Optical Properties of CaYAlO4: Eu3+ Phosphors

Marilena Bartic; Hiroko Kominami; Yoichiro Nakanishi; Kazuhiko Hara

doi:10.4028/www.scientific.net/AMR.222.231

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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 222Optical Properties of CaYAlO4: Eu3+ Phosphors

Optical Properties of CaYAlO₄: Eu³⁺ Phosphors

Abstract:

CaYAlO4:Eu3+ phosphors have been synthesized by a solid state method, and characterized by X-ray powder diffraction and photoluminescence (PL). Under the excitation of 147 nm, the synthesized phosphors indicated PL characteristics of the Eu3+ center with the main emission peak at a wavelength of 611.5 nm. The emission intensity depended on synthesis temperature and Eu3+ doping concentration. The highest PL intensity was found for the Ca0.97Eu0.03YAlO4 synthesized at 1400°C for 2 h.

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Periodical:

Advanced Materials Research (Volume 222)

Pages:

231-234

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.222.231

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Online since:

April 2011

Authors:

Marilena Bartic, Hiroko Kominami, Yoichiro Nakanishi, Kazuhiko Hara

Keywords:

CaYAlO₄: Eu³⁺, Display Applications, Red Phosphor

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