Emerging on-chip microcells in electrocatalysis: functions of window and circuit

EES catalysis Pub Date : 2023-09-07 DOI:10.1039/D3EY00168G
Jinbo Wang, Mengyi Qiu, Yubin Jiang, Hang Xia, Xiuyun An, Shuangyin Wang and Yongmin He
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Abstract

An electrocatalytic process that efficiently converts the reactants into high-value-added chemicals has attracted increasing attention in renewable energy fields. Specifically, understanding such a process at a single-material level will be of fundamental importance for catalyst design and mechanism explorations as well. Thanks to the development of electronic devices, on-chip microcells have emerged as a powerful platform through which significant progress has been impressively made. Here, this review provides an overview of the progress based on on-chip microcells. We first introduce how the on-chip microcell develops from electronic transistors like field effect-based and electric double-layer-based ones. Next, we discuss current achievements relying on their two basic functions: the reaction window and the circuit; the former is mainly focused on the active sites, for example, identification of active sites as well as monitoring of their changes; the latter sheds light on its circuit characteristics, such as electrical-field modulation, contact engineering for charge injection, and in situ conductance measurement of metallic and nonmetallic catalysts. Finally, we give personal perspectives on this emerging field, including the current challenges and potential applications.

Abstract Image

电催化中新兴的片上微电池:窗口和电路的功能
一种将反应物有效转化为高附加值化学品的电催化过程在可再生能源领域引起了越来越多的关注。具体而言,在单一材料水平上理解这样一个过程对催化剂设计和机理探索也至关重要。由于电子设备的发展,片上微蜂窝已经成为一个强大的平台,通过它取得了令人印象深刻的重大进展。在这里,这篇综述提供了基于片上微信元的进展概述。我们首先介绍了片上微电池是如何从基于场效应和基于双电层的电子晶体管发展而来的。接下来,我们根据它们的两个基本功能来讨论当前的成就:反应窗口和电路;前者主要关注活跃位点,例如,活跃位点的识别以及对其变化的监测;后者揭示了其电路特性,如电场调制、电荷注入的接触工程以及金属和非金属催化剂的原位电导测量。最后,我们对这一新兴领域给出了个人观点,包括当前的挑战和潜在的应用。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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