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

Hydrogen Bonds00:26

Hydrogen Bonds

131.9K
Hydrogen bonds are weak attractions between atoms that have formed other chemical bonds. One of these atoms is electronegative, like oxygen, and has a partial negative charge. The other is a hydrogen atom that has bonded with another electronegative atom and has a partial positive charge.
Hydrogen Bonds Control the World!
Because hydrogen has very weak electronegativity when it binds with a strongly electronegative atom, such as oxygen or nitrogen, electrons in the bond are unequally shared....
131.9K
Hydrogen Bonds01:04

Hydrogen Bonds

13.5K
A hydrogen bond is formed when a weakly positive hydrogen atom already bonded to one electronegative atom (for example, the oxygen in the water molecule) is attracted to another electronegative atom from another polar molecule, such as water (H2O), hydrogen fluoride (HF), or ammonia (NH3). The huge electronegativity difference between the H atom (2.1) and the atom to which it is bonded (4.0 for an F atom, 3.5 for an O atom, or 3.0 for an N atom), combined with the very small size of an H atom...
13.5K
The Evidence for Evolution02:55

The Evidence for Evolution

47.7K
Genetic variations accumulating within populations over generations give rise to biological evolution. Evolutionary changes can result in the formation of novel varieties and entire new species. These changes are responsible for the diverse forms of life inhabiting the planet. The evidence for evolution suggests that all living organisms descended from common ancestors.
47.7K
Bridge rectifier01:24

Bridge rectifier

1.5K
The bridge rectifier is essential in electronics for efficiently converting alternating current (AC) to direct current (DC). Comprised of four diodes configured in a bridge layout, this rectifier effectively processes both the positive and negative halves of the AC waveform, making it superior to half-wave and full-wave center-tapped rectifiers in terms of voltage regulation and output stability.
Operationally, the bridge rectifier allows current flow through two of its diodes during each...
1.5K
Convergent Evolution01:54

Convergent Evolution

31.6K
Evolution shapes the features of organisms over time, ensuring that they are suited for the environments in which they live. Sometimes, selection pressure leads to the rise of similar but unrelated adaptations in organisms with no recent common ancestors, a process known as convergent evolution.
31.6K
Half wave rectifier01:20

Half wave rectifier

2.4K
A half-wave rectifier is a fundamental circuit in electronics, designed to convert alternating current (AC) voltage into a unidirectional voltage. It utilizes the simplest form of diode rectification, where the circuit comprises a single diode in series with a load resistor and an AC power source.
2.4K

You might also read

Related Articles

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

Sort by
Same author

Overall Water-Splitting Enabled by Bifunctional NiPd/Pd Heterodimer Fabricated via In Situ Etching-Growth Route.

Inorganic chemistry·2026
Same author

Theoretical prediction of semiconductors by data driven light-element substitution in topological materials.

Science bulletin·2026
Same author

Direct utilization of unpurified natural pyrite for sustainable peroxydisulfate activation: Harnessing surface organic impurities as chemical "ignition switches".

Journal of hazardous materials·2026
Same author

Interfacial π-d Coupling on Amorphous VOx-Modified Carbon Nitride Driving Efficient Hydrogen Production.

Langmuir : the ACS journal of surfaces and colloids·2026
Same author

Engineering a Strong Internal Electric Field via Heteroatom Doping in S-Scheme Heterojunctions for Efficient Photocatalytic H<sub>2</sub>O<sub>2</sub> Synthesis.

Small (Weinheim an der Bergstrasse, Germany)·2026
Same author

Interface engineering of fcc-RuCo@hcp-Ru core-shell nanoplates for efficient industrial alkaline hydrogen evolution.

Chemical communications (Cambridge, England)·2026

Related Experiment Video

Updated: Jan 25, 2026

High-throughput Screening for Small-molecule Modulators of Inward Rectifier Potassium Channels
10:07

High-throughput Screening for Small-molecule Modulators of Inward Rectifier Potassium Channels

Published on: January 27, 2013

15.6K

Shockley Partial Dislocation-Induced Self-Rectified 1D Hydrogen Evolution Photocatalyst.

Zhonghui Han1, Weizhao Hong1, Weinan Xing1,2

  • 1MIIT Key Laboratory of Critical Materials Technology for New Energy Conversion and Storage, School of Chemistry and Chemical Engineering , Harbin Institute of Technology , Harbin 150001 , China.

ACS Applied Materials & Interfaces
|May 14, 2019
PubMed
Summary
This summary is machine-generated.

This study introduces a novel self-rectified photocatalyst using CdZnS nanorods. This material enhances photocatalytic stability and charge separation for efficient hydrogen production from water using visible light.

Keywords:
Charge SeparationPhotocatalystShockley partial dislocationfaultself-rectified superstructure

More Related Videos

Molecular Evolution of the Tre Recombinase
12:02

Molecular Evolution of the Tre Recombinase

Published on: May 29, 2008

10.1K
A Complete Method for Evaluating the Performance of Photocatalysts for the Degradation of Antibiotics in Environmental Remediation
08:30

A Complete Method for Evaluating the Performance of Photocatalysts for the Degradation of Antibiotics in Environmental Remediation

Published on: October 6, 2022

2.7K

Related Experiment Videos

Last Updated: Jan 25, 2026

High-throughput Screening for Small-molecule Modulators of Inward Rectifier Potassium Channels
10:07

High-throughput Screening for Small-molecule Modulators of Inward Rectifier Potassium Channels

Published on: January 27, 2013

15.6K
Molecular Evolution of the Tre Recombinase
12:02

Molecular Evolution of the Tre Recombinase

Published on: May 29, 2008

10.1K
A Complete Method for Evaluating the Performance of Photocatalysts for the Degradation of Antibiotics in Environmental Remediation
08:30

A Complete Method for Evaluating the Performance of Photocatalysts for the Degradation of Antibiotics in Environmental Remediation

Published on: October 6, 2022

2.7K

Area of Science:

  • Materials Science
  • Photocatalysis
  • Nanotechnology

Background:

  • Efficient charge separation and photocatalytic stability are crucial for visible-light-driven hydrogen evolution.
  • Ternary chalcogenides like CdZnS are promising photocatalysts but often face challenges in charge carrier dynamics.

Purpose of the Study:

  • To develop a novel self-rectified photocatalyst for improved hydrogen evolution.
  • To investigate the role of Shockley partial dislocation-induced multiple faults in enhancing photocatalytic performance.

Main Methods:

  • Fabrication of Cd0.8Zn0.2S nanorods with engineered multiple faults.
  • Characterization of the nanostructure and defect sites.
  • Analysis of band bending and Fermi-level dynamics using advanced techniques.

Main Results:

  • Successfully constructed a self-rectified photocatalyst with a nanorectifier structure along the axial direction.
  • Observed band bending and Fermi-level flattening at the nanorectifier, facilitating reverse charge transfer.
  • Demonstrated efficient separation of photogenerated charge carriers due to the unique nanorectifier.

Conclusions:

  • The engineered multiple faults in CdZnS nanorods create a nanorectifier, significantly improving charge separation.
  • This self-rectified structure enhances photocatalytic performance for visible-light-driven hydrogen evolution.
  • The findings offer a new strategy for designing advanced photocatalysts.