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

Modeling of Diode Forward Characteristics

Modeling of Diode Forward Characteristics

Understanding the behavior of diodes when forward-biased is a fundamental aspect of electronic circuit design and analysis. This analysis primarily utilizes two models: the exponential diode model and the constant-voltage-drop model. The exponential model comes into play when the source voltage exceeds 0.5 volts, pushing the diode current to rise exponentially above the saturation current. This relationship is graphically depicted in the current-voltage (I-V) curve, illustrating the diode's...

Diode: Forward bias

Diode: Forward bias

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...

Non-ohmic Devices

Non-ohmic Devices

In most substances, the current flow is proportional to the voltage applied to it. A simple relationship between the values of current, voltage, and resistance is known as Ohm's law. Nonohmic devices do not exhibit a linear relationship between voltage and current. One such device is the semiconducting circuit element known as a diode. A diode is a circuit device that allows current flow in only one direction.
Consider a simple circuit consisting of a battery, a diode, and a resistor. A diode...

Diode: Reverse bias

Diode: Reverse bias

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...

The Ideal Diode

The Ideal Diode

A diode is a semiconductor device that allows current to flow in one direction only, making it a crucial component in electronic circuits for controlling the direction of current flow. An ideal diode is a simplified version of a real diode used to understand how diodes work in circuits. It possesses two terminals: the positive anode and the cathode, which is negative. When a positive voltage is applied to the anode relative to the cathode, the diode is in a forward-biased state, allowing...

Small-signal Diode Model

Small-signal Diode Model

In analyzing the behavior of diodes in circuits, the relationship between the current through a diode and the voltage across it is of particular interest, especially when considering the effect of a direct current (DC) bias voltage. When applied, this DC bias influences the diode's operating point, known as the Q point, around which the current-voltage (I-V) characteristic of the diode exhibits exponential behavior. Introducing a small, time-varying signal on top of this bias aids in examining...

You might also read

Related Articles

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

Sort by

Same author

Synthesis of Biodegradable Cell-Laden Microgels Assembly by Stop-Flow Lithography.

IEEE transactions on nanobioscience·2025

Same author

Zeolite-based chiral ion-exchangers for chromatographic enantioseparations and potential applications in membrane separation processes.

Talanta·2024

Same author

One or two pups - optimal reproduction strategies of common noctule females.

BMC zoology·2023

Same author

Electric Potential Profiles in a Model Single-Path Electrodialysis Unit.

Membranes·2022

Same author

Author Correction: AFB1 controls rapid auxin signalling through membrane depolarization in Arabidopsis thaliana root.

Nature plants·2022

Same author

Haemogregarines of the Genera Haemogregarina, Hemolivia, and Hepatozoon Infecting Vietnamese Freshwater Turtles, with Additional Notes on Primer Specificity and Primer-template Mismatches Affecting Diagnostic Success.

Protist·2022

Search research articles

Related Experiment Video

Updated: Jul 11, 2026

Dynamic Electrochemical Measurement of Chloride Ions

Dynamic Electrochemical Measurement of Chloride Ions

Published on: February 5, 2016

Transient behavior of an electrolytic diode.

Zdenek Slouka¹, Michal Pribyl, Dalimil Snita

¹Department of Chemical Engineering, Institute of Chemical Technology, Prague, Technická 5, 166 28, Praha 6, Czech Republic.

Physical Chemistry Chemical Physics : PCCP

|October 5, 2007

Summary

Researchers studied the transient behavior of a gel-like electrolytic diode in a microfluidic chip. Mathematical modeling and experiments confirmed current overshoots, validating the system

More Related Videos

AC Electrokinetic Phenomena Generated by Microelectrode Structures

AC Electrokinetic Phenomena Generated by Microelectrode Structures

Published on: July 28, 2008

All-electronic Nanosecond-resolved Scanning Tunneling Microscopy: Facilitating the Investigation of Single Dopant Charge Dynamics

All-electronic Nanosecond-resolved Scanning Tunneling Microscopy: Facilitating the Investigation of Single Dopant Charge Dynamics

Published on: January 19, 2018

Related Experiment Videos

Last Updated: Jul 11, 2026

Dynamic Electrochemical Measurement of Chloride Ions

Dynamic Electrochemical Measurement of Chloride Ions

Published on: February 5, 2016

AC Electrokinetic Phenomena Generated by Microelectrode Structures

AC Electrokinetic Phenomena Generated by Microelectrode Structures

Published on: July 28, 2008

All-electronic Nanosecond-resolved Scanning Tunneling Microscopy: Facilitating the Investigation of Single Dopant Charge Dynamics

All-electronic Nanosecond-resolved Scanning Tunneling Microscopy: Facilitating the Investigation of Single Dopant Charge Dynamics

Published on: January 19, 2018

Area of Science:

Electrochemistry
Microfluidics
Physical Chemistry

Background:

Electrolytic diodes are crucial components in various electrochemical systems.
Understanding their transient behavior is essential for optimizing device performance.
Microfluidic platforms offer precise control over experimental conditions.

Purpose of the Study:

To investigate the transient current responses of a gel-like electrolytic diode.
To explain the phenomenon of short-time electric current density overshoots.
To validate a mathematical model describing the electrolytic diode system.

Main Methods:

Fabrication of a gel-like electrolytic diode within a capillary microfluidic chip.
Measurement of current responses to step-like changes in applied DC voltage.
Development and dynamical analysis of a mathematical model for the system.
Analysis of reaction-transport processes to interpret experimental results.

Main Results:

Observed transient current overshoots during voltage step changes.
Mathematical model successfully predicted and confirmed the existence of these overshoots.
Experimental and numerical results showed strong agreement.
Physical meaning of specific current overshoots was elucidated through reaction-transport analysis.

Conclusions:

The study successfully explains the transient behavior and current overshoots in the electrolytic diode system.
The developed mathematical model accurately represents the system's dynamics.
Transient experiments confirm the validity of the proposed physical concept of the electrolytic diode.