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Study on Luminescence Behavior of BaAl12O19:Tb, Eu

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BaAl12O19:Tb, Eu phosphors were prepared by sol–gel technique. The luminescence properties and the energy transfer between Eu2+ and Tb3+ were investigated. For BaAl12O19:Tb phosphor, the strongest excitation peak and emission peak produced from Tb3+ transition of 5D47F5 were at 240 nm and at 550 nm respectively, while the peak shape was narrow and peak intensity was large. The Eu2+ added in the BaAl12O19:Tb induced energy transfer to Tb3+ and different color luminescence from blue (400 nm) to green (570 nm) was obtained by changing the ratio of Tb3+/Eu2+ with excitation at 240 nm.
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Keywords: ENERGY TRANSFER; EU2+; LUMINESCENCE PROPERTIES; PHOSPHORS; TB3+

Document Type: Research Article

Publication date: 2011-11-01

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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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