Generally speaking, the catalyst source for carbon nanotube growth could be evaporated metallic or nonmetallic thin film on the substrate by means of E-beam evaporator.

• 一般来说，成长奈米碳管所需的催化剂来源可以利用电子束蒸镀机，于试片基材上蒸镀金属或非金属薄膜。