期刊
OPTICAL MATERIALS
卷 29, 期 4, 页码 431-434出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.optmat.2005.08.038
关键词
photoluminescence; nanocrystals; phosphate
Dy3+-doped YPO4 nanocrystals were synthesized by combustion method with urea as a fuel calcined at 600 degrees C. The as-prepared samples were characterized by X-ray diffraction (XRD), transmission electron micrograph (TEM) and photoluminescence (PL) spectroscopy. The obtained YPO4 nanocrystals appeared to be spherical with some agglomeration and their sizes ranged from 30 to 50 nm. The luminescence intensities were found to be strongly dependent on the concentration of Dy3+ ion and the additional quantities of urea. (c) 2005 Elsevier B.V. All rights reserved.
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