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聚苯胺修饰石墨烯纳米片的分散行为

DISPERSION BEHAVIOR OF PANI-MODIFIED GRAPHENE NANOSHEETS OBTAINED BY REDUCTION OF GRAPHENE OXIDE
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摘要 针对氧化石墨(GO)用化学方法还原为石墨烯纳米片(GN)后极易再配列为类似石墨结构层状物的问题,本工作在GO还原过程中用聚苯胺(PANI)修饰石墨烯纳米片(P-GN),发现即使干燥后,P-GN仍可在N,N-二甲基甲酰胺(DMF)中呈分散状态稳定存在. Graphene nanosheets (GN), produced by chemical reduction of graphite oxide (GO), are easily aggregated, restacking to a graphite-like layered structure in liquid. To overcome this problem, the present work introduced polyaniline (PANI) during the GO reduction process to modify graphene nanosheets (P-GN). Data showed that even after drying, P-GN can still be stably dispersed in N, N-dimethylformamide.
出处 《北京师范大学学报(自然科学版)》 CAS CSCD 北大核心 2011年第4期387-390,共4页 Journal of Beijing Normal University(Natural Science)
基金 国家自然科学基金资助项目(50872012)
关键词 石墨烯纳米片 氧化石墨纳米片 高分子修饰 分散溶剂 graphene nanosheet graphite oxide nanosheet polymer modification dispersion solvent
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