Journal of Inorganic Materials ›› 2023, Vol. 38 ›› Issue (1): 97-104.DOI: 10.15541/jim20220169
• RESEARCH ARTICLE • Previous Articles Next Articles
LU Chenhui(), GE Wanyin(
), SONG Panpan, ZHANG Panfeng, XU Meimei, ZHANG Wei
Received:
2022-03-02
Revised:
2022-05-09
Published:
2023-01-20
Online:
2022-08-26
Contact:
GE Wanyin, professor. E-mail: gewanyin@sust.edu.cnAbout author:
LU Chenhui (1996-), male, Master candidate. E-mail: 1429653804@qq.com
Supported by:
CLC Number:
LU Chenhui, GE Wanyin, SONG Panpan, ZHANG Panfeng, XU Meimei, ZHANG Wei. Luminescence Property of Eu Doped SiAlON Phosphors for White LEDs[J]. Journal of Inorganic Materials, 2023, 38(1): 97-104.
Fig. 1 XRD pattern, structure diagram and synthetic route of β-Si5AlON7:Eu (a) XRD pattern; (b) Structure diagram; (c) Synthetic route of β-Si5AlON7:Eu Colorful figures are available on website
Fig. 3 Total XPS spectrum of β-Si5AlON7:Eu and the XPS fitting spectra of each element (a) XPS total spectrum; (b) Si2p; (c) Al2p; (d) O1s; (e) N1s; (f) Eu3d
Fig. 4 Excitation and emission spectra of β-Si5AlON7:Eu and energy level transition of rare earth ion Eu2+ (a) Excitation and emission spectra; (b) Energy level transition of rare earth ion Eu2+
Fig. 5 Variation of photoluminescence intensity and thermal activation energy fitting patterns of β-Si5AlON7:Eu and YAG:Ce3+ powders at different test temperatures (a, b) β-Si5AlON7:Eu; (c, d) YAG:Ce3+
Fig. 6 Changes of EL spectra of white LEDs compounded with β-Si5AlON7:Eu under different currents, EL chromatographic range of LEDs and pictures of real objects (a) EL spectra changes; (b) EL chromatographic range and real pictures
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