Cyan-white-red luminescence from europium doped Al_2O_3-La_2O_3-SiO_2 glasses | Zendy

Hucheng Yang | Zendy; G. Lakshminarayana | Zendy; Shifeng Zhou | Zendy; Yu Teng | Zendy; Jianrong Qiu | Zendy

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Cyan-white-red luminescence from europium doped Al_2O_3-La_2O_3-SiO_2 glasses

Author(s) -

Hucheng Yang,

G. Lakshminarayana,

Shifeng Zhou,

Yu Teng,

Jianrong Qiu

Publication year - 2008

Publication title -

optics express

Language(s) - Uncategorized

Resource type - Journals

SCImago Journal Rank - 1.394

H-Index - 271

ISSN - 1094-4087

DOI - 10.1364/oe.16.006731

Subject(s) - cyan , europium , doping , luminescence , materials science , analytical chemistry (journal) , lanthanum , excitation , optics , chemistry , inorganic chemistry , optoelectronics , physics , chromatography , quantum mechanics

Aluminum-lanthanum-silicate glasses with different Eu doping concentration have been synthesized by conventional melt-quenching method at 1680 degrees C in reductive atmosphere. Under 395nm excitation, samples with low Eu doping concentration show mainly the cyan broad emission at 460nm due to 4f(6)5d(1)-4f(7) transition of Eu(2+); and the samples with higher Eu doping concentration show mainly some narrow emissions with maximum at 616nm due to (5)D(0)-(7)F(j) (J=0, 1, 2, 3, 4) transitions of Eu(3+). Cyan-white-red tunable luminescence under 395nm excitation has been obtained by changing the Eu doping concentration.

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