Fabrication of Graphene by Electrochemical Exfoliation in Alkaline Electrolytes

机译：碱性电解质中的电化学剥离制造石墨烯

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Fabrication of graphene was demonstrated by electrochemical exfoliation of graphite in an ammonium hydroxide solution. The processing parameter of applied voltage was optimized to accomplish graphene productivity and desired chemical composition. Images from the atomic force microscopy showed graphene sheets with lateral sizes of several hundred nanometers. Images from the transmission electron microscopy indicated the existence of stacked graphene sheets with thickness of a few graphene layers. Raman spectroscopy confirmed variation of as-synthesized graphene and bulk graphite. X-ray photoemission spectroscopy suggested the formation of graphene oxide at large voltage.

机译：通过氢氧化铵溶液中石墨的电化学剥离来证明石墨烯的制备。优化施加电压的加工参数以实现石墨烯生产率和所需的化学成分。来自原子力显微镜的图像显示具有数百纳米的横向尺寸的石墨烯片。来自透射电子显微镜的图像表明存在堆叠的石墨烯片，厚度为几个石墨烯层。拉曼光谱证实了合成的石墨烯和散装石墨的变化。 X射线照相扫描光谱表明在大电压下形成石墨烯氧化物。

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《Symposium on Carbon Nanostructures 4 - Fullerenes to Graphene》|2014年||共6页
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Li-Chung Chang; Yu-Chi Hsieh; Yong-Min Chen; Pu-Wei Wu; Jyh-Fu Lee;
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Fabrication of Graphene by Electrochemical Exfoliation in Alkaline Electrolytes

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