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Journal of Materials Science: Materials in Electronics
Erschienen in: Journal of Materials Science: Materials in Electronics 15/2018

07.06.2018

La2−xEuxMo2O9 (0 ≤ x ≤ 0.6) solid solution microcrystals: facile hydrothermal derived synthesis, microstructures and luminescence properties

verfasst von: Yanmei Li, Ruofan Pu, Lin Wen, Xu Peng, Zhanglei Ning, Bo Wu, Yan Zhao, Xin Lai, Jian Bi, Daojiang Gao

Erschienen in: Journal of Materials Science: Materials in Electronics | Ausgabe 15/2018

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Abstract

La2−xEuxMo2O9 (0 ≤ x ≤ 0.6) solid solution microcrystals have been successfully fabricated by a facile hydrothermal derived synthesis process (i.e. the precursors were obtained via hydrothermal treat at 180 °C for 24 h and then calcined at 600 °C for 5 h). X-ray diffraction (XRD), scanning electron microscope (SEM), photoluminescence excitation and emission spectra (PL) and photoluminescence decay curves were used to characterize La2−xEuxMo2O9 samples. The effects of the Eu3+ ions concentration on the luminescence of the La2−xEuxMo2O9 microcrystals were also investigated in detail. The results show that the obtained La2−xEuxMo2O9 microcrystals are cubic phase continuous solid solution, and all can be efficiently excited by 335 nm ultraviolet and 464 nm blue light, exhibiting the strong red emission at 615 nm of Eu3+ ion. The obtained La2−xEuxMo2O9 microcrystals are promising red-emitting phosphors pumped by near-UV or blue light for the white light emitting diodes (WLEDs).
Vorheriger Artikel Local structure and magnetic properties of Mn and Co co-doped SiC films
Nächster Artikel Fabrication of Fe2O3@TiO2 core–shell nanospheres as anode materials for lithium-ion batteries

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Metadaten
Titel
La2−xEuxMo2O9 (0 ≤ x ≤ 0.6) solid solution microcrystals: facile hydrothermal derived synthesis, microstructures and luminescence properties
verfasst von
Yanmei Li
Ruofan Pu
Lin Wen
Xu Peng
Zhanglei Ning
Bo Wu
Yan Zhao
Xin Lai
Jian Bi
Daojiang Gao
Publikationsdatum
07.06.2018
Verlag
Springer US
Erschienen in
Journal of Materials Science: Materials in Electronics / Ausgabe 15/2018
Print ISSN: 0957-4522
Elektronische ISSN: 1573-482X
DOI
https://doi.org/10.1007/s10854-018-9413-5

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