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lihw891

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Ŀǰ£¬Ö»Óм¸ÆªÎÄÏ×Ìáµ½ÁËʯīϩÔÚÓлúÈܼÁÖзÖÉ¢»úÀí.×îÊܹØ×¢µÄÊÇColeman¿ÎÌâ×éÑо¿Ìá³öµÄʯīϩÓëÓлúÈܼÁ»ìºÏµÕÀíÂÛ¡£¸ù¾ÝÕâÒ»ÀíÂÛ£¬ËûÃÇ·ÖÎöÁËÓлúÈܼÁ±íÃæÄÜÓëÆäÈܽâʯīϩÄÜÁ¦µÄ¹ØÏµ¡£ÀíÂÛ¼ÆËã±íÃ÷£¬µ±ÈܼÁ±íÃæÄÜÓëʯīµÄ±íÃæÄÜ (70 mJ∙m-2~80 mJ∙m-2)Ïà½üʱ£¬»ìºÏµÕ·Ç³£½Ó½üÓÚÁ㣬¡°Èܽ⡱¹ý³ÌÈÝÒ×½øÐС£½«ÈܼÁ±íÃæÄÜ»»Ëã³É±íÃæÕÅÁ¦ºóµÃ³ö£¬Ê¯Ä«Ï©Á¼ÈܼÁµÄ±íÃæÕÅÁ¦ÔÚ40mJ.mÒ»50mJ¡¤mÒ»Ö®¼ä¡£

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lihw891(½ð±Ò+8, ·­ÒëEPI+1): ллÄã 2011-04-03 22:22:46
Very few literatures have mentioned the mechanism that graphene dispersed in organic solvents recently, The most attentive method proposed by Coleman¡¯s group was mixed entropy between graphene and organic solvent,they analysed the relationship between surface energy of organic solvent and the ability of dissolving graphene. Theoretical calculations showed that the mixed entropy almost closing to zero when surface energy of organic solvent relate to graphite¡¯s(70 mJ∙m-2~80 mJ∙m-2) and the process for ¡°dissolution¡± would be very simple.The surface tension of graphene was about 40mJ.mÒ»50mJ•m after convert the surface energy of solvent into surface tension.
2Â¥2011-04-03 19:30:19
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hengte0627

Ìú¸Ëľ³æ (СÓÐÃûÆø)


lihw891(½ð±Ò+2): ллÄã 2011-04-03 22:22:58
Currently, only a few articles mentioned the graphite surfaces in organic solvents scattered mechanism. The biggest concern is the group study proposed Coleman graphite surfaces and organic solvents mixed primogeniture theory. According to this theory, their analysis of organic solvent surface with the relationship between the ability of dissolved graphite surfaces. The theoretical calculation show that, when the solvent with graphite surface surface can (70 mJ; m - 2 ~ 80 mJ; m - 2), mixed similar primogeniture very close to zero, "dissolving" process easier. Will solvent surface can convert to surface tension, graphite surfaces reached after the surface tension in good solvent 40mJ. M a 50mJ m. a between.
3Â¥2011-04-03 19:49:30
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