采用湿法化学合成含铕纳米羟基磷灰石(Eu-nHA),并用透射电镜(TEM)、X射线衍射仪(XRD)、元素光谱分析、荧光分光光度计及荧光显微镜成像等进行分析观察.结果表明:稀土元素铕被正确掺入纳米羟基磷灰石晶格内,所制备的含铕纳米羟基磷灰石(Eu-nHA)纳米粒径为5~15 nm(宽)×15~30 nm(长).该纳米材料在适宜紫外光激发下能明确产生红色荧光.5D0-7F1和5D0-7F2跃迁是形成该光致发光的重要原因.本研究制备的Eu-nHA有望成为一种新的纳米荧光剂应用于生物医学领域.
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