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Remarkable Differences in Photoluminescence Properties Between BaF2:Eu3+ Microrods and Nanorods

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The preparation process and photoluminescent properties of one-dimensional BaF2:Eu3+ nanorods (NRs) and microrods (MRs) were investigated. The results indicate that the samples were NRs with uniform diameters in the range of 30–50 nm, and lengths in the range of 1.2–3 μm when cooled to room temperature naturally. However, the samples were MRs with length of 1.5–3.0 μm and outer diameters of 200–250 nm when cooled to room temperature immediately. Furthermore, the relative intensity of 5D07F2 depended on the two structures obtained under different temperatures. This work demonstrates that a MRs may be more favorable than NRs for photoluminescence.


Document Type: Short Communication


Publication date: 2010-03-01

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  • Journal for Nanoscience and Nanotechnology (JNN) is an international and multidisciplinary peer-reviewed journal with a wide-ranging coverage, consolidating research activities in all areas of nanoscience and nanotechnology into a single and unique reference source. JNN is the first cross-disciplinary journal to publish original full research articles, rapid communications of important new scientific and technological findings, timely state-of-the-art reviews with author's photo and short biography, and current research news encompassing the fundamental and applied research in all disciplines of science, engineering and medicine.
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