| 1. | The degree of graphitization and diameter of cnts increased with elevated temperature , which showed that high temperature improved the catalysis of catalyst , and was attributed to uniform arrangement of atomic carbon , and hindered amorphous carbon 随着生长温度的升高,催化剂的活性提高,有利于碳的有序排列,生长的碳纳米管直径增大。氨气对纳米碳管的定向排列影响显著,而氢气、氮气则无影响。 |