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 Experiment Videos

Two-dimensional metallic tantalum disulfide as a hydrogen evolution catalyst.

Jianping Shi1,2, Xina Wang3, Shuai Zhang4

  • 1Department of Materials Science and Engineering, College of Engineering, Peking University, Beijing, 100871, China.

Nature Communications
|October 18, 2017
PubMed
Summary

Related Concept Videos

You might also read

Related Articles

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

Sort by
Same author

Drastically magnetically tuned coupling strength and nonlinearity in CrSBr exciton-polaritons.

Light, science & applications·2026
Same author

Selenium Doping and Vacancy Engineering to Regulate the P-Band Center of Sulfur in Zinc Sulfide for High-Performance Sodium-Ion Storage.

Nano letters·2026
Same author

A Biomimetic Bidirectional Interphase Enabled by a Single Molecule for Ultra-Stable Zn-I<sub>2</sub> Batteries.

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

A Spatiotemporally Coupled Carbon Flux Monitoring System for Salt Marsh Wetlands Based on Integrated Land-Air Collaborative Intelligence.

Sensors (Basel, Switzerland)·2026
Same author

An adaptive bidirectional mapping framework for the customized design of interpenetrating phase composite scaffolds.

Computer methods in biomechanics and biomedical engineering·2026
Same author

Sustainable Cellulose Enables Blue Energy Toward Osmotic Energy Conversion.

Nano-micro letters·2026

Researchers developed a scalable method to produce tantalum disulfide (TaS2) films for exploring charge-density waves and catalysis. These ultrathin TaS2 films show high efficiency for hydrogen evolution reactions, comparable to platinum catalysts.

Area of Science:

  • Materials Science
  • Condensed Matter Physics
  • Catalysis

Background:

  • Two-dimensional metallic transition metal dichalcogenides (TMDs) are crucial for fundamental physics and applications.
  • Scalable production of high-quality TMDs, like tantalum disulfide (TaS2), is a significant challenge hindering research and development.

Purpose of the Study:

  • To develop a facile method for fabricating thickness-tunable, centimeter-sized ultrathin films of tantalum disulfide (TaS2).
  • To investigate the charge-density wave (CDW) properties of the synthesized TaS2 films.
  • To evaluate the catalytic efficiency of TaS2 for hydrogen evolution reactions (HER).

Main Methods:

  • Chemical vapor deposition (CVD) route for fabricating ultrathin TaS2 films on gold foil.
  • Temperature-dependent Raman spectroscopy for characterizing CDW transitions.

Related Experiment Videos

  • Electrochemical measurements to assess hydrogen evolution reaction (HER) efficiency.

    • Main Results:

    • Successfully synthesized thickness-tunable, centimeter-sized ultrathin TaS2 films.
    • Observed phase transitions from nearly commensurate to commensurate charge-density waves in TaS2 flakes via Raman spectroscopy.
    • Demonstrated high hydrogen evolution reaction efficiency with as-grown TaS2 catalysts, comparable to platinum.

    Conclusions:

    • The developed CVD method enables scalable production of high-quality TaS2 films for scientific exploration and applications.
    • Synthesized TaS2 films exhibit promising charge-density wave behavior and excellent catalytic activity for HER.
    • This work paves the way for utilizing metallic TMDs as efficient and versatile catalysts.