C_(60)-噻吩吡咯烷的合成及光谱表征

Synthesis and Optical Properties of Fulleropyrrolidine Containing Thiophene Dyad

合成了一种C60-噻吩吡咯烷衍生物1。以1H NMR,13C NMR,FTIR,和FAB-MS进行了结构表征。测量其在甲苯溶液中的荧光发射光谱,并在此最大发射波长下测得其荧光寿命为7.47 ns,而C60在室温的荧光寿命大约是1.2 ns。说明富勒烯吡咯烷衍生物1在激光激发下发生了加成基团噻吩与母体C60之间的分子内能量转移和电荷传递,有可能产生长寿命的电荷分离态。

Fulleropyrrolidine containing phenanthrene dyad was synthesized. The molecular structure was identified and characterized by ^1H NMR, ^13C NMR, FTIR and FAB-MS. The fluoresence emission spectra and fluoresence lifetime were measured in toluene. The lifetime of fluorescence was 7.47 ns under the largest emission wavelength. It was larger than the lifetime of C60（1.2 ns）. The discrepancy came mainly from the charge transfer processes between thiophene and C60.