Exploration of New Phosphors Using a Mineral-Inspired Approach in Combination with Solution Parallel Synthesis

Masato Kakihana, Jihae Kim, Tetsufumi Komukai, Hideki Kato, Yasushi Sato, Makoto Kobayashi, Yuji Takatsuka

Ichikawa Research Laboratories, Sumitomo Metal Mining Co. Ltd., Ichikawa, Japan.
Institute of Multidisciplinary Research for Advanced Materials, Tohoku University, Sendai, Japan.

DOI: 10.4236/opj.2013.36A002                

Abstract

The concept, as well as the methodology of using a mineral-inspired approach in combination with solution parallel synthesis (SPS) for exploration of new phosphors among Na/Sr(Ba)/Al-silicate and Zr(Ti)-silicate minerals, is reported. By employing the proposed approach, we have discovered new phosphors of NaAlSiO₄:Eu²⁺ and BaZrSi₃O₉:Eu²⁺, that emit green-yellow (553 nm) and blue-green (480 nm) light, respectively, when excited by radiation of 290 to 420 nm.

Keywords

Mineral; Solution Parallel Synthesis; Exploration of New Phosphors; Silicate

Conflicts of Interest

The authors declare no conflicts of interest.

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