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首页> 外文期刊>Chemistry: A European journal >Functionalization of Hydrogenated Chemical Vapour Deposition- Grown Graphene by On-Surface Chemical Reactions
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Functionalization of Hydrogenated Chemical Vapour Deposition- Grown Graphene by On-Surface Chemical Reactions

机译：表面化学反应氢化化学气相沉积石墨烯的官能化

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摘要

The reactivity of hydrogenated graphene when treated with oxidising agents, KMnO_4 and KIO_4, as well as alkylated with benzyl bromide (BnBr) was studied. The probed reactions are strictly limited to the partly hydrogenated form of graphene in which most of the hydrogen atoms are located in activated benzylic/allylic positions. This, in turn, clearly demonstrates the presence of hydrogen attached to the graphene lattice. Attachment of the benzyl group was also unequivocally demonstrated by characteristic vibrations recorded in the surface-enhanced Raman spectra, and all reactions were shown to proceed solely on hydrogenated graphene as evidenced by the comparison with pristine chemical vapour deposition-grown graphene.
机译：研究了用氧化剂处理时氢化石墨烯的反应性，KIMNO_4和KIO_4以及用苄基溴（BNBR）烷基化。 探针反应严格限于部分氢化形式的石墨烯，其中大多数氢原子位于活性苄基/烯丙基位置。 反过来，这清楚地证明了附着在石墨烯晶格上的氢的存在。 通过在表面增强的拉曼光谱中记录的特征振动也明确证明了苄基的附着，并且所有反应的所有反应都仅在与原始化学气相沉积的石墨烯的比较中证明的那样。

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  • 来源
    《Chemistry: A European journal》 |2017年第17期|共6页
  • 作者

    Karolina Drogowska; Petr Kova?í?ek; Martin Kalbá?;

  • 作者单位

    Department of Low Dimensional Systems J. Heyrovsky Institute of Physical Chemistry Academy of Sciences of the Czech Republic v.v.i. Dolejskova 2155/3 18223 Prague 8 (Czech Republic);

    Department of Low Dimensional Systems J. Heyrovsky Institute of Physical Chemistry Academy of Sciences of the Czech Republic v.v.i. Dolejskova 2155/3 18223 Prague 8 (Czech Republic);

    Department of Low Dimensional Systems J. Heyrovsky Institute of Physical Chemistry Academy of Sciences of the Czech Republic v.v.i. Dolejskova 2155/3 18223 Prague 8 (Czech Republic);

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

    functionalization; graphene; hydrogenation; Raman spectroscopy; surface chemistry;

    机译：官能化;石墨烯;氢化;拉曼光谱;表面化学;

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