Citation:
YAN Jing-Hui, LI Zhong-Tian, ZHANG Hai-Yan, WANG Lin-Kun, CAO Liang-Jun, Qi Yun-Yun, SHI Chun-Shan. Synthesis and Fluorescence of BaYF5:Ce3+ Nanoparticles[J]. Chinese Journal of Applied Chemistry,
;2008, 25(2): 254-256.
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BaYF5:Ce3+ nanoparticles were synthesized from the quaternary water/CTAB/bulanol/octane microemulsion system.The complex fluorides were characterzed by means of X-ray powder diffraction(XRD),environmental scanning electron microscopy(ESEM) and fluorescence spectrometry.XRD analysis shows that the products are in accord with the standard JCPDS card NO.18-715,the products are single phase and the crystal structure of BaYF5:Ce3+ particles is not changed obviously.The average grain size of the products is about 20 nm obtained from the ESEM.The fluorescence of BaYF5:Ce3+ particles was observed.The emission peak located at 330 nm is attributed to the d→f transition of Ce3+.Compared with those of the powder crystal prepared by high temperature solid reaction,the emission peaks of the fluorescent spectra showed a blue shift of 5 nm.
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Keywords:
- BaYF5:Ce3+,
- nanoparticle,
- microemulsion
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