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作 者:杨森根[1] 凡素华[1] 刘见永[1] 吴振奕[1] 詹梦熊[1]
出 处:《厦门大学学报(自然科学版)》2006年第4期518-521,共4页Journal of Xiamen University:Natural Science
基 金:福建省自然科学基金(E0410001);厦门大学自选课题基金(0040-Y07008)资助
摘 要:按文献方法合成了共价键连卟啉-富勒烯化合物,通过荧光光谱和光伏效应测得它们的光化学和光电转换性能,并对卟啉-富勒烯化合物的轴向配位进行了初步探究.结果表明,卟啉键合富勒烯后荧光强度明显减弱,出现荧光猝灭现象,邻位取代锌卟啉-富勒烯化合物的荧光猝灭强于相应的对位取代锌卟啉-富勒烯化合物;光伏效应结果表明化合物具有优良的光电转换性能,尤其在介质电对O2/H2O中,光生电压达到最大,镀层厚度在1μm出现最大值.电子吸收光谱数据表明卟啉-富勒烯化合物轴向配位后谱带发生明显移动,这是吡啶上的氮与锌卟啉-富勒烯中的锌离子发生轴向配位的结果.The porphyrin-fullerene compounds MP-C60 (M= H2 ,Zn) have been synthesized by 1,3-dipolar cycloaddition reaction. The characterization of photochemistry and photoelectricity transform have been investigated by fluorescene and photovoltaic effect. The axial coordination of porphyrin-fullerene compounds also has been researched primarily. The results show that the porphyrin emission bands quenched and the quenching for the ortho-suhstituted derivations is higher than the para-suhstituted ones. Futhermore, excellent photoelectric property of MP-C60 has been showen by the result of photovoltaic effect; especially when in the O3/H2O redox couple and at 1 μm for thickness of MP-C60 film. In addition, the electronic absorption band has been obviously shifted after the axial coordination with ZnP-C60 ,and this attributed to the electrionic effect caused by the N atom of the pyridine axial coordinated to the Zinc ion in the central ZnP-C60.
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