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H . J DONG1,*
Composite CaAl2O4-2CaAl4O7:Eu 3+ phosphor is prepared by the SP CS technique. The study results of XRD and FT IR spectr um show that crystal lattice structure of that engenders slight distortion to improve luminescence properties. Luminescen ce spectrum indicates that CaAl2O4-2CaAl4O7 Eu 3+ shows strong red-light at 618 nm corresponding to electric dipole transition 5D0–7F2 of Eu 3+ ionsions, upon exciting with 382 nm. SEM micrographs reveal that the products fired at 900 exhibit high quality crystallinity and the size of that is approximately 1 3 μ m. All above characteristic s of the CaAl2O4-2CaAl4O7:Eu 3+ is beneficial to phosphors applying to white LEDs..
SPCS, CaAl2O4-2CaAl4O7 Eu3+, Luminescence properties properties, White LEDs.
H . J DONG, Synthesis and luminescence properties of composite CaAl2O4-2CaAl4O7Eu3+ phosphor applied to white LEDs, Optoelectronics and Advanced Materials - Rapid Communications, 5, 6, June 2011, pp.617-620 (2011).
Submitted at: April 22, 2011
Accepted at: June 9, 2011
Optoelectronics and Advanced Materials - Rapid Communications
(2023): 0.5 - 2023 Journal Citation Reports (Clarivate Analytics, 2024)
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