The Synthesis and Morphology Control of High after-Grow Intensity SrAl2O4: Eu, Dy Phosphors

Quan Mao Yu

doi:10.4028/www.scientific.net/AMM.217-219.678

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 217-219The Synthesis and Morphology Control of High...

The Synthesis and Morphology Control of High after-Grow Intensity SrAl₂O₄: Eu, Dy Phosphors

Abstract:

High after-grow intensity with controllable morphology SrAl₂O₄: Eu, Dy phosphors were synthesized by an innovative combustion-melted-salt-assistant-Sol-Gel (CMSASG) method, by using Oxides, Carbonate, Nitric acid, Polyethylene glycols and Urea as raw materials, Gel-forming at 100°C, Combustion under 450°C, Melted-salt-calcination at 1250°C. The luminescent intensity and after-grow intensity of the SrAl₂O₄: Eu, Dy phosphors with the suitable pair-dope synthesized by CMSASG method are higher than those of commercial samples. The size of the phosphor with excellent luminescent characteristics and shape of sphericity or near sphericity synthesized can be controlled from about 200 nm to 10 μm.

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Periodical:

Applied Mechanics and Materials (Volumes 217-219)

Pages:

678-681

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.217-219.678

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Online since:

November 2012

Authors:

Quan Mao Yu

Keywords:

Morphology Control, Phosphor, SrAl₂O₄:Eu,Dy, Synthesis Method

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