Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

Schottky Barrier Diode01:27

Schottky Barrier Diode

402
Schottky barrier diodes are specialized semiconductor devices characterized by their unique construction. This construction involves combining a metal layer with a moderately doped n-type semiconductor material. This combination leads to the formation of a Schottky barrier, a pivotal element that defines the diode's operational characteristics. The core functionality of Schottky barrier diodes is their capacity to allow current to flow in only one direction due to their distinctive...
402
Biasing of P-N Junction01:16

Biasing of P-N Junction

602
The operation of a p-n junction diode involves various biasing conditions, including forward bias, reverse bias, and equilibrium.
In equilibrium, no external voltage is applied across the p-n junction. The depletion region is formed at the junction interface due to the diffusion of carriers, which leaves behind charged dopants, acceptors on the p-side, and donors on the n-side. These immobile charges create an electric field that prevents further diffusion of carriers. The related energy band...
602
Diode: Forward bias01:20

Diode: Forward bias

1.1K
In semiconductor devices, diodes play a crucial role in directing current flow, and its operation is primarily categorized into forward bias and reverse bias. A diode is said to be forward-biased when its p-type region is connected to the positive terminal of a battery and its n-type region is linked to the negative terminal. This configuration reduces the potential barrier within the diode, allowing current to flow easily from the p to the n-type region.
The behavior of a diode in forward bias...
1.1K
Diode: Reverse bias01:14

Diode: Reverse bias

817
A diode is reverse-biased when the positive terminal of an external voltage source is connected to the n-type material and the negative terminal to the p-type material. This configuration opposes the natural direction of current flow through the diode, effectively increasing the width of the depletion region and the barrier potential. The reverse bias condition produces a minimal leakage current, primarily due to minority charge carriers. This leakage becomes significant when the reverse...
817
Potentiometry: Membrane Electrodes01:15

Potentiometry: Membrane Electrodes

632
Membrane electrodes, also known as p-ion electrodes, use membranes that selectively interact with free analyte ions, generating a potential difference across the membrane. The resulting membrane potential, known as the asymmetry potential, is not zero even when analyte concentrations on both sides of the membrane are equal. The membrane's response is typically not selective to a single analyte but proportional to the concentration of all ions in the sample solution capable of interacting at...
632
Clipper Circuit01:18

Clipper Circuit

491
A clipper circuit is a fundamental wave-shaping device that harnesses the unique properties of diodes to alter and control waveform characteristics. This technology is widely used in electronic devices, especially in television and radar communication systems, where it enhances waveform modulation in both transmitters and receivers.
The operation of a clipper circuit can be exemplified by analyzing a dual-clipper configuration setup that integrates two ideal diodes, each paired with a biasing...
491

You might also read

Related Articles

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

Sort by
Same author

Active-Learning-Guided Acoustic Metamaterial Resonators for Low-Frequency Noise Suppression and Piezoelectric Energy Harvesting.

Micromachines·2026
Same author

Precise detection of single particles and bio-sensing applications on quartz crystal microbalance using non-linear resonance behavior.

Microsystems & nanoengineering·2026
Same author

Microfluidics-guided localized low-temperature modulation of axonal signal propagation.

Lab on a chip·2026
Same author

Brain-inspired computing with fluidic iontronic nanochannels.

Proceedings of the National Academy of Sciences of the United States of America·2024
Same author

Surface-dominant micro/nanofluidics for efficient green energy conversion.

Biomicrofluidics·2024
Same author

Dispersive phase microscopy incorporated with droplet-based microfluidics for biofactory-on-a-chip.

Lab on a chip·2023
Same journal

Correction: Kang et al. Fluid Flow to Electricity: Capturing Flow-Induced Vibrations with Micro-Electromechanical-System-Based Piezoelectric Energy Harvester. <i>Micromachines</i> 2024, <i>15</i>, 581.

Micromachines·2026
Same journal

Femtosecond Laser Texturing of Wood Coatings with Bio-Based Epoxy and Wax Additives for Enhanced Hydrophobicity.

Micromachines·2026
Same journal

Engineering of Optoelectronic Devices for Renewable Energy Applications.

Micromachines·2026
Same journal

Phase Transformation and Electrochemical Behavior of Hexagonal TiO<sub>2</sub> Nanotubes Under Different Annealing Temperatures and Heating Rates.

Micromachines·2026
Same journal

Process Optimization and Predictive Modeling of Femtosecond Laser Precision Milling for Commercial PMMA Slices.

Micromachines·2026
Same journal

A Hybrid Preprocessing Multi-Objective Surrogate Model for Thermal MEMS Actuators.

