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首页> 外文期刊>Chemistry: A European journal >A Resettable Keypad Lock with Visible Readout Based on Closed Bipolar Electrochemistry and Electrochromic Poly(3-methylthiophene) Films
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A Resettable Keypad Lock with Visible Readout Based on Closed Bipolar Electrochemistry and Electrochromic Poly(3-methylthiophene) Films

机译：基于封闭的双极电化学和电致变色聚（3-甲基噻吩）薄膜的可见读数可重置键盘锁

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摘要

A closed bipolar electrode (BPE) system was developed with electrochromic poly(3-methylthiophene) (PMT) films electropolymerized on the ITO/rGO electrode as one pole of BPE in the reporting reservoir and the bare ITO electrode as another pole of BPE in the analyte reservoir, in which rGO represents reduced graphene oxide. Under a suitable driving voltage (V-tot), the electrochemical reduction/oxidation of electroactive probes, such as H2O2/glutathione (Glu), in the analyte reservoir could induce the reversible color change of PMT films in the reporting reservoir between blue and red. Based on this, a keypad lock with H2O2, Glu, and V-tot=-3.0V as the three inputs and the color change of PMT films as the visible output was established. This system was easily operated and did not need to synthesize the complex compounds or DNA molecules. The security system was easy to reset and could be used repeatedly.
机译：开发了一种封闭的双极电极（BPE）系统，其中电致变色聚（3-甲基噻吩）（PMT）膜在ITO / rGO电极上电聚合，作为报告储层中BPE的一个极点，而裸ITO电极作为电介质在报告储层中作为BPE的另一个极点。分析物储层，其中rGO代表还原的氧化石墨烯。在适当的驱动电压（V-tot）下，分析物容器中的电活性探针（如H2O2 /谷胱甘肽（Glu））的电化学还原/氧化作用可能会导致报告容器中PMT膜在蓝色和红色之间发生可逆的颜色变化。 。基于此，建立了以H2O2，Glu和V-tot = -3.0V作为三个输入以及PMT膜的颜色变化作为可见输出的键盘锁。该系统易于操作，不需要合成复杂的化合物或DNA分子。该安全系统易于重置，可以重复使用。

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