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首页> 外文期刊>Analytica chimica acta >A novel electrochemical sensor based on 2D CuTCPP nanosheets and platelet ordered mesoporous carbon composites for hydroxylamine and chlorogenic acid
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A novel electrochemical sensor based on 2D CuTCPP nanosheets and platelet ordered mesoporous carbon composites for hydroxylamine and chlorogenic acid

机译：基于2D COFCPP纳米片的新型电化学传感器和血小板有序的羟胺和绿原碳复合材料

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In this work, porphyrin-based 2D MOF CuTCPP/platelet ordered mesoporous carbon (pOMC) composites were successfully synthesized by conventional solvothermal reaction. The introduction of pOMC increases conductivity of CuTCPP/pOMC composites, weakens accumulation of the CuTCPP layers, and exposes active sites of CuTCPP. CuTCPP/pOMC composites show high electro-catalytic activity to the oxidation of hydroxylamine and the redox of chlorogenic acid. An electrochemical sensor based on CuTCPP/pOMC was constructed for quantitative determination of hydroxylamine and chlorogenic acid, and relevant mechanisms were discussed. Under optimized conditions, the fabricated sensor displays two wide linear responses in the ranges of 5.8-733.8 mu M and 733.8-2933.8 mu M for hydroxylamine, with a rapid response time about 1 s. For chlorogenic acid, the sensor presents linear responses in the ranges of 0.1-2 mu M and 2-15 mu M, with a high sensitivity of 10.18 mu A/mu M. The sensor was used to detect hydroxylamine and chlorogenic acid in real samples, and satisfactory results were obtained. The synthesis of CuTCPP/pOMC composites provides new strategy for designing electrochemical sensors based on 2D MOFs. (C) 2019 Elsevier B.V. All rights reserved.
机译：在这项工作中，通过常规的溶剂热反应成功地合成了基于卟啉的2D MOF Cutcpp /血小板订购的介孔碳（POMC）复合材料。 POMC的引入增加了CUDCPP / POMC复合材料的导电性，削弱了CUTCPP层的积累，暴露了CUDCPP的活性位点。 CutCPP / POMC复合材料显示出高电催化活性至羟胺的氧化和绿原酸的氧化还原。构建了基于Cutcpp / POMC的电化学传感器，用于定量测定羟胺和绿原酸，并讨论了相关机制。在优化条件下，制造的传感器在5.8-733.8 mu m和733.8-2933.8 mu m的范围内显示出两种宽线性响应，对于羟胺，具有快速响应时间约为1 s。对于绿原酸，传感器在0.1-2μm和2-15μm的范围内呈现线性反应，具有10.18μma/ mu m的高灵敏度。传感器用于检测真实样品中的羟胺和绿原酸获得了令人满意的结果。 Cutcpp / POMC复合材料的合成提供了基于2D MOF设计的电化学传感器的新策略。 （c）2019年Elsevier B.V.保留所有权利。

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