研究了以Fe或Ni为催化剂采用有机物催化热解法制备的纳米炭纤维的形貌和结构.发现在两种情况下纳米炭纤维的生长机理完全不同:以Fe为催化剂纳米炭纤维基本符合气-液-固(VLS)催化生长机制(也称溶解扩散机制),而以Ni为催化剂纳米炭纤维则符合固相催化生长机制.
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