Title
Vanadium Dopants: A Boon or a Bane for Molybdenum Dichalcogenides-Based Electrocatalysis Applications
Date Issued
01 February 2021
Access level
metadata only access
Resource Type
journal article
Author(s)
University of Chemistry and Technology Prague
Publisher(s)
Wiley-VCH Verlag
Abstract
The ever-rising concerns with regards to energy shortages and climate change have made the search for clean and renewable energy sources a pressing priority for the sustainable development of societies. Although, conventional precious metal-based catalysts such as platinum, iridium, and ruthenium are able to efficiently catalyze the conversion of chemical to electrical energy, they are often very costly, scarce, and suffer from poor stability, hence impeding their widespread applications. The limitations of the current state-of art catalysts have propelled tremendous efforts in search for alternative catalysts. Notably, transition metal dichalcogenides (TMDs) have spurred much enthusiasm because of their natural abundance, low cost, and remarkable catalytic activity. Numerous studies have recounted that doping can tune the properties of TMDs and that vanadium dopants reportedly improve the electrical properties of Group 6 TMDs. Herein, the authors aspire to investigate the effects of doping varying amounts of vanadium on molybdenum dichalcogenides on their electrocatalytic activities toward hydrogen evolution reaction, oxygen evolution reaction, and oxygen reduction reaction. Despite previous studies bespeaking promising effects, the results here demonstrate both improvements and worsening of electrocatalytic performances from varying the stoichiometry of vanadium dopants in molybdenum dichalcogenides, depending on the type of materials and intended electrochemical applications.
Volume
31
Issue
8
Language
English
OCDE Knowledge area
Química
Subjects
Scopus EID
2-s2.0-85096717404
Source
Advanced Functional Materials
ISSN of the container
1616301X
Sponsor(s)
M.P. acknowledges the financial support of Grant Agency of the Czech Republic (EXPRO: 19–26896X). Z.S. was supported by project LTAUSA19034 from Ministry of Education Youth and Sports (MEYS).
Sources of information:
Directorio de Producción Científica
Scopus