Synthesis and the Luminescent Properties of Silicate NaAlSiO₄:Eu²⁺ Phosphor Using SiO Powder as a Silica Source

Abstract:

A yellow-emitting NaAlSiO₄:Eu²⁺ phosphor was synthesized using SiO powder as a reducing agent and a silica source material. The emission intensity of the NaAlSiO₄:Eu²⁺ phosphor synthesized using SiO powder is higher than that of a sample produced using a conventional silicate phosphor synthesis reaction using SiO₂ powder. The ratio of non-reduced Eu³⁺ ions in the NaAlSiO₄:Eu²⁺ phosphor synthesized using SiO powder was decreased by the reduction effect of SiO powder.

• Periodical: Key Engineering Materials (Volume 582)
• Pages: 214-217
• DOI: https://doi.org/10.4028/www.scientific.net/KEM.582.214
• Online since: September 2013
• Authors: Takeshi Abe, Kenji Toda, Kazuyoshi Uhematsu, Mineo Sato, Tadashi Ishigaki, Kim Bong Sung, Deok Su Jo, Takaki Masaki, Dae Ho Yoon
• Keywords: Eu²⁺, Phosphor, Reducing Agent, Silicate, SiO

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