Synthesis of soluble graphene nanosheets from graphite fluoride in low-temperature molten hydroxides
Synthesis of soluble graphene nanosheets from graphite fluoride in low-temperature molten hydroxides
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低温熔融氢氧化物中氟化石墨合成可溶性石墨烯纳米片
DOI：
10.1016/j.matlet.2014.07.119
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发表时间：
2014-11
影响因子：
3
通讯作者：
Zhao, Yidong
中科院分区：
文献类型：
--
作者：
Liang, Xianqing;Guo, Jin;Liang, Shuiying;Hong, Caihao;Zhao, Yidong
利用氟化石墨与熔融氢氧化物在低温下反应制备石墨烯纳米片(GNS)是一种简便而有效的方法。通过反应，产物在乙醇溶液中表现出良好的分散性，可以自我剥离成GNS。用显微镜和光谱分析技术对GNS的形貌和结构进行了表征。结果表明，GNS呈褶皱状结构，片层厚度小，含氧官能团较少，是由于氟原子被羟基取代而产生的。本研究为大规模生产具有潜在应用前景的可溶性GNS提供了一条经济有效的途径。
A facile but efficient method has been developed to prepare graphene nanosheets (GNS) by reacting graphite fluoride with molten hydroxides at low temperature. Through the reaction, the resultant product shows a good dispersion in ethanol solution to self-exfoliate into GNS. The morphology and structure of GNS were characterized by microscopic and spectroscopic techniques, respectively. The results indicate that the GNS exhibit wrinkled structure with small sheet thickness and contain low quantities of oxygen functional groups arising from the displacement of fluorine atoms by hydroxyl radicals. This study provides a cost-effective route to large-scale production of soluble GNS for many potential applications.
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