Journal
ELECTROCHEMICAL AND SOLID STATE LETTERS
Volume 13, Issue 5, Pages J62-J64Publisher
ELECTROCHEMICAL SOC INC
DOI: 10.1149/1.3329742
Keywords
barium compounds; calcium compounds; colour; doping; europium; phosphors; photoluminescence; silicon compounds; strontium compounds
Funding
- Ministry of Knowledge Economy (MKE)
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Although detailed information about divalent europium-doped SrSi2N2O2, BaSi2N2O2, and CaSi2N2O2 phosphors and their binary mixtures and solid solutions is now well known, no attempt has been made to examine ternary (Sr,Ba,Ca)Si2N2O2. In this regard, we employed high throughput, solid-state synthesis and characterization techniques aimed at screening the entire composition range of the ternary (Sr,Ba,Ca)Si2N2O2 library in terms of photoluminescence intensity, color chromaticity, and structure. We finally pinpointed two promising ternary phosphors, (Sr0.5Ca0.4Ba0.1)Si2N2O2:Eu2+ and (Sr0.6Ca0.3Ba0.1)Si2N2O2:Eu2+, which would work best as reliable candidates for use in light emitting diode applications.
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