采用化学气相沉积法合成出氮原子掺杂的碳纳米管,再将其与铝基体进行复合制备出碳纳米管/铝基复合材料.运用TEM和XPS研究氮掺杂碳纳米管的结构形貌和掺杂形态,并对碳纳米管/铝基复合材料的力学和电学性能进行研究与分析.结果表明:碳纳米管呈现出竹节状周期性多层结构,且成功掺杂氮原子.与纯碳纳米管相比,基于氮掺杂碳纳米管的铝基复合材料具有更高的抗拉强度和电导率.由于氮原子的引入,改善了碳纳米管的分散度和浸润性,提升了其电子传递效率,从而更有利于其在金属基复合材料中的应用.
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