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MOS Capacitor

MOS Capacitor

A Metal-Oxide-Semiconductor (MOS) capacitor is a fundamental structure used extensively in semiconductor device technology, particularly in the fabrication of integrated circuits and MOSFETs (metal-oxide-semiconductor field-effect transistors). The MOS capacitor consists of three layers: a metal gate, a dielectric oxide, and a semiconductor substrate.
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Updated: Aug 13, 2025

Evaluating the Electrochemical Properties of Supercapacitors using the Three-Electrode System

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Published on: January 7, 2022

All-Solid-State Interdigitated Micro-Supercapacitors Based on Porous Gold Electrodes.

Aymeric Pastre¹, Alexandre Boé², Nathalie Rolland²

¹PhLAM-Physique des Lasers Atomes et Molécules, CNRS, UMR 8523, Université de Lille, F-59655 Villeneuve d'Ascq, France.

Sensors (Basel, Switzerland)

|January 21, 2023

Summary

This summary is machine-generated.

Researchers developed a novel all-gold electrode micro-supercapacitor for embedded electronics. This solid-state device offers stable energy storage, paving the way for advanced microelectronic power sources.

Keywords:

electroless deposition micro-supercapacitor porous gold electrodes templating

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Last Updated: Aug 13, 2025

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Microfabrication of Nanoporous Gold Patterns for Cell-material Interaction Studies

Microfabrication of Nanoporous Gold Patterns for Cell-material Interaction Studies

Published on: July 15, 2013

Area of Science:

Materials Science
Electrochemistry
Nanotechnology

Background:

Embedded electronics demand compact, efficient micro energy sources.
Traditional micro-supercapacitors face limitations in performance and stability.

Purpose of the Study:

To fabricate an on-chip interdigitated all-solid-state micro-supercapacitor.
To utilize porous gold electrodes and a quasi-solid electrolyte for enhanced performance.

Main Methods:

Developed an original bottom-up approach for fabricating interdigitated porous gold electrodes.
Employed a templating method with wet chemistry and microfabrication techniques.
Integrated porous gold electrodes with a PVA/KOH quasi-solid electrolyte.

Main Results:

Demonstrated the first all-gold electrode micro-supercapacitor.
Achieved a specific capacitance of 0.28 mF·cm⁻² and a specific energy of 0.14 mJ·cm⁻².
Exhibited remarkable capacitance stability over 8000 cycles.

Conclusions:

The developed micro-supercapacitor shows significant potential for powering embedded electronic systems.
The all-gold electrode design offers a promising route for stable and high-performance micro energy storage.