CdSe/CdS/ZnS量子点和C_(60)棒复合体系的结构及电性质研究
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摘要
近几年,富勒烯C_(60)新的一维纳米聚集态结构,如C_(60)纳米棒、纳米线、纳米管等成为热点研究课题之一。富勒烯纳米棒既保持了富勒烯分子的结构和性质,作为新的聚集态结构又具有准一维纳米材料的特点。本文利用液-液界面析出法成功制备了在位制备了棒状C60和不同粒径CdSe/Cd S/ZnS量子点的复合结构,并研究了不同粒径CdSe量子点对C_(60)纳米棒的修饰作用,以及CdSe/CdS/ZnS量子点对C60棒表面电势的影响。结果表明,CdSe/CdS/ZnS量子点使原本负表面电势的C60棒变为正表面电势。时间分辨荧光光谱表明CdSe/CdS/ZnS量子点的粒径越小,和C_(60)棒之间的能量转移效率越高。
In recent years, new aggregation of fullerene C_(60) one-dimensional structure, such as C_(60) nanorods, nanowires, nanotubes have become one of the hot research topics. In this paper, the CdSe/CdS/ZnS/C_(60) nanorods were successfully prepared by liquid-liquid interface precipitation method. The modification of CdSe/CdS/ZnS quantum dots on C_(60) nanorods and its effect on the surface potential were studied. The results showed that the negative surface potential of C_(60) nanorod changed to positive surface potential under the help of Cd Se/Cd S/Zn S quantum dots.
引文
[1]Park,H.K.;Park,J.W.;Mc Euen,P.L.Nature 2000,407:57.
    [2]Ren,G.Q.;Schlenker,C.W.;Kahn,A,;Ginger D,S.;Jenekhe,S.A.Adv.Funct.Mater.2013,23:1238.

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