Local Structure of Electric Double Layer by Operando Analysis Methods

Q: What does this research mean for the field?

Two newly developed operando analysis methods can successfully elucidate the behavior of molecules, ions, and hole carriers within the electric double layer at the electrolyte/electrode interface, particularly in electric double layer field-effect transistors. Novelty: ClaimNovelty.METHODOLOGICAL. Consensus alignment: ConsensusAlignment.NEUTRAL.

Kenichi Fukui

doi:10.5796/denkikagaku.26-fe0305

September 4, 2026Denki KagakuOpen Access

Local Structure of Electric Double Layer by Operando Analysis Methods

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Key Points

To review two newly developed operando interfacial analysis techniques that characterize the microscopic behavior of molecules, ions, and charge carriers within the electric double layer.
Application of two custom operando interfacial analytical techniques under operating device conditions.
Evaluation centered on electric double-layer field-effect transistors fabricated using crystalline organic semiconductors and ionic liquid electrolytes.
Operando methods successfully resolved the spatial and temporal dynamics of molecules, ions, and hole carriers directly at the electrolyte-electrode boundary.
Analysis provided direct observation of the electric double layer structure and its regulatory effects on carrier transport fields within organic field-effect transistors.

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Abstract

本稿では，電解液／電極界面に生じる電気二重層における分子，イオン，ホールキャリアの振る舞いを解析できる，著者らが開発した2種類の界面Operando解析手法を取り上げ，その原理の概要と，これらを用いてどのような情報が得られるのかについて解説する．特に，イオン液体電解液と結晶性有機半導体で構成される電気二重層電界効果トランジスタデバイスの電気二重層およびキャリア伝導場の解析を中心に取り上げる．

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Kenichi Fukui (2026) studied this question.

synapsesocial.com/papers/6a9e8531c3034f961570d724 https://doi.org/10.5796/denkikagaku.26-fe0305

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Local Structure of Electric Double Layer by Operando Analysis Methods

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Local Structure of Electric Double Layer by Operando Analysis Methods

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