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过渡金属离子对磺化硫桥杯[4]芳烃—铽[Ⅲ]配合物荧光的猝灭 被引量:1

Effect of transition metal ions on the fluorescence of thiacalix[4]arene tetrasulfonate complex with Tb^(3+)
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摘要 磺化硫桥杯[4]芳烃可以与Tb3+形成能量传递配合物,在硼砂缓冲溶液中(pH=9.23),该配合物的荧光易被Hg2+、Zn2+等过渡金属离子猝灭,当金属离子浓度小于2×10-6mol·l-1时,荧光猝灭强度与过渡金属离子的浓度呈线性关系。 Thiacalix[4]arenetetrasulfonate can form an efficient energy transfer complex with terbium ion(Ⅲ). The fluorescence of the complex is partially quenched by transition metal ions. The quenching intensity is a linear function of the concentration of transition metal in the range 0~2×10^(-6)mol·l^(-1).
机构地区 黄淮学院化学系
出处 《河南科学》 2004年第6期761-763,共3页 Henan Science
关键词 杯[4]芳烃 荧光猝灭 配合物 过渡金属离子 荧光 金属离子浓度 缓冲溶液 磺化 TB^3+ 硼砂 Thiacalix[4]arenetetrasulfonate fluorescence quench transition metal
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