可靠的电化学设置在现场观察与大气扫描电镜。

IF 1.5 4区工程技术 Q3 MICROSCOPY

Microscopy Pub Date : 2022-06-11 DOI:10.1093/jmicro/dfac028

Kaname Yoshida, Y. Sasaki, A. Kuwabara, Y. Ikuhara

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引用次数: 0

摘要

提出了一种利用大气扫描电子显微镜对液体中电化学反应进行原位观察的新装置。所提出的液相电化学SEM系统由电化学芯片(e-chip)上的一个工作电极(WE)和插入液体电解质中的另外两个电极组成;在WE发生的电化学反应是由连接到三个电极的外部恒电位器/恒流器精确控制的。将CuSO4水溶液中的铜沉积到WE上，利用该装置实现了纳米级图像和可靠的电化学数据的同时采集。

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Reliable Electrochemical Setup for in situ Observations with an Atmospheric SEM.

A novel setup for the in situ observation of electrochemical reactions in liquids through atmospheric scanning electron microscopy is presented. The proposed liquid-phase electrochemical SEM system consists of a working electrode (WE) on an electrochemical chip (e-chip) and other two electrodes inserted into a liquid electrolyte; electrochemical reactions occurring at the WE are controlled precisely with an external potentiostat/galvanostat connected to the three electrodes. Copper deposition from a CuSO4 aqueous solution was conducted onto the WE, and simultaneous acquisition of nanoscale images and reliable electrochemical data was achieved with the proposed setup.

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来源期刊

Microscopy Physics and Astronomy-Instrumentation

CiteScore

3.30

自引率

11.10%

发文量

期刊介绍： Microscopy, previously Journal of Electron Microscopy, promotes research combined with any type of microscopy techniques, applied in life and material sciences. Microscopy is the official journal of the Japanese Society of Microscopy.