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首页> 外文期刊>Sensors and Actuators >An effective solid contact for an all-solid-state polymeric membrane Cd~(2+)-selective electrode: Three-dimensional porous graphene-mesoporous platinum nanoparticle composite
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An effective solid contact for an all-solid-state polymeric membrane Cd~(2+)-selective electrode: Three-dimensional porous graphene-mesoporous platinum nanoparticle composite

机译：全固态聚合物膜Cd〜（2+）选择电极的有效固体接触：三维多孔石墨烯-介孔铂纳米粒子复合材料

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摘要

The three-dimensional porous graphene-mesoporous platinum nanoparticle (3D PGR-MPN) composite is used as solid contact for developing an all-solid-state polymeric membrane Cd~(2+) ion-selective electrode (Cd~(2+)-ISE). The 3D PGR with MPNs as cross-linking sites can be synthesized by a facile hydrotherMal co-assembly method. The obtained 3D PGR-MPN composite is promising for acting as solid contact due to its unique characteristics such as high interfacial area, superior double layer capacitance, excellent conductivity and high hydrophobicity. The ISE exhibits a stable Nernstian response in the range of 10~(-8)-10~(-4) M and the detection limit is 10~(-8.8) M. The 3D PGR-MPN-based Cd~(2+)-ISE shows good potential response and no water layer exists between the polymeric membrane and the 3D PGR-MPN layer. Additionally, the proposed Cd~(2+)-ISE is robust to O_2, CO_2 and light interferences. This work provides a versatile method for preparing an effective solid contact to develop a stable and reliable all-solid-state ISE.
机译：三维多孔石墨烯-介孔铂纳米粒子（3D PGR-MPN）复合材料用作固态触点，用于开发全固态聚合物膜Cd〜（2+）离子选择电极（Cd〜（2 +）- ISE）。可以通过简便的水热共组装法合成以MPN为交联位点的3D PGR。所获得的3D PGR-MPN复合材料由于其独特的特性，如高界面面积，优异的双层电容，优异的导电性和高疏水性，有望用作固体接触。 ISE在10〜（-8）-10〜（-4）M范围内表现出稳定的能斯特响应，检测极限为10〜（-8.8）M。基于3D PGR-MPN的Cd〜（2+ ）-ISE显示出良好的电位响应，并且聚合物膜和3D PGR-MPN层之间不存在水层。另外，提出的Cd〜（2 +）-ISE对O_2，CO_2和光干扰具有鲁棒性。这项工作为准备有效的固态触点以开发稳定可靠的全固态ISE提供了一种通用的方法。

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  • 来源
    《Sensors and Actuators》 |2017年第2期|438-446|共9页
  • 作者

    Jinghui Li; Tanji Yin; Wei Qin;

  • 作者单位

    Key Laboratory of Coastal Environmental Processes and Ecological Remediation, Yantai Institute of Coastal Zone Research (YIC), Chinese Academy of Sciences (CAS), Shandong Provincial Key Laboratory of Coastal Environmental Processes, YICCAS, Yantai, Shandong 264003, PR China,University of the Chinese Academy of Sciences, Beijing 100049, PR China;

    Key Laboratory of Coastal Environmental Processes and Ecological Remediation, Yantai Institute of Coastal Zone Research (YIC), Chinese Academy of Sciences (CAS), Shandong Provincial Key Laboratory of Coastal Environmental Processes, YICCAS, Yantai, Shandong 264003, PR China;

    Key Laboratory of Coastal Environmental Processes and Ecological Remediation, Yantai Institute of Coastal Zone Research (YIC), Chinese Academy of Sciences (CAS), Shandong Provincial Key Laboratory of Coastal Environmental Processes, YICCAS, Yantai, Shandong 264003, PR China;

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

    Three-dimensional porous graphene; Mesoporous platinum nanoparticles; Solid contact; All-solid-state ion-selective electrode; Cadmium;

    机译：三维多孔石墨烯;介孔铂纳米粒子;牢固接触;全固态离子选择电极;镉;

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