi4N6C, has been synthesized, and its structure has been characterized. Ce3+-doped YScSi4N6C emits cyan light with a broad asymmetric emission band. A white light-emitting diode prepared by combining YScSi4N6C:Ce3+ (blue), β-sialon:Eu2+ (green), and CaAlSiN3:Eu2+ (red) phosphors with a near-UV chip (λem = 405 nm) emits white light with a CRI of 94.7 and a CCT of 4159 K, and the R12 index of the white light was 88.

Publisher URL: http://dx.doi.org/10.1021/acs.inorgchem.7b01408

DOI: 10.1021/acs.inorgchem.7b01408

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