Fluorescence enhancement mechanism in phosphor CaAl 12 O 19 :Mn4 + modified with alkali-chloride
MICRO & NANO LETTERS（2013）
Abstract
CaMAl12-xO19:xMn4+ (M is one or more of K+, Na+, Li+) materials were prepared by a combustion method in air atmosphere. The Mn concentration, the influence of one or more alkali-chloride on luminescence properties, crystal phases and surface morphology of the samples were investigated. The fluorescence intensity of CaAl11.98O19:0.02Mn4+ modified by combining three kinds of alkali-chloride can be e...
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Key words
calcium compounds,charge compensation,combustion synthesis,doping profiles,fluorescence,lithium compounds,manganese,phosphors,potassium compounds,sodium compounds,spectral line shift,surface morphology
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