蓝色和红色发光的Eu激活CaMgSi/sub 2/O/sub 6/ VUV荧光粉

ICSE 2000. 2000 IEEE International Conference on Semiconductor Electronics. Proceedings (Cat. No.00EX425) Pub Date : 2000-11-13 DOI:10.1109/SMELEC.2000.932449

A. Daud, T. Kunimoto, R. Yoshimatsu, K. Ohmi, S. Tanaka, H. Kobayashi

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引用次数: 0

摘要

研究了CaMgSi/sub 2/O/sub 6/:Eu (CMS:Eu)粉末荧光粉在真空紫外(VUV)激发下的蓝色和红色发射特性。以EuF/sub - 3/或Eu/sub - 2/O/sub - 3/为原料，可分别合成具有Eu/sup - 2+/或Eu/sup - 3+/活化剂的近单相CMS粉末荧光粉。在紫外激发下，CMS主体的PL光谱显示Eu/sup 2+/有良好的蓝色发射，Eu/sup 3+/有良好的红色发射。目前，CMS:Eu/sup 2+/在147 nm激发下的发光强度约为BAM:Eu/sup 2+/的50%。

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Blue and red emitting Eu activated CaMgSi/sub 2/O/sub 6/ VUV phosphors

CaMgSi/sub 2/O/sub 6/:Eu (CMS:Eu) powder phosphors showing blue and red emissions were examined for vacuum UV (VUV) excitation applications. Nearly single phased CMS powder phosphors with either Eu/sup 2+/ or Eu/sup 3+/ activator can be synthesized using EuF/sub 3/ or Eu/sub 2/O/sub 3/ as source material, respectively. Under VUV excitation, the PL spectra show a good blue emission from Eu/sup 2+/ and a good red emission from Eu/sup 3+/ in the CMS host. At present, the PL intensity of CMS:Eu/sup 2+/ under 147 nm excitation is about 50 % that of BAM:Eu/sup 2+/.

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ICSE 2000. 2000 IEEE International Conference on Semiconductor Electronics. Proceedings (Cat. No.00EX425)

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