应用溶胶-凝胶技术,通过在纳米SiO2微粒的形成过程中原位合成稀土有机配合物,制备了尺寸60～80 nm的铽(Ⅲ)与对羟基苯甲酸配合物掺杂的纳米SiO2微粒.在铽与对羟基苯甲酸配合物掺杂纳米SiO2微粒的水溶液中观察到了很强的绿色发光,这类稀土有机配合物掺杂的纳米SiO2微粒在生物荧光探测中有广泛的应用前景.
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