Then, CNTs were synthesized via the catalytic chemical vapor deposition (CCVD) method over these catalysts in quartz reactor.

• 即在水滑石层板上引入Co、Ni、Fe等金属物种，形成具有均匀结构和组成的功能活性前体LDHs，焙烧还原后成为碳纳米管生长的催化剂，利用气相化学沉积法进行碳纳米管的生长。