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Polyaniline nanoflowers grafted onto nanodiamonds via a soft template- guided secondary nucleation process for high-performance glucose sensing

机译:聚苯胺纳米辊通过软模板引导的二次成核法接枝到纳米胺上,用于高性能葡萄糖感测

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摘要

Superfine polyaniline (PANI) nanoflowers (NF) with protruded whiskers at the edge of the flowers were produced on the surface of nanodiamonds (NDs) using cetyltrimethylammonium bromide (CTAB) as a soft template and fine tuning the graft co-polymerization conditions. Typically, the amount of aminofunctionalized ND (ND-NH2) and the soft template CTAB used in the graft polymerization plays an important role in directing the NF morphology. The correlation between the amount of ND-NH2 and morphology has been discussed in terms of secondary nucleation for PANI growth. More importantly, the ND-grafted PANI (NDx-g-PANI) NF exhibits a superior performance for glucose detection and possesses wider linear concentration range (1-30 mM), low detection limit (0.018 mM), and high sensitivity (2.03 mu A mM(-1)) as compared to most of the enzyme glucose sensors fabricated with either PANI or carbon nanostructures. The results obtained from this study offer scope for future studies on the fabrication of new biosensors with other aniline derivatives and carbon nanostructures.
机译:使用甲酰基三甲基溴化铵(CTAB)作为软模板,在纳米二胺(NDS)的表面上产生具有突出的晶片的超细聚苯胺(PANI)纳米辊(NF),用甲酰基三甲基溴(NDS)作为软模板,细小接枝共聚条件进行微调。通常,在接枝聚合中使用的氨基官能化Nd(Nd-NH2)和软模板CTAB的量在引导NF形态中起着重要作用。在对PANI生长的次生成核方面讨论了ND-NH2和形态之间的相关性。更重要的是,ND-接枝的PANI(NDX-G-PANI)NF对葡萄糖检测表现出优异的性能,并且具有更宽的线性浓度范围(1-30mm),低检测限(0.018mm)和高灵敏度(2.03μm与大多数用PANI或碳纳米结构制造的酶葡萄糖传感器相比,MM(-1))。本研究获得的结果提供了未来研究新生物传感器与其他苯胺衍生物和碳纳米结构的研究的范围。

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  • 来源
    《RSC Advances》 |2017年第25期|共10页
  • 作者单位

    Kyungpook Natl Univ Dept Chem Educ Daegu South Korea;

    Kyungpook Natl Univ Res Inst Adv Energy Technol Daegu South Korea;

    Kyungpook Natl Univ Dept Chem Educ Daegu South Korea;

    Kyungpook Natl Univ Res Inst Adv Energy Technol Daegu South Korea;

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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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