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

Bipolar Junction Transistor01:22

Bipolar Junction Transistor

1.2K
Bipolar Junction Transistors (BJTs) are essential elements in electronic circuits, playing a crucial role in the functionality of amplifiers, memories, and microprocessors. These transistors can be designed as NPN or PNP based on their doping patterns. They consist of three layers: the emitter, base, and collector. The configuration of these layers and their respective doping levels—with N-type or P-type impurities—define the transistor's type and its operational...
1.2K
MOSFET Amplifiers01:17

MOSFET Amplifiers

334
The MOSFET, when operating in its active region, functions as a voltage-controlled current source. In this region, the gate-to-source voltage controls the drain current. This principle underlies the operation of the transconductance MOSFET amplifier. The output current is directed through a load resistor to convert this amplifier into a voltage amplifier. The output voltage is then obtained by subtracting the voltage drop across the load resistance from the supply voltage. This process results...
334
Field Effect Transistor01:29

Field Effect Transistor

847
Field-effect transistors (FETs) are integral to electronic circuits and distinguished by their three-terminal setup: the gate, drain, and source. These transistors operate as unipolar devices, which utilize either electrons or holes as charge carriers, in contrast to bipolar transistors, which use both types of carriers. The primary function of the FET is to modulate the flow of these carriers from the source to the drain through a channel. The voltage difference between the gate and source...
847
Characteristics of MOSFET01:17

Characteristics of MOSFET

689
Metal-oxide-semiconductor field-effect Transistors, or MOSFETs, play a critical role in electronic circuits. They are primarily utilized for amplifying and switching signals.
Various vital parameters influence their functionality, which is crucial for theory and electronics applications. First, channel dimensions, precisely length, and width, are pivotal. The size of these channels affects the transistor's ability to carry current and switching speeds; shorter channels typically enable...
689
Electron Transport Chain Components01:29

Electron Transport Chain Components

609
The electron transport chain (ETC) is a crucial metabolic pathway that facilitates energy conversion in prokaryotic and eukaryotic cells. In eukaryotes, the ETC comprises four membrane-associated protein complexes in the inner mitochondrial membrane. In prokaryotes, the ETC in the plasma membrane can vary in composition, with fewer or different complexes depending on the organism and environmental conditions. These complexes transfer electrons from electron donors, such as NADH and FADH2, to...
609
MOSFET01:16

MOSFET

842
The Metal-Oxide-Semiconductor Field-Effect Transistor (MOSFET) plays a pivotal role in modern electronics thanks to its versatility and efficiency in controlling electrical currents. This device, also known as IGFET, MISFET, and MOSFET, has three main terminals: the Source, Drain, and Gate. MOSFETs are classified into n-channel or p-channel types based on the doping characteristics of their substrate and the source or drain regions.
In an n-MOSFET, the structure includes n-type source and drain...
842

You might also read

Related Articles

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

Sort by
Same author

Negative Electronic Friction and Non-Markovianity in Nonequilibrium Quantum Systems.

Nano letters·2026
Same author

Unraveling Charge and Energy Transfer in a Singlet Fission Donor-Acceptor Complex: An <i>Ab Initio</i> Quantum Dynamical Study.

Journal of chemical theory and computation·2026
Same author

The role of quantum vibronic effects in the spin polarization of charge transport through molecular junctions.

The Journal of chemical physics·2025
Same author

Influence of nonequilibrium vibrational dynamics on spin selectivity in chiral molecular junctions.

The Journal of chemical physics·2025
Same author

Role of the Radical Character in Singlet Fission: An Ab Initio and Quantum Chemical Topology Analysis.

The journal of physical chemistry. A·2024
Same author

Spin Mixing in Intramolecular Singlet Fission: A First-Principles-Based Quantum Dynamical Study.

The journal of physical chemistry letters·2024
Same journal

Real-Time Vibrational Spectroscopy Reveals an Inversion Transition State in the Photoisomerization of Phenylazoimidazole.

The journal of physical chemistry letters·2026
Same journal

Precursor-Directed Self-Assembly in Hydrothermal Carbon Nitride Nanostructures Revealed by Nano-FTIR.

The journal of physical chemistry letters·2026
Same journal

Correction to "Equation-of-Motion Block-Correlated Coupled Cluster Method for Excited Electronic States of Strongly Correlated Systems".

