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´ó¼ÒºÃ£¡ СµÜ Õý¿ªÊ¼Óöà±Ú̼ÄÉÃ׹ܣ¬×öµÄÊǶÔÓлúÎïµÄÎü¸½ ÓиöÎÊÌâÏëÇë½ÌÏ ¹ØÓÚ¶à¶à±Ú̼ÄÉÃ׹ܺ¬ÑõÁ¿MWCNTs-O Õâ¸öÖ¸±êÊÇÔõôÀ´µÄ£¿ ÂòÀ´µÄ¶à±Ú̼ÄÉÃ×¹Üδ¹¦ÄÜ»¯µÄ º¬²»º¬Ñõ£¿ ¿´µ½ºÜ¶àÎÄÕ¶¼ÊÇ¶Ô MWCNTs8, MWCNTs30, MWCNTs50 ÒÔ¼°ÓëMWCNTs-OÕâ¸öµÄ½øÐÐÎü¸½¶Ô±È ¶à±Ú̼ÄÉÃ׹ܲ»ÊDZ¾À´¾ÍÓ¦¸Ãº¬ÑõÂ𣿠MWCNTs were purchased from Chengdu Organic Chemistry Co. Ltd., Chinese Academy of Sciences. These MWCNTs were synthesized from ethylene/nitrogen (C2H4/N2 = 3/2) mixture by chemical vapor deposition at 823K using Fe/Al2O3 catalyst. MWCNTs with outer diameters of <8 nm, 30¨C50nm and >50nm were designated as MWCNTs8, MWCNTs30, MWCNTs50, respectively. According to the contained oxygen contents other MWCNTs with outer diameters of 10¨C20nm were designated as MWCNTs-O(1.52%), MWCNTs-O(2.66%) and MWCNTs-O(7.58%), respectively. |
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