Jove
Visualize
联系我们
JoVE
x logofacebook logolinkedin logoyoutube logo
关于 JoVE
概览领导团队博客JoVE 帮助中心
作者
出版流程编辑委员会范围与政策同行评审常见问题投稿
图书馆员
用户评价订阅访问资源图书馆顾问委员会常见问题
研究
JoVE JournalMethods CollectionsJoVE Encyclopedia of Experiments存档
教育
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab Manual教师资源中心教师网站
使用条款与条件
隐私政策
政策

相关概念视频

Dielectric Polarization in a Capacitor01:31

Dielectric Polarization in a Capacitor

4.8K
The presence of a dielectric medium in a capacitor not only changes the voltage and capacitance but also affects the electric field. In general, dielectrics can be of two types: polar and nonpolar. In a polar dielectric, the positive and negative charges in the molecules are separated by a distance and hence have a permanent dipole moment. In contrast, no such charge separation exists in a nonpolar dielectric, however the nonpolar molecules get polarized in the presence of an external electric...
4.8K
Electrostatic Boundary Conditions in Dielectrics01:27

Electrostatic Boundary Conditions in Dielectrics

1.3K
When an electric field passes from one homogeneous medium to another, crossing the boundary between the two mediums imparts a discontinuity in the electric field. This results in electrostatic boundary conditions that depend on the type of mediums the field propagates through.
Consider a case where both the mediums across a boundary are two different dielectric materials. Recall that the electric field and electric displacement are proportional and related through the material's...
1.3K

您也可能阅读

相关文章

通过共同作者、期刊和引用图与本文相关的文章。

排序
Same author

CO<sub>2</sub>-Activated Starch-Derived Hierarchically Porous Carbon for High-Performance Zinc-Ion Hybrid Supercapacitors.

ChemSusChem·2026
Same author

When does nanofluidic memory disappear? Understanding and reinstating memristive behavior of ionic liquids in two-dimensional nanochannels.

Faraday discussions·2026
Same author

Spin-Polarized Nonferromagnetic Surfaces for Electrocatalysis: Chemo-Spintronics.

Journal of the American Chemical Society·2025
Same author

Characterization of Chemical Degradation in Lithium-Ion Batteries Using Secondary Ion Mass Spectrometry (SIMS) and Hard X‑ray Photoelectron Spectroscopy (HAXPES).

ACS omega·2025
Same author

Dynamics of evaporating, interconnected droplets.

Soft matter·2025
Same author

Electrically controlled heat transport in graphite films via reversible ionic liquid intercalation.

Science advances·2025

相关实验视频

Updated: Jul 24, 2025

Development of a 3D Graphene Electrode Dielectrophoretic Device
11:15

Development of a 3D Graphene Electrode Dielectrophoretic Device

Published on: June 22, 2014

12.0K

在石墨烯上使用无介电的电湿.

Athanasios A Papaderakis1,2, Ji Soo Roh3,4, Kacper Polus1,5

  • 1Department of Chemistry, University of Manchester, Oxford Road, Manchester, M13 9PL, UK. athanasios.papaderakis@manchester.ac.uk.

Faraday discussions
|July 6, 2023
PubMed
概括

研究人员利用缩的电解质对石墨烯进行了直接电湿的探索. 他们发现离子吸附,特别是离子,显著影响湿行为,导致放大反应和不可逆转的动态由于吸附/间隙.

更多相关视频

Development and Functionalization of Electrolyte-Gated Graphene Field-Effect Transistor for Biomarker Detection
07:51

Development and Functionalization of Electrolyte-Gated Graphene Field-Effect Transistor for Biomarker Detection

Published on: February 1, 2022

3.3K
Iridium Oxide-reduced Graphene Oxide Nanohybrid Thin Film Modified Screen-printed Electrodes as Disposable Electrochemical Paper Microfluidic pH Sensors
09:15

Iridium Oxide-reduced Graphene Oxide Nanohybrid Thin Film Modified Screen-printed Electrodes as Disposable Electrochemical Paper Microfluidic pH Sensors

Published on: November 22, 2016

10.6K

相关实验视频

Last Updated: Jul 24, 2025

Development of a 3D Graphene Electrode Dielectrophoretic Device
11:15

Development of a 3D Graphene Electrode Dielectrophoretic Device

Published on: June 22, 2014

12.0K
Development and Functionalization of Electrolyte-Gated Graphene Field-Effect Transistor for Biomarker Detection
07:51

Development and Functionalization of Electrolyte-Gated Graphene Field-Effect Transistor for Biomarker Detection

Published on: February 1, 2022

3.3K
Iridium Oxide-reduced Graphene Oxide Nanohybrid Thin Film Modified Screen-printed Electrodes as Disposable Electrochemical Paper Microfluidic pH Sensors
09:15

Iridium Oxide-reduced Graphene Oxide Nanohybrid Thin Film Modified Screen-printed Electrodes as Disposable Electrochemical Paper Microfluidic pH Sensors

Published on: November 22, 2016

10.6K

科学领域:

  • 表面科学是一门科学.
  • 材料科学是一种材料科学.
  • 物理化学 物理化学

背景情况:

  • 电加湿通常需要电解质和导体之间的介电层.
  • 最近的研究表明,可逆电湿直接发生在像石墨这样的导体上.
  • 离子-表面相互作用是理解导电表面电湿的关键.

研究的目的:

  • 研究不同厚度的石墨烯表面的电湿.
  • 了解离子吸附和表面杂质在直接电湿中的作用.
  • 分析离子-石墨烯相互作用对湿行为和动态的影响.

主要方法:

  • 使用化学蒸汽沉积制造石墨烯样本.
  • 高度水性和非水性电解质的应用.
  • 接触角测量以量化电湿反应.
  • 监测湿动态,以确定不可逆转的行为.

主要成果:

  • 缩的电解质通过抑制表面杂质效应,对石墨烯产生微妙的电湿反应.
  • 强烈吸附/合的离子在水性和非水性电解质中放大了湿反应.
  • 湿化动态显示出不可逆转的行为,归因于离子吸附和/或间隙.

结论:

  • 通过离子表面相互作用调节的缩电解质,对石墨烯的直接电是可行的.
  • 阳离子-石墨烯相互作用在增强和改变电湿现象方面发挥着至关重要的作用.
  • 观察到的不可逆转性突出显示了吸附/间隙过程对湿化动态的影响.