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A poly(3,4-ethylenedioxythiophene)/carbon nanotube hybrid film for electrocatalytic determination of tertiary butylhydroquinone
Analyst ( IF 3.6 ) Pub Date : 2021-08-26 , DOI: 10.1039/d1an01342d
Cunli Wang 1 , Fudan Zhu 1 , Zhe Yu 1 , Xian Zhou 1 , Wenjing Cheng 1 , Fengchun Yang 1 , Xin Zhang 1
Affiliation  

The preparation of ideal sensing materials is of great significance for the realization of high-performance electrochemical analysis. However, in previous methods, most electrode materials are firstly synthesized and dispersed, finally dropped on the electrode surface, which led to complicated operation and poor adhesion between the materials and electrode surface. In this study, a PEDOT–CNT hybrid film has been prepared by combining carboxylated carbon nanotubes as dopants with PEDOT through scalable and easy-to-operate electrochemical deposition. The PEDOT–CNT modified electrode shows excellent performance for the determination of tertiary butylhydroquinone, with a wide linear range of 0.5–820 μM, a low detection limit of 0.12 μM, high stability and reproducibility. In addition, the mechanism of electrodeposition of CNTs and tertiary butylhydroquinone has also been discussed briefly. The PEDOT–CNT hybrid film possesses the preeminent sensing capacity in monitoring tertiary butylhydroquinone, providing research clues for the design and development of new electrode materials in the future.

中文翻译:

用于电催化测定叔丁基对苯二酚的聚(3,4-乙撑二氧噻吩)/碳纳米管杂化膜

理想传感材料的制备对于实现高性能电化学分析具有重要意义。然而,在以往的方法中,大多数电极材料都是先合成并分散,最后滴在电极表面,导致操作复杂,材料与电极表面之间的附着力差。在这项研究中,通过可扩展且易于操作的电化学沉积将作为掺杂剂的羧化碳纳米管与 PEDOT 相结合,制备了 PEDOT-CNT 混合膜。PEDOT-CNT修饰电极在测定叔丁基对苯二酚方面表现出优异的性能,线性范围为0.5-820 μM,检测限低至0.12 μM,稳定性和重现性高。此外,还简要讨论了碳纳米管和叔丁基对苯二酚的电沉积机理。PEDOT-CNT杂化膜在监测叔丁基对苯二酚方面具有卓越的传感能力,为未来新型电极材料的设计和开发提供了研究线索。
更新日期:2021-10-07
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