含香豆素荧光基团的富勒烯衍生物的合成及荧光性能研究

Syntheses and Fluorescence Properties of the [60]fullerene-coumarin Compounds

通过酯化反应将经醚化修饰过的香豆素与富勒烯相连,得到3种含有香豆素荧光基团的富勒烯衍生物,并用1H NMR、13C NMR、FT-IR、MS进行结构表征。荧光光谱研究发现,与富勒烯连接后的衍生物的荧光强度大大降低,其原因源于富勒烯与激发光的竞争和对香豆素荧光的重吸收。

Three kinds of [60 ]fullerene-coumarin compounds were synthesized by esterification with the coumarin derivatives and characterized by 1 H NMR,13 C NMR,FT-IR and MS.Their fluorescence intensity drastically reduced owing to the competition of excitation light and the fluorescence re-absorption of the coumarin to fullerene.