Preparation and optical spectroscopy of phosphate glasses containing divalent europium ions

(整期优先)网络出版时间:2003-05-15
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P2O5.BaO.Na2O.K2OglassesdopedwithvariouscontentofEu2O3werepreparedusinghightemperaturemeltingmethod,andtheEu2+ionsinthephosphateglasseswereobtainedwiththeaidofthereductiveactionofsiliconpowder.Thefabricatingconditions,fluorescence,excitationspectraoftheglasseswerethenstudied.Theglassescontainingeuropiumshowabroademissionbandat450nmandsharpbandsfrom580to650nm,andtheco-existenceofEu2+andEu3+isidentified.Also,agoodglasswithadominantproportionandlargequantityofEu2+ionscanbeobtainedbythereductiveactionofsiliconpowderandproperprocessing.