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

Thermal and Photochemical Electrocyclic Reactions: Overview01:26

Thermal and Photochemical Electrocyclic Reactions: Overview

Electrocyclic reactions are reversible reactions. They involve an intramolecular cyclization or ring-opening of a conjugated polyene. Shown below are two examples of electrocyclic reactions. In the first reaction, the formation of the cyclic product is favored. In contrast, in the second reaction, ring-opening is favored due to the high ring strain associated with cyclobutene formation.
Electrochemical Cells01:28

Electrochemical Cells

Electrochemical cells are systems that convert chemical energy into electrical energy or use electrical energy to drive chemical reactions. They consist of two electrodes in contact with an electrolyte, where redox reactions enable electron transfer. Most electrochemical cells include two half-cells connected by an external wire for electron flow and a salt bridge for ion flow. The salt bridge contains an electrolyte solution and maintains charge neutrality by allowing ions—not electrons—to...
Interfacial Electrochemical Methods: Overview01:06

Interfacial Electrochemical Methods: Overview

Interfacial electrochemical methods focus on the phenomena occurring at the boundary between an electrode and a solution, as opposed to bulk methods that concentrate on the solution's overall properties. These interfacial methods are classified as either static or dynamic based on the presence of a nonzero current in the electrochemical cell and the consistency of analyte concentrations. Static methods, such as potentiometry, measure the cell's potential without any significant current passing...
Electrochemical Systems01:24

Electrochemical Systems

Electrochemical systems provide a fascinating insight into the dynamic interplay of charged species within various phases. One notable example is the interaction between a membrane permeable to K⁺ ions but not to Cl⁻ ions, separating an aqueous KCl solution from pure water. As K⁺ ions diffuse through the membrane, they generate net charges on each phase, leading to a potential difference between them.Similarly, when a piece of Zn is immersed in an aqueous ZnSO₄ solution, the Zn metal, composed...

You might also read

Related Articles

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

Sort by
Same author

Xifeng Zhichou decoction mitigates tic disorder on juvenile rats by regulating neuroinflammation and neurotransmitter homeostasis: dual modulation of Nr4a2 and gut microbiota.

Chinese medicine·2026
Same author

Topologically Programmed Dual-Channel Covalent Organic Frameworks Decouple Gas and Ion Fluxes for Acidic CO<sub>2</sub> Electroreduction.

Journal of the American Chemical Society·2026
Same author

Pyridine-Bridged Axial Coordination Creates Electron-Deficient Co-N<sub>5</sub> Porphyrin Sites for Selective Photoelectrochemical CO<sub>2</sub> Reduction on Si Nanowires.

The journal of physical chemistry letters·2026
Same author

Curvature-Controlled Field Effect Enables Thermal Localization for Low-Temperature C─F Bond Activation.

Advanced science (Weinheim, Baden-Wurttemberg, Germany)·2026
Same author

Spin-Dominated Electroreduction of Oxygen to Hydrogen Peroxide: A Case Study With Molecular Model Catalysts.

Angewandte Chemie (International ed. in English)·2026
Same author

Synergistic toxicity of abamectin with nanoplastics in rainbow trout mediated by gut-liver axis disruption: Insights into oxidative stress, metabolic dysregulation, and microbiota change.

Pesticide biochemistry and physiology·2026

Related Experiment Video

Updated: Jun 29, 2026

Preparation and Use of Photocatalytically Active Segmented Ag|ZnO and Coaxial TiO2-Ag Nanowires Made by Templated Electrodeposition
12:47

Preparation and Use of Photocatalytically Active Segmented Ag|ZnO and Coaxial TiO2-Ag Nanowires Made by Templated Electrodeposition

Published on: May 2, 2014

Gradient Mo Engineering in [100]-Oriented CuWO4 Films for Boosted Photoelectrochemical Water Splitting.

Yang Liu1, Ting Zhou1, Long Chen1

  • 1School of Chemistry and Chemical Engineering, Central South University, Changsha, China.

Small (Weinheim an Der Bergstrasse, Germany)
|June 27, 2026
PubMed
Summary

Gradient Mo-doping in copper tungstate (CuWO4) films enhances photoelectrochemical water splitting by improving charge transfer. This engineered material achieves a high photocurrent density, demonstrating a new strategy for efficient solar fuel production.

Keywords:
CuWO4charge transfercrystal orientationgradient Mo dopingphotoelectrochemical water splittingstepwise band bending

More Related Videos

Solar-Driven Electrochemical Green Fuel Production from CO2 and Water Using Ti3C2Tx MXene-Supported CuZn and NiCo Catalysts
10:15

Solar-Driven Electrochemical Green Fuel Production from CO2 and Water Using Ti3C2Tx MXene-Supported CuZn and NiCo Catalysts

Published on: November 7, 2025

Developing Photosensitizer-Cobaloxime Hybrids for Solar-Driven H2 Production in Aqueous Aerobic Conditions
10:21

Developing Photosensitizer-Cobaloxime Hybrids for Solar-Driven H2 Production in Aqueous Aerobic Conditions

Published on: October 5, 2019

Related Experiment Videos

Last Updated: Jun 29, 2026

Preparation and Use of Photocatalytically Active Segmented Ag|ZnO and Coaxial TiO2-Ag Nanowires Made by Templated Electrodeposition
12:47

Preparation and Use of Photocatalytically Active Segmented Ag|ZnO and Coaxial TiO2-Ag Nanowires Made by Templated Electrodeposition

Published on: May 2, 2014

Solar-Driven Electrochemical Green Fuel Production from CO2 and Water Using Ti3C2Tx MXene-Supported CuZn and NiCo Catalysts
10:15

Solar-Driven Electrochemical Green Fuel Production from CO2 and Water Using Ti3C2Tx MXene-Supported CuZn and NiCo Catalysts

Published on: November 7, 2025

Developing Photosensitizer-Cobaloxime Hybrids for Solar-Driven H2 Production in Aqueous Aerobic Conditions
10:21

Developing Photosensitizer-Cobaloxime Hybrids for Solar-Driven H2 Production in Aqueous Aerobic Conditions

Published on: October 5, 2019

Area of Science:

  • Materials Science
  • Electrochemistry
  • Photocatalysis

Background:

  • Copper tungstate (CuWO4) shows potential for photoelectrochemical (PEC) water splitting.
  • Inefficient charge transfer currently limits the practical performance of CuWO4.

Purpose of the Study:

  • To develop a gradient Mo-doped CuWO4 film (CuWxMo1-xO4) for improved PEC water splitting.
  • To investigate the effect of compositional gradient and crystal orientation on charge carrier dynamics.

Main Methods:

  • Facile hydrothermal synthesis of CuWxMo1-xO4 films with preferential [100] crystal orientation.
  • Characterization of the W/Mo compositional gradient and stepwise band profile.
  • Evaluation of PEC performance, including photocurrent density and stability.

Main Results:

  • A continuous W/Mo compositional gradient was established, creating a stepwise band profile across the film.
  • The engineered film exhibited accelerated separation and transport of photogenerated carriers.
  • The CuWxMo1-xO4 film achieved a high photocurrent density of 1.53 mA cm-2 with limited decay over 50 hours.

Conclusions:

  • Gradient band engineering is an effective doping strategy to overcome charge-transfer limitations in CuWO4.
  • Tailoring crystal orientation alongside stepwise energy bands offers a general approach for high-performance photoelectrodes.