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

Metal-Semiconductor Junctions01:24

Metal-Semiconductor Junctions

988
The contact of metal and semiconductor can lead to the formation of a junction with either Schottky or Ohmic behavior.
Schottky Barriers
Schottky barriers arise when a metal with a work function (Φm) contacts a semiconductor with a different work function (Φs). Initially, electrons transfer until the Fermi levels of the metal and semiconductor align at equilibrium. For instance, if Φm > Φs, the semiconductor Fermi level is higher than the metal's before contact. The...
988
Biasing of Metal-Semiconductor Junctions01:27

Biasing of Metal-Semiconductor Junctions

583
Biasing metal-semiconductor junctions involves applying a voltage across the junction. Specifically, the metal is connected to a voltage source, while the semiconductor is grounded. This technique is essential for controlling the direction and magnitude of current flow in electronic devices, including diodes, transistors, and photovoltaic cells.
In Schottky junctions, where the semiconductor is n-type, applying a positive voltage to the metal relative to the semiconductor reduces its Fermi...
583
Ions and Ionic Charges03:27

Ions and Ionic Charges

79.1K
In ordinary chemical reactions, the nucleus — which contains the protons and neutrons of each atom and thus identifies the element — remains unchanged. Electrons, however, can be added to atoms by transfer from other atoms, lost by transfer to other atoms, or shared with other atoms. The transfer and sharing of electrons among atoms govern the chemistry of the elements. During the formation of some compounds, atoms gain or lose electrons to form electrically charged particles called...
79.1K
Bonding in Metals02:32

Bonding in Metals

52.4K
Metallic bonds are formed between two metal atoms. A simplified model to describe metallic bonding has been developed by Paul Drüde called the “Electron Sea Model”. 
52.4K
Formal Charges02:42

Formal Charges

40.5K
In some cases, there are seemingly more than one valid Lewis structures for molecules and polyatomic ions. The concept of formal charges can be used to help predict the most appropriate Lewis structure when more than one reasonable structure exists.
40.5K
Metal-Ligand Bonds02:51

Metal-Ligand Bonds

24.3K
The hemoglobin in the blood, the chlorophyll in green plants, vitamin B-12, and the catalyst used in the manufacture of polyethylene all contain coordination compounds. Ions of the metals, especially the transition metals, are likely to form complexes.
In these complexes, transition metals form coordinate covalent bonds, a kind of Lewis acid-base interaction in which both of the electrons in the bond are contributed by a donor (Lewis base) to an electron acceptor (Lewis acid). The Lewis acid in...
24.3K

You might also read

Related Articles

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

Sort by
Same author

Prognostic Value of Plasma N-terminal Pro-B-Type Natriuretic Peptide (Nt-proBNP) Levels in Patients Presenting With Cardiac Arrhythmias to the Emergency Department: A Prospective Observational Study From India.

Cureus·2026
Same author

Methodological considerations in assessing postintervention fitness and quality of life in congenital heart disease.

Annals of pediatric cardiology·2026
Same author

Intraocular foreign bodies in the posterior segment: Clinical characteristics, management, and visual outcomes.

Chinese journal of traumatology = Zhonghua chuang shang za zhi·2026
Same author

Impact of magnesium on the clearance of lactate in critically sick patients with sepsis: Randomized clinical trial.

World journal of critical care medicine·2026
Same author

Clinical profile and outcomes of critically ill obstetric patients in the intensive care unit of a tertiary care center.

World journal of critical care medicine·2026
Same author

Oromandibular Limb Hypogenesis Syndrome Type IVB with Hypoglossia and Intraoral Band: A Case Report of a Rare Entity.

Journal of maxillofacial and oral surgery·2026

Related Experiment Video

Updated: Feb 1, 2026

Author Spotlight: Exploring Self-Assembled MOF-Polymer Composites
06:48

Author Spotlight: Exploring Self-Assembled MOF-Polymer Composites

Published on: June 14, 2024

2.6K

Modulated interlayer charge transfer dynamics in a monolayer TMD/metal junction.

Linglong Zhang1, Han Yan, Xueqian Sun

  • 1National Laboratory of Solid State Microstructures, Collaborative Innovation Center of Advanced Microstructures, School of Electronic Science and Engineering, Nanjing University, Nanjing 210093, People's Republic of China. linglong.zhang@yahoo.com.

Nanoscale
|December 14, 2018
PubMed
Summary

We explored interlayer charge transfer in monolayer transition-metal dichalcogenide (mTMD) semiconductors. Efficient charge transfer in MoS2/Pd junctions significantly quenches photoluminescence, offering insights for optoelectronic device enhancement.

More Related Videos

Quantification of the Abundance and Charging Levels of Transfer RNAs in Escherichia coli
10:34

Quantification of the Abundance and Charging Levels of Transfer RNAs in Escherichia coli

Published on: August 22, 2017

9.8K
All-electronic Nanosecond-resolved Scanning Tunneling Microscopy: Facilitating the Investigation of Single Dopant Charge Dynamics
11:33

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

Published on: January 19, 2018

10.2K

Related Experiment Videos

Last Updated: Feb 1, 2026

Author Spotlight: Exploring Self-Assembled MOF-Polymer Composites
06:48

Author Spotlight: Exploring Self-Assembled MOF-Polymer Composites

Published on: June 14, 2024

2.6K
Quantification of the Abundance and Charging Levels of Transfer RNAs in Escherichia coli
10:34

Quantification of the Abundance and Charging Levels of Transfer RNAs in Escherichia coli

Published on: August 22, 2017

9.8K
All-electronic Nanosecond-resolved Scanning Tunneling Microscopy: Facilitating the Investigation of Single Dopant Charge Dynamics
11:33

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

Published on: January 19, 2018

10.2K

Area of Science:

  • Materials Science
  • Condensed Matter Physics
  • Nanotechnology

Background:

  • Optoelectronic device performance relies heavily on the interface between monolayer transition-metal dichalcogenide (mTMD) semiconductors and metals.
  • Interlayer interactions and coupling critically influence the mTMD-metal contact properties.

Purpose of the Study:

  • To systematically investigate interlayer charge transfer and coupling in mTMD-metal heterojunctions using an optical method.
  • To understand the impact of different metal contacts (Pd, Au) on mTMD properties.

Main Methods:

  • Fabrication and optical characterization of monolayer MoS2/metal (Pd, Au) heterojunctions.
  • Photoluminescence (PL) spectroscopy to analyze interlayer charge transfer and coupling.
  • Temperature-dependent PL measurements and annealing experiments to confirm mechanisms.

Main Results:

  • Observed giant PL quenching in monolayer MoS2/Pd junctions due to efficient interlayer charge transfer.
  • PL quenching factor increased with decreasing temperature in 1L MoS2/Pd, attributed to reduced interlayer spacing.
  • Narrowing of the full width at half maximum (FWHM) in PL spectra from 1L MoS2/SiO2 to 1L MoS2/Au to 1L MoS2/Pd junctions, linked to doping level changes.

Conclusions:

  • Interlayer charge transfer is a key mechanism governing the optical properties of mTMD-metal junctions.
  • Temperature and metal choice significantly influence charge transfer and device performance.
  • Findings provide fundamental insights for designing high-performance optoelectronic devices based on mTMD-metal interfaces.