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    • 37. 发明申请
    • Method for preparing monolayer carbon nanotube
    • 单层碳纳米管制备方法
    • US20050106093A1
    • 2005-05-19
    • US10509575
    • 2003-03-27
    • Sumio IijimaMasako YudasakaHiroo Hongo
    • Sumio IijimaMasako YudasakaHiroo Hongo
    • C01B31/02D01F9/12D01C5/00
    • B82Y30/00B82Y40/00C01B32/162C01B2202/02C01B2202/36
    • A combination of a metal-based catalyst having a function as a catalyst for formation of graphite and a single-crystal substrate having a certain correspondence to the metal-based catalyst with respect to the crystal grain size and the crystal orientation thereof is used; the metal-based catalyst is dispersed on the single-crystal substrate; and a carbon material is fed to the substrate at any temperature not lower than 500° C. to thereby form single single-walled carbon nanotubes through vapor phase thermal decomposition growth on the substrate. More precisely, the invention of this application enables production of single-walled carbon nanotubes with controlled diameter, requiring neither a porous material nor catalyst particles for use as a catalyst carrier. One example of the combination of the metal-based catalyst and the single-crystal substrate is a combination of Fe and sapphire substrate.
    • 使用具有作为形成石墨的催化剂的功能的金属类催化剂和与金属类催化剂相对应的单晶基板相对于晶粒尺寸及其晶体取向的组合; 金属基催化剂分散在单晶基板上; 并且在不低于500℃的任何温度下将碳材料供给到基板,从而通过基板上的气相热分解生长形成单个单壁碳纳米管。 更准确地说,本申请的发明使得能够生产具有受控直径的单壁碳纳米管,既不需要多孔材料也不需要用作催化剂载体的催化剂颗粒。 金属基催化剂和单晶基板的组合的一个实例是Fe和蓝宝石衬底的组合。