In the process of preparation of carbon nanotubes(CNTs) by chemical vapor deposition(CVD), bamboo-structured CNTs can be catalytically synthesized from nitric gas environment.

• 利用化学气相沉积制备碳纳米管的过程中,在含氮的气体环境中,竹节型结构的碳纳米管在催化剂的作用下可制备出来。