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HomeMaterials Science ForumMaterials Science Forum Vols. 809-810Synthesis of Sr4Al14O25:Eu2+, Dy3+ via Using...

Synthesis of Sr₄Al₁₄O₂₅:Eu²⁺, Dy³⁺ via Using Cyclodextrin as Chelating Agent by Sol-Gel Method

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Abstract:

Sr₄Al₁₄O₂₅:Eu²⁺, Dy³⁺ luminescent phosphor was synthesized for the first time from using cyclodextrin as chelating agent by sol-gel method. The structural characterization, surface morphology and properties of the phosphor were studied. The results revealed that the target phosphor with relatively regular morphology, smaller grain size, pure phase and high crystallinity can be achieved at 1200°C for 4 h in a reducing atmosphere. The average grain size of the Sr₄Al₁₄O₂₅:Eu²⁺, Dy³⁺ phosphor nanoparticles ranges from 50 to 100 nm . And the phosphorescence in blue-green (483 nm) by Eu²⁺.

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2014 China Functional Materials Technology and Industry Forum

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Periodical:

Materials Science Forum (Volumes 809-810)

Pages:

702-706

DOI:

https://doi.org/10.4028/www.scientific.net/MSF.809-810.702

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Online since:

December 2014

Authors:

Wen Feng Xu, Cheng Li Liao, Fu Hang Xiong, Kui Li, Xiao Ling Liao*

Keywords:

Chelating Agent, Cyclodextrin, Grain Size, Phosphor

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© 2015 Trans Tech Publications Ltd. All Rights Reserved

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