Hydrothermal controlled synthesis and luminescence properties of NaLa(MoO4)2∶Eu3+ microcrystals | Zendy

Jiayue Sun | Zendy; Cao Chun | Zendy; Haiyan Du | Zendy

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Hydrothermal controlled synthesis and luminescence properties of NaLa(MoO4)2∶Eu3+ microcrystals

Author(s) -

Jiayue Sun,

Cao Chun,

Haiyan Du

Publication year - 2011

Publication title -

acta physica sinica

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.199

H-Index - 47

ISSN - 1000-3290

DOI - 10.7498/aps.60.127801

Subject(s) - hydrothermal circulation , materials science , luminescence , dopant , ethylene glycol , ion , hydrothermal synthesis , doping , quenching (fluorescence) , analytical chemistry (journal) , chemical engineering , chemistry , optoelectronics , optics , fluorescence , organic chemistry , physics , engineering

Eu3+ doped NaLa(MoO4)2 microcrystals with different sizes are synthesized by a mild hydrothermal method, and the morphologies of the microcrystals can be easily controlled by adjusting the volume ratio of ethylene glycol to water and the aging time. Uniform high-quality shuttle-like microcrystals with an average length of 2.0 m are obtained under the hydrothermal condition of 180℃ for 16 h. From the emission spectra of NaLa(MoO4)2∶Eu3+ microcrystals, it is concluded that the dopant Eu3+ ion occupies a La3+ site. It is indicated that the concentration quenching of the emission peak at 613 nm of Eu3+ is ascribed to the electric dipole-electric quadrupole interaction, and the cross relaxation process of Eu3+(5D1 ) + Eu3+(7F0 ) Eu3+( 5D0 ) + Eu3+(7F3) appear.

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