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

Interfacial Electrochemical Methods: Overview

Interfacial Electrochemical Methods: Overview

Interfacial electrochemical methods focus on the phenomena occurring at the boundary between an electrode and a solution, as opposed to bulk methods that concentrate on the solution's overall properties. These interfacial methods are classified as either static or dynamic based on the presence of a nonzero current in the electrochemical cell and the consistency of analyte concentrations. Static methods, such as potentiometry, measure the cell's potential without any significant current...

You might also read

Related Articles

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

Sort by

Same author

Perovskite Nanocrystal/InGaZnO Heterojunction Enabling an All-Optically Controlled Artificial Synapse for Motion Detection.

The journal of physical chemistry letters·2026

Same author

Incorporating exosomes in tissue engineering scaffolds: pave the way toward clinical application.

Annals of medicine and surgery (2012)·2026

Same author

Electrical Imaging of DNA Substructures Using Quasi-Static Nanopore Scanning.

Nano letters·2026

Same author

The Relation Between Parenting Stress and Children's Social Anxiety in Chinese Family: The Roles of Maladaptive Parenting and FKBP5 Gene Variation.

Behavioral sciences (Basel, Switzerland)·2026

Same author

A PEGylated nanobody against HBsAg exhibits pleiotropic antiviral efficacy in hepatitis B models.

Journal of nanobiotechnology·2026

Same author

In vitro and in vivo antibacterial activity of oral tebipenem in combination with novel β-lactamase inhibitors (avibactam, relebactam, vaborbactam) against KPC-producing Enterobacterales.

European journal of clinical microbiology & infectious diseases : official publication of the European Society of Clinical Microbiology·2026

Search research articles

Related Experiment Video

Updated: Jun 11, 2025

Fine-tuning the Size and Minimizing the Noise of Solid-state Nanopores

Fine-tuning the Size and Minimizing the Noise of Solid-state Nanopores

Published on: October 31, 2013

Scan-Rate-Dependent Ion Current Rectification in Bipolar Interfacial Nanopores.

Xiaoling Zhang¹, Yunjiao Wang², Jiahui Zheng³

¹School of Smart Health, Chongqing Polytechnic University of Electronic Technology, Chongqing 401331, China.

|September 28, 2024

Summary

The voltammetric behavior of bipolar interfacial nanopores shows history-dependent effects, with scan rate significantly impacting current-voltage properties. Thicker membranes amplify this scan-rate dependence, offering easier detection.

Keywords:

bipolar interfacial nanopore ion current rectification memory effects

More Related Videos

Monitoring Protein Adsorption with Solid-state Nanopores

Monitoring Protein Adsorption with Solid-state Nanopores

Published on: December 2, 2011

High Resolution Physical Characterization of Single Metallic Nanoparticles

High Resolution Physical Characterization of Single Metallic Nanoparticles

Published on: June 28, 2019

Related Experiment Videos

Last Updated: Jun 11, 2025

Fine-tuning the Size and Minimizing the Noise of Solid-state Nanopores

Fine-tuning the Size and Minimizing the Noise of Solid-state Nanopores

Published on: October 31, 2013

Monitoring Protein Adsorption with Solid-state Nanopores

Monitoring Protein Adsorption with Solid-state Nanopores

Published on: December 2, 2011

High Resolution Physical Characterization of Single Metallic Nanoparticles

High Resolution Physical Characterization of Single Metallic Nanoparticles

Published on: June 28, 2019

Area of Science:

Electrochemistry
Nanotechnology
Theoretical Physics

Background:

Bipolar nanopores are crucial in various electrochemical applications.
Understanding their behavior under varying conditions is essential for device optimization.
Interfacial effects in nanopores can lead to complex phenomena like memory effects.

Purpose of the Study:

To theoretically investigate the voltammetric behavior of bipolar interfacial nanopores.
To explore the influence of potential scan rate and salt concentration on current-voltage (I-V) properties.
To analyze the impact of membrane thickness on nanopore response.

Main Methods:

Theoretical investigation using the Finite Element Method (FEM).
Simulation of current-voltage (I-V) characteristics.
Analysis of data across a range of potential scan rates (1-1000 V/s) and salt concentrations.

Main Results:

Scan rate strongly affects the I-V response, especially at low concentrations.
Hysteresis loops observed, indicating history-dependent or memory effects in ion transport.
Cross-point potential within hysteresis loops is independent of scan rate.
Scan-rate dependence is more pronounced in thicker membranes due to slower mass transfer.
Ion current is minimally affected by membrane thickness, unlike conventional bipolar nanopores.

Conclusions:

Bipolar interfacial nanopores exhibit scan-rate-dependent and history-dependent voltammetric behavior.
The observed memory effects are linked to the interplay between potential scan rate, concentration, and nanopore geometry.
These findings suggest potential for novel sensor applications leveraging these unique transport characteristics.
The reduced sensitivity to membrane thickness simplifies fabrication and enhances detectability.