Effect of oxygen vacancies on the fluorescence and phosphorescence properties of Ca5MgSi3O12：Eu2+, Dy3+
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Published:2013
Issue:15
Volume:62
Page:153201
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ISSN:1000-3290
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Container-title:Acta Physica Sinica
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language:
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Short-container-title:Acta Phys. Sin.
Author:
Gong Yu ,Chen Bai-Hua ,Xiong Liang-Ping ,Gu Mei ,Xiong Jie ,Gao Xiao-Ling ,Luo Yang-Ming ,Hu Sheng ,Wang Yu-Hua , ,
Abstract
Ca5MgSi3O12:Eu2+, Dy3+ was synthesized by solid-state reaction. The luminescence center related to the oxygen vacancies existed in the host matrix. Comparing the fluorescence and phosphorescence properties of samples synthesized under different air condiction, we find that the oxygen vacancies played an important role in the fluorescence and phosphorescence properties. Oxygen vacancies can transfer its energy to the luminescence center. Thermoluminescence spectra were used to characterize the effect of oxygen vacancies on the phosphorescence properties. Ca5MgSi3O12:Eu2+,Dy3+ has a great potential to become a promising candidate to be used as long-lasting phosphors.
Publisher
Acta Physica Sinica, Chinese Physical Society and Institute of Physics, Chinese Academy of Sciences
Subject
General Physics and Astronomy
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