以富含过渡金属元素铁的天然生物质黑木耳、紫菜、香菇、黑芝麻的炭化粉末作为催化剂前驱体,天然气为碳源,采用化学气相沉积工艺制备了碳纳米管(CNTs).所制CNTs阵列的管径较窄,排列整齐,归因于蘑菇、紫菜和黑芝蔗的碳含量高及铁基纳米颗粒分散均匀.采用黑木耳为催化剂所制CNTs的直径也较窄,但杂乱生长,可能是由于黑木耳的碳含量低及铁基纳米颗粒分布不均匀所致.
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