探索了纯石墨电极在水中放电制备洋葱状富勒烯(Onion-like fullerenes,OLFs)的过程和工艺.用高分辨透射电镜(High resolution transmission electron microscope,HRTEM)对生成的OLFs进行了形貌、结构的观察与表征.分析结果表明制得的OLFs具有各种不同形状的内核,石墨化程度很高,直径分布在5 nm～40 nm范围内.在一定范围内随着电流强度的增大OLFs的产量和产率都有不同程度的提高.
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