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Graphene composite coated carbon fiber: electrochemical synthesis and application in electrochemical sensing

机译：石墨烯复合涂层碳纤维：电化学合成与电化学传感的应用

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摘要

A universal method for the fabrication of graphene composite modified carbon fiber is reported. This method contains two consecutive electrochemical steps. Firstly, the compact and corrugated graphene film is coated onto the carbon fiber (graphene coated carbon fiber, GCF) by electrochemically reducing graphene oxide (GO) dispersion followed by drying in air. Subsequently, the second components are electrochemically deposited on the graphene film, forming the graphene composite modified carbon fiber. The amount of both the graphene and the second components can be easily controlled by the electrochemical parameters. Double salt/GCF, noble metal nanoparticles/GCF, conducting polymer/GCF and layered double hydroxide/GCF were successfully prepared, suggesting the versatility of this method. The PB/GCF showed a good electro-catalytic activity towards H2O2 and can be used in the detection of H2O2 with a wide linear range from 10 to 1310 mM and high sensitivity of 2.2 mA cm(-2) mM(-1). This method developed here may open a new way to the fabrication of high performance CF-based electrochemical microsensors.
机译：报道了制备石墨烯复合改性碳纤维的通用方法。该方法包含两个连续的电化学步骤。首先，通过电化学减少石墨烯（GO）分散，在空气中涂覆到碳纤维（石墨烯涂覆的碳纤维，GCF）上涂覆到碳纤维（石墨烯涂覆的碳纤维，GCF）上。随后，第二组分在石墨烯膜上电化学沉积，形成石墨烯复合改性碳纤维。石墨烯和第二组分的量可以通过电化学参数容易地控制。成功制备了双盐/ GCF，贵金属纳米粒子/ GCF，进行聚合物/ GCF和层状双氢氧化物/ GCF，表明该方法的多功能性。 PB / GCF向H 2 O 2显示出良好的电催化活性，可用于检测H 2 O 2，宽线性范围为10至1310mm，高灵敏度为2.2 mA cm（-2）mm（-1）。此处开发的该方法可以打开一种用于制造高性能CF基电化学微传感器的新方法。

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  • 来源
    《RSC Advances》 |2016年第14期|共6页
  • 作者

    Bai Jie; Qi Pengfei; Ding Xiaoteng; Zhang Huimin;

  • 作者单位

    Beijing Inst Technol Sch Chem Beijing 100081 Peoples R China;

    Beijing Inst Technol Sch Chem Beijing 100081 Peoples R China;

    Beijing Inst Technol Sch Chem Beijing 100081 Peoples R China;

    Beijing Inst Technol Sch Chem Beijing 100081 Peoples R China;

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