Dual-electrochromic bipolar electrode-based universal platform for the construction of various visual advanced logic devices
Source abstract
Abstract
A universal logic platform based on dual-electrochromic bipolar electrodes (BPEs) for the operation of various visual advanced logic devices was designed and constructed for the first time. Two BPEs separated by three reaction channels filled with different reaction solutions constituted the closed BPE system and were used as the initial state. Under different input combinations, the electrochemical oxidation of 2, 2′ -azinobis (3-ethylbenzthiazoline-6-sulfonic acid) and the electrodeposition of Prussian blue occurred at different poles simultaneously and triggered rapid color changes that could be easily visualized by the naked eye. By defining the color changes at the two specific poles as outputs, visual advanced logic devices, including an encoder, a decoder, a demultiplexer, a keypad lock and a three-input concatenated logic circuit with two outputs, were successfully constructed. A simple electrochemical device that performs advanced logic operations has been developed by scientists in China. A bipolar electrode is a conducting material in an ionic liquid. A voltage applied across the liquid initiates electrochemical reactions that create positive and negative charges at the opposite ends of the electrode. Thus, electrical current flows through the bipolar electrode even without a current in the surrounding liquid. Now, Erkang Wang from the Changchun Institute of Applied Chemistry and colleagues have created a bipolar electrode that, unlike previous devices, can produce an optical output visible to the naked eye. Their platform comprises two bipolar electrodes separated by three electrochemical reaction channels. The researchers demonstrated its potential in various logic devices including an encoder, a decoder, a demultiplexer and a keypad lock. A universal dual-electrochromic platform that could operate various advanced logic devices whose outputs visualized by the naked eye was constructed for the first time by introducing the electrochemical oxidation of 2, 2′ -azinobis (3-ethylbenzthiazoline-6-sulfonic acid) and electrodeposition of Prussian blue into one closed bipolar electrode system.
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Research context
OpenAlex topics: Advanced biosensing and bioanalysis techniques · Conducting polymers and applications · Analytical Chemistry and Sensors
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
References (45)
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