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标题：Detailed Photoluminescence Study of Doped and Co-Doped CeF3:RE3+ (RE3+ : Nd3+ Sm3+ Eu3+, Gd3+, Tb3+, Dy3+, Ho3+, Er3+, Tm3+ and Yb3+) Nanophosphors with Energy Transfer Studies
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作者：Nayan Agrawal ; Harshita Bhatia ; Sakshi Anand 等
期刊名称：International Journal of Innovative Research in Science, Engineering and Technology
印刷版ISSN：2347-6710
电子版ISSN：2319-8753
出版年度：2015
卷号：4
期号：9
页码：9389
DOI：10.15680/IJIRSET.2015.0409153
出版社：S&S Publications
摘要：CeF3 nanophosphors with remarkable optical properties have been proposed as possible phosphors forlighting and various bio-applications. In the present paper, CeF3:RE3+ (Ln3+ : Nd3+ Sm3+ Eu3+, Gd3+, Tb3+, Dy3+,Ho3+, Er3+, Tm3+ and Yb3+) and CeF3codoped (Yb3+ Nd3+), (Tb3+ Yb3+), (Yb3+ Eu3+), (Yb3+ Ho3+), (Ho3+Nd3+), (Ho3+ Er3+), (Yb3+ Er3+) (Ho3+ Tb3+) nanocrystals were obtained by co-precipitation method. Nanoparticlesof a spherical shaped morphology and particle size 9-12 nm were observed. X-Ray diffraction (XRD), high resolutiontransmissionelectron microscopy (HR-TEM), Fourier transformed infrared spectroscopy (FT-IR), photoluminescence(PL) were employed to characterize the samples. A detailed energy level diagram that contains the position of the levelsof all the trivalent lanthanide ions has been constructed for doped CeF3 and explained along with the energy transferprocess from one dopant to the other in the codopedCerium Fluoride nanophosphors. It has great potential applicationsin Light Emitting Devices, solid-state lasers, telecommunications, opto-electronics, biological labels and remotesensing.
关键词：Cerium Fluoride; CeF3; Nanophosphor; Lanthanide; Rare earth; energy transfer; photoluminescence.