电流值对水下电弧法制备洋葱状富勒烯的影响Effect of current on synthesis of onion-like fullerenes by arc-discharge in water
姚延立,王晓敏,郭俊杰,杨晓伟,马艾丽,许并社
摘要(Abstract)：
研究了在不同电流值条件下纯石墨电极水下电弧放电法制备洋葱状富勒烯(OLFs)的过程和工艺。采用场发射扫描电镜,X射线衍射,高分辨透射电镜对产物的微观结构和形貌进行表征。所得产物是直径约为25nm,外形呈球状并具有一定的空心结构OLFs。研究了放电时的电流值对产物的产量和产率以及对产物石墨化程度的影响,结果表明在20A-50A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。
关键词(KeyWords)： 洋葱状富勒烯(OLFs);电弧放电;石墨化;产率
基金项目(Foundation): “973”计划(2004CB217808);; 国家自然科学基金(90306014);; 山西省自然科学基金(2006011054);; 山西省高校科研项目(20051214)．
作者(Author): 姚延立,王晓敏,郭俊杰,杨晓伟,马艾丽,许并社
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