Publication detail

2H and 2H/1T-Transition Metal Dichalcogenide Films Prepared via Powderless Gas Deposition for the Hydrogen Evolution Reaction

BROWNE, M. NOVOTNÝ, F. MANZANARES-PALENZUELA, C. ŠTURALA, J. SOFER, Z. PUMERA, M.

Original Title

2H and 2H/1T-Transition Metal Dichalcogenide Films Prepared via Powderless Gas Deposition for the Hydrogen Evolution Reaction

Type

journal article in Web of Science

Language

English

Original Abstract

The cathodic process in electrochemical water electrolyzers, the hydrogen evolution reaction (HER), is an extremely important reaction as it produces clean H-2 gas that can be utilized in a fuel cell to create electricity as an energy source for the increasing energy consumption of today's World. Transition metal dichalcogenide (TMD) materials have emerged as a competitor to Pt catalysts for the HER; however, the HER catalytic activity of TMD materials depends on various parameters including their fabrication route. Herein, we present a one-step powderless deposition growth process of 2H-MoS2 and 2H-WS2 materials on their native metals which serve directly as electrodes. The 2H phase TMDs were subsequently partially converted to the 1T-phase by a tert-butyllithium immersion treatment. The 2H and 2H/1T phase TMD foils were utilized for electrochemical hydrogen evolution, and we show that these TMD foils outperform or rival other MoS2 and WS2 materials in the literature fabricated by powder-based deposition/growth techniques. These findings highlight the importance of developing new scalable fabrication routes for HER catalysts in the race toward clean energy production.

Keywords

powderless deposition method; hydrogen evolution reaction; transition metal dichalcogenides; phase conversion

Authors

BROWNE, M.; NOVOTNÝ, F.; MANZANARES-PALENZUELA, C.; ŠTURALA, J.; SOFER, Z.; PUMERA, M.

Released

7. 10. 2019

ISBN

2168-0485

Periodical

ACS Sustainable Chemistry and Engineering

Year of study

7

Number

19

State

United States of America

Pages from

16440

Pages to

16449

Pages count

10

URL

https://pubs-acs-org.ezproxy.lib.vutbr.cz/doi/abs/10.1021/acssuschemeng.9b03637

BibTex

@article{BUT159847,
  author="Michelle P. {Browne} and Filip {Novotný} and Carmen Lorena {Manzanares-Palenzuela} and Jiří {Šturala} and Zdeněk {Sofer} and Martin {Pumera}",
  title="2H and 2H/1T-Transition Metal Dichalcogenide Films Prepared via Powderless Gas Deposition for the Hydrogen Evolution Reaction",
  journal="ACS Sustainable Chemistry and Engineering",
  year="2019",
  volume="7",
  number="19",
  pages="16440--16449",
  doi="10.1021/acssuschemeng.9b03637",
  issn="2168-0485",
  url="https://pubs-acs-org.ezproxy.lib.vutbr.cz/doi/abs/10.1021/acssuschemeng.9b03637"
}