La1.6(MoO4)3:Eu0.43+纳米晶合成及发光特性

刘春旭

doi:10.3788/CO.20140706.0931

Volume 7 Issue 6

Nov. 2014

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Chinese Optics > 2014 > 7(6): 931-935.

LIU Chun-xu. Synthesis and luminescence properties of La1.6(MoO4)3:Eu0.43+ nanocrystal[J]. Chinese Optics, 2014, 7(6): 931-935. doi: 10.3788/CO.20140706.0931

Citation:

LIU Chun-xu. Synthesis and luminescence properties of La_1.6(MoO₄)₃:Eu_0.4³⁺ nanocrystal[J]. Chinese Optics, 2014, 7(6): 931-935. doi: 10.3788/CO.20140706.0931

LIU Chun-xu. Synthesis and luminescence properties of La1.6(MoO4)3:Eu0.43+ nanocrystal[J]. Chinese Optics, 2014, 7(6): 931-935. doi: 10.3788/CO.20140706.0931

Citation:

LIU Chun-xu. Synthesis and luminescence properties of La_1.6(MoO₄)₃:Eu_0.4³⁺ nanocrystal[J]. Chinese Optics, 2014, 7(6): 931-935. doi: 10.3788/CO.20140706.0931

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Synthesis and luminescence properties of La_1.6(MoO₄)₃:Eu_0.4³⁺ nanocrystal

doi: 10.3788/CO.20140706.0931

LIU Chun-xu^,

State Key Laboratory of Luminescence and Applications, Changchun Institute of Optics, Fine Mechanics and Physics, Chinese Academy of Sciences, Changchun 130033, China

Received Date: 11 Sep 2014
Rev Recd Date: 13 Nov 2014
Publish Date: 25 Nov 2014

Abstract

Abstract

La1.6(MoO4)3:Eu0.43+ nancrystal is synthesized by combustion method and the interaction between the phonon-dopant-lattice and luminescence properties of this nanocrystal are investigated. It is shown by X-ray diffraction that the powders are crystallized in a single phase annealed at 500~900 ℃. It is found that the excitation of the Mo6+-O2- charge transfer band(CTB) can result in the emissions of Eu3+ ion, which indicates that energy transfer takes place from CTB to Eu3+ ions. Two one-phonon sidebands locate at 1=469 nm and 2=426 nm in the excitation spectra which are due to Mo=O and MoOMo expand and contract vibration modes, respectively, with phonon energies of 1 202 cm-1 and 767 cm-1. The Huang-Kun factors S1=0.055 and S2=0.037 describing the interaction intensity between phonon and lattice are determined. The optical properties of La1.6(MoO4)3:Eu0.43+ would be able to provide the experimental foundation to reveal the properties of high conductivity and negative thermal expansion(NTE) with the trivalent ions.
- luminescence property,
- combustion method,
- La1.6(MoO4)3:Eu0.43+ nanocrystal,
- local mode,
- one-phonon sideband

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Synthesis and luminescence properties of La_1.6(MoO₄)₃:Eu_0.4³⁺ nanocrystal

doi: 10.3788/CO.20140706.0931

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Synthesis and luminescence properties of La1.6(MoO4)3:Eu0.43+ nanocrystal

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Synthesis and luminescence properties of La_1.6(MoO₄)₃:Eu_0.4³⁺ nanocrystal