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Reduction of a colloidal suspension of exfoliated graphene oxide sheets in water with hydrazine hydrate results in their aggregation and subsequent formation of a high-surface-area carbon material which consists of thin graphene-based sheets. The reduced material was characterized by elemental analysis, thermo-gravimetric analysis, scanning electron microscopy, X-ray photoelectron spectroscopy,NMR spectroscopy, Raman spectroscopy, and by electrical conductivity measurements. ±¾ÎÄÖ÷Òª½²ÁËÓÃ뻹ÔÍÑÂäµÄÑõ»¯Ê¯Ä«Ï©»ùÆ¬ÖÆ±¸Ê¯Ä«Ï©£¬²¢Óëʯī½øÐÐÁ˱íÕ÷µÄ¶Ô±È¡£ |
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