Search research articles

ABOUT JoVE

Overview Leadership Blog JoVE Help Center

AUTHORS

Publishing Process Editorial Board Scope & Policies Peer Review FAQ Submit

LIBRARIANS

Testimonials Subscriptions Access Resources Library Advisory Board FAQ

RESEARCH

JoVE Journal Methods Collections JoVE Encyclopedia of Experiments Archive

EDUCATION

JoVE Core JoVE Business JoVE Science Education JoVE Lab Manual Faculty Resource Center Faculty Site

Terms & Conditions of Use

Related Concept Videos

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.
The metal gate is typically made from highly conductive materials such as aluminum or polysilicon. Beneath the metal gate lies a thin layer of...

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by

Same author

Living growth of ultra-bright 2D perovskites with long-lived carriers.

Nature communications·2026

Same author

High-Performance Multi-Walled Carbon Nanotubes-Organic Passivated Si Solar Cells Enabled by Spatially Selective Harvesting of High-Quality Sponges.

Advanced science (Weinheim, Baden-Wurttemberg, Germany)·2026

Same author

Coherent 2D-3D van der Waals perovskite epitaxial heterostructures.

Nature nanotechnology·2026

Same author

Acupoint electrical stimulation with implantable carbon nanotube electrodes mitigates sciatic nerve injury-induced muscle atrophy.

Biomedical materials (Bristol, England)·2026

Same author

Carbon nanotube fiber electrode-based implantable electroacupuncture ameliorates myocardial ischemia in rats via the FXR/SHP pathway.

Nanotechnology·2026

Same author

Observation of Kondo cloud-coupling in a mirror-symmetric carbon nanotube array-molybdenum structure.

Nature communications·2026

Search research articles

Related Experiment Video

Updated: Apr 16, 2026

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

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

Published on: January 7, 2022

Hierarchically designed three-dimensional macro/mesoporous carbon frameworks for advanced electrochemical capacitance

Yanbing Yang¹, Peixu Li, Shiting Wu

¹Key Laboratory of Analytical Chemistry for Biology and Medicine (Ministry of Education), College of Chemistry and Molecular Sciences, Wuhan University, Wuhan 430072 (P.R. China); Department of Materials Science and Engineering, College of Engineering, Peking University, Beijing 100871 (P.R. China).

Chemistry (Weinheim an Der Bergstrasse, Germany)

|March 11, 2015

Summary

Flexible mesoporous carbon (m-C) electrodes enhanced with carbon nanotubes (CNTs) and platinum (Pt) nanoparticles offer improved performance for electrochemical energy storage. These novel CNT@m-C@Pt sponges exhibit high capacitance and mechanical stability under compression.

Keywords:

carbon mesoporous materials nanoparticles nanotubes platinum

More Related Videos

Author Spotlight: Magnetometric Characterization of Intermediates in the Solid-State Electrochemistry of Redox-Active Metal-Organic Frameworks

Author Spotlight: Magnetometric Characterization of Intermediates in the Solid-State Electrochemistry of Redox-Active Metal-Organic Frameworks

Published on: June 9, 2023

Synthesis and Functionalization of 3D Nano-graphene Materials: Graphene Aerogels and Graphene Macro Assemblies

Synthesis and Functionalization of 3D Nano-graphene Materials: Graphene Aerogels and Graphene Macro Assemblies

Published on: November 5, 2015

Related Experiment Videos

Last Updated: Apr 16, 2026

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

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

Published on: January 7, 2022

Author Spotlight: Magnetometric Characterization of Intermediates in the Solid-State Electrochemistry of Redox-Active Metal-Organic Frameworks

Author Spotlight: Magnetometric Characterization of Intermediates in the Solid-State Electrochemistry of Redox-Active Metal-Organic Frameworks

Published on: June 9, 2023

Synthesis and Functionalization of 3D Nano-graphene Materials: Graphene Aerogels and Graphene Macro Assemblies

Synthesis and Functionalization of 3D Nano-graphene Materials: Graphene Aerogels and Graphene Macro Assemblies

Published on: November 5, 2015

Area of Science:

Materials Science
Electrochemistry
Nanotechnology

Background:

Mesoporous carbon (m-C) shows promise for electrochemical energy storage but suffers from fragility and low conductivity.
Existing limitations hinder the practical application of m-C in energy storage devices.

Purpose of the Study:

To develop a flexible, hierarchical porous structure of m-C for enhanced electrochemical energy storage.
To improve the mechanical robustness and electrical conductivity of m-C electrodes.

Main Methods:

Utilized a carbon nanotube (CNT) sponge as a 3D template for constructing hierarchical porous m-C.
Employed solution deposition of mesoporous silica (m-SiO2) onto CNTs, followed by acetylene chemical vapor deposition and m-SiO2 etching.
Grafted platinum (Pt) nanoparticles onto the m-C surface to create CNT@m-C@Pt hybrid structures.

Main Results:

Achieved specific capacitances of 203 F/g for CNT@m-C and 311 F/g for CNT@m-C@Pt electrodes.
Demonstrated remarkable capacitance retention of 96% under significant compression, highlighting excellent mechanical flexibility.
The CNT network provided robust support and high conductivity, while m-C offered a large surface area and Pt nanoparticles improved ion diffusion.

Conclusions:

The developed hierarchical CNT@m-C@Pt structure significantly enhances electrochemical performance and mechanical stability for supercapacitor electrodes.
This strategy offers a viable pathway for creating high-performance, flexible electrodes for advanced energy storage applications.