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Proceedings of the 7th National Conference on Functional Materials and Applications (FMA 2010 E-BOOK)

Changsha,China,10.16-10.18,2010

ISBN: 978-1-935068-41-9 Scientific Research Publishing, USA

E-Book 2313pp Pub. Date: October 2010

Category: Chemistry & Materials Science

Price: $360

Title: Spectra Characteristics of SrLaAlO4 :Dy3+ Phosphor
Source: Proceedings of the 7th National Conference on Functional Materials and Applications (FMA 2010 E-BOOK) (pp 458-460)
Author(s): Zhao-gui Zou, College Of Applied Sciences, Beijing University Of Technology, Beijing,China 100022
Ji-you Wang, College Of Applied Sciences, Beijing University Of Technology, Beijing,China 100022
Bin Liu, College Of Applied Sciences, Beijing University Of Technology, Beijing,China 100022
Ping Duan, College Of Applied Sciences, Beijing University Of Technology, Beijing,China 100022
Abstract: The SrLa1-xAlO4:xDy3+ phosphor was synthesized by high temperature solid-state methods. The luminescent properties of the phosphor were investigated. The emission spectrum of SrLa1-xAlO4:xDy3+ phosphor shows several bands at 484 nm, 578 nm and 669 nm under the excitation of the 352nm. The effects of Dy3+ content on the luminescent intensity of 484nm of the phosphor were investigated under the excitation of the 365nm. The result shows that the optimum concentration of Dy3+ in SrLa1-xAlO4 is x=3mol%. The concentration quenching mechanisms are the dipole-dipole interaction.
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