Luminescence optimization of Eu-doped LnAl3(BO3)4 (Ln=Y, Gd) red phosphor using spray pyrolysis

Jung, Kyeong Youl; Jung, Ha‐Kyun

doi:10.1016/j.jlumin.2010.05.014

Cited by 20 publications

(1 citation statement)

References 29 publications

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“…The intensity ratio of the transitions 5 D 0 -7 F 2 to 5 D 0 -7 F 1 , P = I ( 5 D 0 -7 F 2 )/I ( 5 D 0 -7 F 1 ), is a good measure for the symmetry of Eu 3+ site. [33][34][35] Here, the intensities of the ED and MD are defined as the area under their PL curves calculated by investigating from 605 to 635 nm and from 585 to 600 nm, respectively.…”

Section: Effect Of Crystallographic Sites Of Eumentioning

confidence: 99%

Effects of Eu³⁺Sites on Photoluminescence in Ba₂Ln(BO₃)₂Cl (Ln = Gd, Y) Hosts

Jing

Guo

Zhang

et al. 2012

ECS J. Solid State Sci. Technol.

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A series of Eu3+ ions doped Ba2Ln(BO3)2Cl (Ln = Gd, Y) orange-red emitting phosphors were prepared by solid state reaction method. The structure and optical properties were characterized by the X-ray diffraction and photoluminescence spectra. The samples could be excited efficiently by charge transfer band (CTB) centered at 254 nm and n-UV light (350–410 nm) from the 4f6 electron configuration transition. The orange-red emission peaked at 593 nm from the magnetic dipole transition dominates the emission spectra. Crystallographic sites of Eu3+ ions, the structure defect and charge compensation mechanism were discussed. The spectra properties were investigated according to the symmetry of crystallography of Eu3+ ion occupancy. The electric dipole transitions become stronger with the increase of Eu3+ ions concentration, and the optimal compositions of the Ba2Ln(BO3)2Cl:Eu3+ (Ln = Gd, Y) phosphors were also determined.

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Section: Effect Of Crystallographic Sites Of Eumentioning

confidence: 99%