Micromachines·2026
See all related articles

Related Experiment Video

Updated: Jul 21, 2025

Merging Ion Concentration Polarization between Juxtaposed Ion Exchange Membranes to Block the Propagation of the Polarization Zone
08:06

Merging Ion Concentration Polarization between Juxtaposed Ion Exchange Membranes to Block the Propagation of the Polarization Zone

Published on: February 23, 2017

8.5K

Multi-Layered Bipolar Ionic Diode Working in Broad Range Ion Concentration.

Jaehyun Kim1, Cong Wang2, Jungyul Park1

  • 1Department of Mechanical Engineering, Sogang University, Sinsu-dong, Mapo-gu, Seoul 121-742, Republic of Korea.

Micromachines
|July 29, 2023
PubMed
Summary
This summary is machine-generated.

This study introduces a multi-layered bipolar ionic diode with an asymmetric nanochannel network membrane, achieving stable ion current rectification across a wide salt concentration range. This novel design overcomes previous limitations and shows potential for various electronic applications.

Keywords:
bipolar ionic diodehysteresis loopion current rectificationmulti-layernanochannel network membranenanoparticles

More Related Videos

Assessment of Boron Doped Diamond Electrode Quality and Application to In Situ Modification of Local pH by Water Electrolysis
13:09

Assessment of Boron Doped Diamond Electrode Quality and Application to In Situ Modification of Local pH by Water Electrolysis

Published on: January 6, 2016

14.8K
Fabrication of Schottky Diodes on Zn-polar BeMgZnO/ZnO Heterostructure Grown by Plasma-assisted Molecular Beam Epitaxy
14:16

Fabrication of Schottky Diodes on Zn-polar BeMgZnO/ZnO Heterostructure Grown by Plasma-assisted Molecular Beam Epitaxy

Published on: October 23, 2018

7.7K

Related Experiment Videos

Last Updated: Jul 21, 2025

Merging Ion Concentration Polarization between Juxtaposed Ion Exchange Membranes to Block the Propagation of the Polarization Zone
08:06

Merging Ion Concentration Polarization between Juxtaposed Ion Exchange Membranes to Block the Propagation of the Polarization Zone

Published on: February 23, 2017

8.5K
Assessment of Boron Doped Diamond Electrode Quality and Application to In Situ Modification of Local pH by Water Electrolysis
13:09

Assessment of Boron Doped Diamond Electrode Quality and Application to In Situ Modification of Local pH by Water Electrolysis

Published on: January 6, 2016

14.8K
Fabrication of Schottky Diodes on Zn-polar BeMgZnO/ZnO Heterostructure Grown by Plasma-assisted Molecular Beam Epitaxy
14:16

Fabrication of Schottky Diodes on Zn-polar BeMgZnO/ZnO Heterostructure Grown by Plasma-assisted Molecular Beam Epitaxy

Published on: October 23, 2018

7.7K

Area of Science:

  • Nanotechnology
  • Materials Science
  • Physical Chemistry

Background:

  • Ion current rectification (ICR) is crucial for diode performance but is limited by fabrication challenges and narrow operational concentration ranges.
  • Previous attempts to enhance ICR faced intrinsic geometric constraints and sensitivity to salt concentrations.

Purpose of the Study:

  • To develop a multi-layered bipolar ionic diode using an asymmetric nanochannel network membrane (NCNM) for improved and stable ICR performance.
  • To explore the impact of microchannel geometry on ICR using soft lithography.
  • To investigate the device's performance across a broad range of salt concentrations and frequencies.

Main Methods:

  • Fabrication of an asymmetric NCNM using soft lithography and nanoparticle self-assembly.
  • Construction of a multi-layered bipolar ionic diode.
  • Performance evaluation of ICR under varying salt concentrations and frequencies.
  • Multi-physics simulation to understand ionic behavior at the diode junction.

Main Results:

  • The multi-layered NCNM diode demonstrated strong and steady ICR performance over a broad salt concentration range (0.1 mM–100 mM).
  • Maximum ICR was achieved when anion-selective (AS) and cation-selective (CS) NCNM volumes were optimized, similar to single-layered devices.
  • Multi-physics simulations confirmed enhanced ionic concentration under forward bias and reduced depletion under backward bias compared to single-layer devices.
  • A large-area hysteresis loop was observed under different frequencies and salt concentrations.

Conclusions:

  • The proposed multi-layered bipolar ionic diode offers a robust solution for stable ICR, overcoming limitations of previous designs.
  • The freely tunable geometry via soft lithography allows for optimized ICR performance.
  • The device exhibits significant potential for applications in electroosmotic pumps, memristors, and biosensors due to its unique electrical characteristics.