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Luminescence and Energy Transfer of Eu2+, Mn2+ in SrZnP2O7 |
YANG Zhi-Ping1;YANG Guang-Wei1;WANG Shao-Li1;TIAN Jing2;GUO Qing-Lin1;FU Guang-Sheng1 |
1College of Physics Science and Technology, Hebei University, Baoding 0710022College of Electronic and Informational Engineering, Hebei University, Baoding 071002 |
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Cite this article: |
YANG Zhi-Ping, YANG Guang-Wei, WANG Shao-Li et al 2007 Chin. Phys. Lett. 24 2094-2096 |
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Abstract The SrZnP2O7:Eu2+, Mn2+ phosphor is synthesized by high temperature solid state reaction. The luminescence properties and the energy transfer between Eu2+ and Mn2+ are investigated. The emission bands of this phosphor peaked at 420nm and 670nm are originated from the 5d→4f transition of Eu2+ and from the 4T1 (4G) →6A1 (6) transition of Mn2+, respectively. With the increasing Mn2+ concentration, the intensity of fixed concentration Eu2+ decreases and the intensity of Mn2+ also increases. It is suggested that there is an energy transfer from Eu2+ to Mn2+ in SrZnP2O7 host. According to Dexter's energy transfer formula of multipolar interaction, the energy transfer between Eu2+ and Mn2+ is due to the electric dipole-quadrupole interaction of the resonance transfer.
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Keywords:
78.55.-m
33.50.Dq
34.30.+h
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Received: 26 April 2007
Published: 25 June 2007
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PACS: |
78.55.-m
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(Photoluminescence, properties and materials)
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33.50.Dq
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(Fluorescence and phosphorescence spectra)
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34.30.+h
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