非法拉第结传感

IF 79.8 1区 材料科学 Q1 MATERIALS SCIENCE, MULTIDISCIPLINARY
Yecheng Wang, Kun Jia, Zhigang Suo
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引用次数: 0

摘要

非法拉第结(NFJ)是离子导体和电子导体之间的一种不发生电化学反应的连接。该结的行为就像一个电容器,通过化学、电和熵将离子和电流耦合起来。其充电电压曲线对各种环境信号敏感,可作为传感器;由于不发生任何反应,因此感应是非破坏性的且持久。NFJ传感器具有灵敏度高、响应速度快、体积小、可自供电等特点。这些传感器通常用于心脏、大脑和肌肉的电生理,并且在可穿戴和可植入设备和软机器人以及传感压力、声音、温度和化学物质方面的应用正在兴起。在这篇综述中,我们讨论了NFJ传感器,强调了结的每一边的器件和材料的发展。选择材料的灵活性使NFJ传感器能够满足具有挑战性的要求,例如柔软性,可拉伸性,透明度和可降解性。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

Non-faradaic junction sensing

Non-faradaic junction sensing

A non-faradaic junction (NFJ) is a connection between an ionic conductor and an electronic conductor in which no electrochemical reaction takes place. The junction behaves like a capacitor and couples the ionic and electronic currents through chemistry, electricity and entropy. Its charge–voltage curve is sensitive to various environmental signals, allowing it to function as a sensor; because no reaction occurs, the sensing is non-destructive and long-lasting. NFJ sensors have high sensitivity, rapid response and small size, and they can be self-powered. These sensors are familiarly used in electrophysiology of the heart, brain and muscles, and applications are emerging in wearable and implantable devices and soft robotics, as well as in sensing pressure, sound, temperature and chemicals. In this Review, we discuss NFJ sensors, emphasizing the development of devices and materials for each side of the junction. The flexibility in choosing materials enables NFJ sensors to fulfil challenging requirements, such as softness, stretchability, transparency and degradability.

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来源期刊
Nature Reviews Materials
Nature Reviews Materials Materials Science-Biomaterials
CiteScore
119.40
自引率
0.40%
发文量
107
期刊介绍: Nature Reviews Materials is an online-only journal that is published weekly. It covers a wide range of scientific disciplines within materials science. The journal includes Reviews, Perspectives, and Comments. Nature Reviews Materials focuses on various aspects of materials science, including the making, measuring, modelling, and manufacturing of materials. It examines the entire process of materials science, from laboratory discovery to the development of functional devices.
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