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  Synthesis, characterization and luminescent properties of needle-like lanthanide-doped orthorhombic Y5O4F7

Liu, B. Q., Liu, L. S., Guo, K., Wang, J., Zhu, L. L., Zhang, H., et al. (2013). Synthesis, characterization and luminescent properties of needle-like lanthanide-doped orthorhombic Y5O4F7. Journal of Rare Earths, 31(8), 745-749. doi:10.1016/S1002-0721(12)60352-4.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-0015-1E6C-E Version Permalink: http://hdl.handle.net/21.11116/0000-0001-4A2C-C
Genre: Journal Article

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 Creators:
Liu, B. Q., Author
Liu, L. S., Author
Guo, K.1, Author              
Wang, J., Author
Zhu, L. L., Author
Zhang, H.2, Author              
Wen, W., Author
Yang, T. Y., Author
Zhao, J. T., Author
Affiliations:
1Chemical Metal Science, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863405              
2Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863404              

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 Abstract: Thermal annealing of YOH1.1F1.9 and YOH1.1F1.9:Ln(3+) (Ln(3+)=Eu3+, Tb3+ and Gd3+) precursors in air gave access to synthesize yttrium oxyfluoride phosphors with well-preserved needle-like morphologies. The phase purities of samples strongly depended on the thermal annealing temperature. At 600 degrees C, pure Y5O4F7 with orthorhombic structure were obtained, as evidenced by powder X-ray diffraction measurement and chemical analysis. The interesting microstructure evolution. of the annealed sample from well-organized nanoparticles on curly slices to microrod-bundle structure had been aroused by raising annealing temperature. The multicolor fluorescent emissions of Y5O4F7:Ln(3+) phosphors were observed, e.g. ultraviolet emission for Gd3+, green emission for Tb3+ and red emission for Eu3+, which resulted from characteristic transitions of different lanthanide ions.

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Language(s): eng - English
 Dates: 2013-08-312013-08-31
 Publication Status: Published in print
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Title: Journal of Rare Earths
Source Genre: Journal
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Pages: - Volume / Issue: 31 (8) Sequence Number: - Start / End Page: 745 - 749 Identifier: ISSN: 1002-0721