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铋掺杂钒酸钇的合成及发光性能研究 被引量:1

Preparation and Luminescence Properties of YVO_4:Bi^(3+)
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摘要 采用高温固相法合成钒基荧光材料YVO4:Bi3+,其最佳掺杂浓度是1.5%,最宜煅烧温度为1000℃。用XRD,SEM以及荧光光谱等手段对所合成的荧光粉进行了表征,结果表明,样品在近紫外光254 nm激发下,产生位于300~750 nm的宽带发射峰。其中,铋离子浓度为1.5%时,样品的荧光发射主峰543 nm。 A vanadium-based fluorescent material ( YVQ : Bi3+ ) was synthesized by using high-temperature solid-phase method. Its luminescent properties were characterized by XRD, SEM and photoluminescence. The results showed that the best doping concentration was 1.5 % and the best calcination temperature was 1000 ℃. In addition, it was found that the fluorescent powders of YVO4 : Bi3+ exhibited emission bands ranging from 300 to 750 nm under the excitation of 254 nm. With gallium ions concentration gradually increased to 1.5%, the emission peak of the prepared particles was at 543 nm.
出处 《中国稀土学报》 CAS CSCD 北大核心 2011年第6期749-753,共5页 Journal of the Chinese Society of Rare Earths
关键词 高温固相法 YVO4:Bi3+ 荧光粉 稀土 solid-state reaction method YVO4 : Bi3+ luminescent powder rare earths
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参考文献16

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