The journal of physical chemistry letters·2026
Same journal

Rationalizing Stacking-Dependent Charge Injection Dynamics in Radical-Based Organic Light-Emitting Diodes.

The journal of physical chemistry letters·2026
Same journal

Bottom-Up Formation of the Simplest Geminal Thiol─Methanedithiol (CH<sub>2</sub>(SH)<sub>2</sub>)─and the Methyl Hydrodisulfide (H<sub>3</sub>CSSH) Isomer in Interstellar Analogue Ices.

The journal of physical chemistry letters·2026
Same journal

Trion Mediated Sequential Charge Separation in Functionalized CsPbBr<sub>3</sub>/AgInS<sub>2</sub> Hybrid Nanocrystals.

The journal of physical chemistry letters·2026
See all related articles

Related Experiment Video

Updated: Nov 24, 2025

Isotopic Effect in Double Proton Transfer Process of Porphycene Investigated by Enhanced QM/MM Method
05:51

Isotopic Effect in Double Proton Transfer Process of Porphycene Investigated by Enhanced QM/MM Method

Published on: July 19, 2019

6.5K

Molecular Transistor Controlled through Proton Transfer.

D Weckbecker1, P B Coto2,3, M Thoss4

  • 1Lehrstuhl für theoretische Festkörperphysik, Universität Erlangen-Nürnberg, Staudtstr. 7/B2, 91058 Erlangen, Germany.

The Journal of Physical Chemistry Letters
|December 28, 2020
PubMed
Summary
This summary is machine-generated.

Proton transfer reactions can enable nanoscale molecular transistors. By controlling proton location with an electrostatic gate, researchers can switch current on/off, mimicking field-effect transistors.

More Related Videos

DNA-Tethered RNA Polymerase for Programmable In vitro Transcription and Molecular Computation
09:26

DNA-Tethered RNA Polymerase for Programmable In vitro Transcription and Molecular Computation

Published on: December 29, 2021

4.6K
Translating Extracellular Electron Transfer Activities with Organic Electrochemical Transistors
10:44

Translating Extracellular Electron Transfer Activities with Organic Electrochemical Transistors

Published on: January 31, 2025

1.1K

Related Experiment Videos

Last Updated: Nov 24, 2025

Isotopic Effect in Double Proton Transfer Process of Porphycene Investigated by Enhanced QM/MM Method
05:51

Isotopic Effect in Double Proton Transfer Process of Porphycene Investigated by Enhanced QM/MM Method

Published on: July 19, 2019

6.5K
DNA-Tethered RNA Polymerase for Programmable In vitro Transcription and Molecular Computation
09:26

DNA-Tethered RNA Polymerase for Programmable In vitro Transcription and Molecular Computation

Published on: December 29, 2021

4.6K
Translating Extracellular Electron Transfer Activities with Organic Electrochemical Transistors
10:44

Translating Extracellular Electron Transfer Activities with Organic Electrochemical Transistors

Published on: January 31, 2025

1.1K

Area of Science:

  • Molecular electronics
  • Nanoscale devices
  • Quantum transport

Background:

  • Proton transfer reactions are fundamental in chemistry and biology.
  • Molecular transistors offer potential for miniaturized electronic components.
  • Controlling charge transport at the molecular level is a key challenge.

Purpose of the Study:

  • To investigate proton transfer reactions as a mechanism for nanoscale molecular transistors.
  • To explore molecule-graphene nanojunctions for transistor applications.
  • To analyze the control of conductance states via electrostatic fields.

Main Methods:

  • Density functional theory (DFT) calculations.
  • Non-equilibrium Green's function (NEGF) formalism.
  • Simulations of molecule-graphene nanojunctions.

Main Results:

  • Identified molecule-graphene nanojunctions with distinct high- and low-conducting states.
  • Demonstrated that proton location in the molecular bridge dictates conductance.
  • Showed that an electrostatic gate field can control proton transfer and select conductance states.

Conclusions:

  • Proton transfer reactions are a viable mechanism for nanoscale molecular transistors.
  • Electrostatic gating enables switching of current in molecular junctions.
  • This work provides a detailed analysis of the underlying physical mechanism for field-effect control in molecular devices.