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CVD法是制备纳米碳管的重要方法.本文研究了以乙炔为原料气,无需预先还原催化剂,以一定的程序速率从500℃升至750℃一步法生长纳米碳管,直接制备出了管径在8~12nm之间,石墨化程度好的纳米碳管.同时,对升温速率、原料气配比等因素进行了讨论,确定了CVD一步法制备纳米碳管较佳条件范围.

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