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¿ÉÒԲο¼¿´¿´ÏÂÃæµÄÎÄÏ×£º Microwave synthesis of nanocarbons from conducting polymers Xinyu Zhang and Sanjeev K. Manohar* Chem. Commun., 2006, 2477¨C2479. ×÷ÕߵľÀú·Ç³£¸ÐÈË£¬ÖµµÃѧϰһÏ£¡ Abstract This study describes a simple and rapid microwave heating method to synthesize nanocarbons having pre-selected bulk morphology (spheres, fibers, tubes) directly from conducting polymers having similar morphology. When doped conducting polymers are heated in a conventional microwave oven in air, the temperature rises to red heat in a few seconds resulting in a rapid loss of heteroatoms, dopant ions, etc., and in the conversion of conducting polymers to nanocarbons. The bulk morphology of the conducting polymer is retained after microwave heating, extending the potential use of our recently described seeding/templating methods to synthesize bulk quantities of nanofibers/nanotubes of all major classes of conducting polymers. ûÓÐÏëµ½¶Á²©ºóÆÚ¾ÓÈ»¿ªÊ¼ÉÕÌ¿ÁË£¬¶øÇÒÊÇÓÃ΢²¨Â¯¡£ÏàÐÅ´ó¼Ò¶¼ÖªµÀÓÃ΢²¨Â¯ÓÐÒ»µã³£Ê¶£¬¾ÍÊDz» Òª°Ñ½ðÊô·Å½øÈ¥¡£Èç¹ûÄ㲻СÐÄ£¬°ÑÄãµÄ²»Ðâ¸ÖÉ××ӷŽøÈ¥£¬ÄǾ͵È×Å¿´¾«²ÊµÄµç»ð»¨°É£¡ µ¼µç¾ÛºÏÎïÒ²ÊÇÒ»Ñù£¬ÓÉÓÚµ¼µçÐԺܸߣ¬ËùÒԷŽøÎ¢²¨Â¯Ö®ºó£¬ºó¹ûÓë½ðÊôÉ××ÓÔÚ΢²¨Â¯Àï²î²»¶à¡£ ¿ÉÒԺܿìµÄ¼ÓÈÈ£¬ÉõÖÁ·Åµç¡£ºÜ¾ÃÒÔǰ´óÀϰåÊÔ¹ý¾Û±½°·£¬À´×öËÜÁÏÕ³½áµÄ²ÄÁÏ¡£ÓÉÓÚ¾Û±½°·ÔÚ¸ßÈÈÏ弆 ¿ìÈ¥²ôÔÓ±ä³É¾øÔµÌ壬ÓëÆÕͨËÜÁÏÎÞÒ죬ËùÒÔ²»ÖÁÓÚÓеç»ð»¨²úÉú¡£ËùÒÔËûÃǵÄÑо¿½öÏÞÓÚ¼Ó¼ÓÈÈ£¬ÈÛÈÚ ËÜÁÏÖ®Àà¡£ ÓÉÓÚÎÒ¶þÀϰ壨ÏÖÈÎÀϰ壩ƽʱ¸ø±È½Ï´óµÄ×ÔÓɶȣ¬ËùÒÔÎÒÔÚʵÑéÊÒÓеã¶ù¡°ÎªËùÓûΪ¡±¡£ÓÉÓÚÆ½Ê± ÓÐЩÎÄÏ׵ĻýÀÛ£¬ÎÒ¶Ônanocarbon Ҳͦ¸ÐÐËȤ¡£ÐÄÏëÎÒÃÇËù×÷µÄµ¼µç¾ÛºÏÎïÄÉÃײÄÁÏ£¬ºÍnanocarbon Ö»ÓРһǽ֮¸ô£¬Èç¹ûÓÐÒ»ÖÖ·½·¨ÄÜÔÚ¶Ìʱ¼äÄÚ×àЧ½«ÊǶàôÃÀÃîµÄÊ¡£ÎÒÏëµ½ÁË΢²¨Â¯£¬ÓÉÓÚµ¼µç¾ÛºÏÎïÓë½ð ÊôµÄ¹²ÐÔ£¬Ò²Ðí¡¡¡²»·ÁÒ»ÊÔ£¬¹ûÈ»¡¡¡ ²»ÖªµÀ´ó¼ÒÊì²»ÊìϤnanocarbon µÄÖÆ×÷¹ý³Ì£ºÏÈÒªºÏ³ÉһЩÄÉÃ׽ṹµÄ¾ÛºÏÎïprecursor£¨ÊýСʱ£©£¬ ÀýÈ磺polyacrylonitrile£¬ÕâÒ»²½¾ö¶¨nanocarbon µÄmorphology£¬È»ºóÒªÔÚ¸ô¾øÑõÆøµÄÌõ¼þÏ£¨ÏȳéÕæ¿Õ£¬ È»ºóͨ¶èÆø£¬ÊýСʱ£©¼ÓÈȵ½ÉÏǧ¶È¸ßΣ¨ÊýСʱ£©£¬ÔÙ±£ÎÂÊýСʱ£¬È»ºó½µµ½ÊÒΣ¨ÊýСʱ£©¡£Õû¸ö¹ý³Ì ×î¶àÒªÊýÌì²Å¿ÉÒԵõ½²úÎǰЩÈÕ×Ó£¬ÓÐÒ»ÀϸçÔÚһƪpaper ÀïʹÓÃÁËÒ»¸öÃû´Ê: ¡°carbonization in a day¡±£¬ ËûÃǺܵÃÒ⣬¿ÉÒÔÔÚÒ»ÌìÄÚÉÕ³öһ¯̿À´£¬µ±È»Ò²´Ó²àÃæËµÃ÷ÔÚÒ»ÌìÀïÉÕ³öÌ¿À´ÊǷdz£Äѵġ£¶øÎÒÃÇÔÚ΢ ²¨Â¯ÀïÉÕÌ¿¿ÉÒÔÔÚ¼¸·ÖÖÓÄڸ㶨һÇУ¬»¹²»ÓÃ¶èÆø±£»¤¡£´Óµ¥Ìåµ½¾ÛºÏÎµ½nanocarbon Ö»ÐèÒª²»µ½Ò»¸ö Сʱ¡£¿ÉϧµÄÊÇ£¬±¾À´Í¦´óһʶù£¬JACS ¾ÓÈ»²»ÊÕ£¬°¦£¬ËãËûÃǵÄËðʧ£¨Ò²ÊÇÎÒµÄËðʧ£¬ÒòΪÈç¹ûËûÃÇ ½ÓÊÜÁË£¬ÄÇÎÒÏÖÔÚÔõôҲÊÇMedium Qualified ÁË£©£¬ºóÀ´×ªÍ¶ÁËChemComm¡£¿´¿´½«À´´ó¼ÒÊDz»ÊÇÈÏ¿ÉÕâ ÖÖ·½·¨°É¡£ ²»ÖªµÀ´ó¼ÒÓÐûÓдӹÊÊÂÀïÃæÊÜÒæ£¬ÎÒ×ÜÊǾõµÃ×öÑо¿ÒªÓÐÀÖȤ£¬ÓÈÆäÊÇ×÷PhD£¬ÄÇôÂþ³¤£¬Èç¹ûû ÓÐÐËȤ£¬ÕæµÄÊÇÔÖÄѺÍÍ´¿à¡£Ò²ÐíÄãÏÖÔÚ»¹Ã»ÓÐÌ«´óµÄÐËȤ£¬ÄÇôÇëÄ㾡¿ìÅàÑø³öÐËȤÀ´¡£×£´ó¼ÒÔÚÐÂµÄ Ò»ÄêÀѧϰ½ø²½£¬ÊÂÒµÓгɣ¡ http://www.rsc.org/ej/CC/2006/b603925a.pdf [ Last edited by lingyun79 on 2008-3-20 at 23:26 ] |
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