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Graphene material prepared by thermal reduction of the electrochemically synthesized graphite oxide

机译:通过热还原电化学合成的石墨氧化物制备的石墨烯材料

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摘要

In the present work we demonstrate a simple and effective way to produce bulk quantities of graphene material. For the first time, graphite oxide (GO), synthesized by electrochemical treatment of natural graphite in HClO4 aqueous solution, was used to obtain thermally exfoliated-reduced graphite oxide (TRGO). Herein, GO was thermally exfoliated and reduced at 500 degrees C in air, giving the final product of TRGO. Due to shock treatment, the volume of the synthesized TRGO drastically increased compared to the starting GO. Furthermore, the exfoliation process resulted in a significant decrease in the concentration of oxygen functionalities. The choice of GO exfoliation temperature was preceded by thermogravimetric analysis (TGA). TRGO was characterized using X-ray diffraction (XRD), Raman spectroscopy, X-ray photoelectron spectroscopy (XPS), scanning electron microscopy (SEM) and atomic force microscopy (AFM) analysis.
机译:在本工作中,我们展示了一种制造石坯料量的简单有效的方法。 首次通过HCLO4水溶液中天然石墨的电化学处理合成的石墨氧化物(GO),用于获得热剥离还原的石墨氧化物(TRGO)。 在此,在空气中热剥离并在500摄氏度下减少,得到TRGO的最终产物。 由于休克治疗,与起始转移相比,合成的Trgo的体积大大增加。 此外,剥离过程导致氧官能团浓度显着降低。 在热重度分析(TGA)之前,去除去角度温度的选择。 TRGO以X射线衍射(XRD),拉曼光谱,X射线光电子能谱(XPS),扫描电子显微镜(SEM)和原子力显微镜(AFM)分析。

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  • 来源
    《RSC Advances》 |2016年第67期|共6页
  • 作者单位

    Poznan Univ Tech Inst Chem &

    Tech Electrochem Berdychowo 4 PL-60965 Poznan Poland;

    Adam Mickiewicz Univ NanoBioMed Ctr Umultowska 85 PL-61614 Poznan Poland;

    Adam Mickiewicz Univ NanoBioMed Ctr Umultowska 85 PL-61614 Poznan Poland;

    Adam Mickiewicz Univ NanoBioMed Ctr Umultowska 85 PL-61614 Poznan Poland;

    Adam Mickiewicz Univ NanoBioMed Ctr Umultowska 85 PL-61614 Poznan Poland;

    Poznan Univ Tech Inst Chem &

    Tech Electrochem Berdychowo 4 PL-60965 Poznan Poland;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 化学;
  • 关键词

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