报道了在浮动催化系统中,催化剂、促进剂以及苯/氢气比例等因素对气相生长纳米碳纤维形态的决定性作用和不同结构形态纳米碳纤维的选择生长.利用控制催化剂前体和促进剂的含量以及苯与氢气的比例等因素,制备了平直碳纳米管、弯曲碳纳米管、碳珠/纳米碳纤维、纳米碳纤维等不同结构的气相生长纳米碳纤维.实验结果表明,在浮动催化系统中,调节催化剂和促进剂的含量以及苯与氢气的摩尔比等关键性因素可以实现对气相生长纳米碳纤维形态结构的控制.
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