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5Â¥2010-11-03 10:09:37
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wandaohzl(½ð±Ò+1):¹ÄÀø½»Á÷ 2010-10-24 10:14:57
qc2121(½ð±Ò+1): 2010-10-24 21:15:37
wandaohzl(½ð±Ò+1):¹ÄÀø½»Á÷ 2010-10-24 10:14:57
qc2121(½ð±Ò+1): 2010-10-24 21:15:37
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qc2121(½ð±Ò+1): 2010-10-24 21:15:20
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ÒÔÉÏ˵µÄÖ»ÊÇһЩÖ÷Òª»ùÍÅ£¬Æäʵ²»Í¬µÄÑõ»¯·½·¨¶¼Óв»Í¬µÄÑõ»¯»ùÍŶ¼Óвî±ðµÄ£¬ÄãÒª¿´Ò»ÏÂÕâÆªÎÄÏ× £ºNATURE CHEMISTRY | VOL 2 | JULY 2010 | www.nature.com/naturechemistry Structural evolution during the reduction of chemically derived graphene oxide |
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qc2121(½ð±Ò+1): 2010-10-24 21:14:56
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Our study on the surface charge (zeta potential) of as-prepared GO sheets shows that these sheets are highly negatively charged when dispersed in water (Fig. 2a), apparently as a result of ionization of the carboxylic acid and phenolic hydroxyl groups that are known to exist on the GO sheets13,14. |
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