期刊
CERAMICS INTERNATIONAL
卷 41, 期 10, 页码 14394-14399出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.ceramint.2015.07.073
关键词
Eu(FOD)(3); EuOF; Nanoceramics; Sublimation; Thermal decomposition
资金
- Council of University of Kashan, Iran [159271/125]
Highly luminescence europium oxyfluoride (EuOF) nanoceramics with great surface were synthesized by thermal decomposition of Eu(OCC(CH3)(3)CHCOC3F7)(3) (Eu(FOD)(3)) nanostructures as precursor at 400 degrees C and ambient atmosphere without adding external additive. Eu(FOD)(3) nanostructures were prepared by a sublimation method at various temperatures and the effect of sublimation temperature on morphology and size of products was investigated. The as-prepared Eu(FOD)(3) nanostructures were characterized by a field emission scanning electron microscope (FESEM), Fourier transform infrared (FT-IR), energy dispersive X-ray spectroscopy (EDS) and X-ray diffraction pattern (XRD). The minimum of sublimation temperature was 170 degrees C and the product obtained in this condition was chosen as a desired precursor to synthesize of EuOF nanoparticles. The as-prepared EuOF nano-sized ceramic was characterized by using FESEM, FT-IR, EDS, XRD and a transmittance electron microscope (TEM). The optical emission of EuOF nanoceramics was characterized by photoluminescence spectrum (PL). (C) 2015 Elsevier Ltd and Techna Group S.r.l. All rights reserved.
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