Synthesis of BaMgAl10O17:Eu2+ Blue Phosphor by Electro-Spray Aerosol Flame Deposition
Spherical and nano-sized BaMgAl10O17:Eu2+ (BAM) phosphor particles for plasma display panel (PDP) application were synthesized by Aerosol Flame Deposition (AFD) and subsequent heat treatment at 1250 °C for 4 h under reducing atmosphere. The effects of various atomization methods, precursor solution and various deposition position along flame axis were investigated in order to control the morphology and size of the phosphor. Characteristics of BAM phosphor were investigated for products prepared under various condition and they were compared with those of the commercial BAM. It was found that electro-spray gas-assisted atomization produce the most fine particle, while the optimum particle size for real application in phosphor devices (200∼400 nm) was produced by the gas-blast atomizer.
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Document Type: Research Article
Publication date: 01 February 2009
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