Yajuan Zhao, Xiaoduan Wang, Menglin Wu, Zhao Li, Huidong Xie, Lijun Chen, Shuangli Chen. Study on Preparation of Novel Red Fluorescent Powder of K6Ba4B8O19∶x %Eu
3+ by Solid Phase Method
[J]. Acta Optica Sinica, 2018, 38(5): 0516001
- Acta Optica Sinica
- Vol. 38, Issue 5, 0516001 (2018)
Fig. 1. XRD patterns of K6Ba4B8O19 sintered at 750 ℃
Fig. 2. XRD patterns of K6Ba4B8O19∶5%Eu3+ sintered at different temperatures
Fig. 3. Excitation spectrum of K6Ba4B8O19∶5%Eu3+
Fig. 4. Emission spectrum of K6Ba4B8O19∶5%Eu3+
Fig. 5. CIE1931 chromaticity diagram of K6Ba4B8O19∶5%Eu3+
Fig. 6. Fluorescence intensity of K6Ba4B8O19∶x%Eu3+ versus Eu3+ dosage
Fig. 7. Ultraviolet-visible absorption spectrum of K6Ba4B8O19∶5%Eu3+
Fig. 8. SEM images of K6Ba4B8O19∶Eu3+. (a) Magnified by 2000 times; (b) magnified by 5000 times
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