碳纳米管具有独特的电化学性能和机械性能,已成为纳米科技的研究热点之一。目前,碳纳米管的主要制备方法有球磨法、超声波降解法以及激光蒸发法等。化学气相沉积法(CVD)也是其中之一,它不仅具有生长重要条件可控的优点,而且得到的 Carbon nanotubes have unique electrochemical and mechanical properties and have become one of the hot topics in nanotechnology. At present, the main preparation methods of carbon nanotubes are ball milling method, ultrasonic degradation method and laser evaporation method. Chemical vapor deposition (CVD) is one of them, it not only has the advantages of controllable growth of important conditions, and the resulting