Impact Electrochemistry of Layered Transition Metal Dichalcogenides

Result code in IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F60461373%3A22310%2F15%3A43899777" target="_blank" >RIV/60461373:22310/15:43899777 - isvavai.cz</a>

Result on the web

<a href="http://pubs.acs.org/doi/abs/10.1021/acsnano.5b03357" target="_blank" >http://pubs.acs.org/doi/abs/10.1021/acsnano.5b03357</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.1021/acsnano.5b03357" target="_blank" >10.1021/acsnano.5b03357</a>

Result language

angličtina

Original language name

Impact Electrochemistry of Layered Transition Metal Dichalcogenides

Original language description

Layered transition metal dichalcogenides (TMDs) exhibit paramount importance in the electrocatalysis of the hydrogen evolution reaction. It is crucial to determine the size of the electrocatalytic particles as well as to establish their electrocatalyticactivity, which occurs at the edges of these particles. Here, we show that individual TMD (MoS2, MoSe2, WS2, or WSe2; in general MX2) nanoparticles impacting an electrode surface provide well-defined current "spikes" in both the cathodic and anodic regions. These spikes originate from direct oxidation of the nanoparticles (from M4+ to M6+) at the anodic region and from the electrocatalytic currents generated upon hydrogen evolution in the cathodic region. The positive correlation between the frequency of the impacts and the concentration of TMD nanoparticles is also demonstrated here, enabling determination of the concentration of TMD nanoparticles in colloidal form. In addition, the size of individual TMD nanoparticles can be evaluated

Czech name

—

Czech description

—

Type

J_x - Unclassified - Peer-reviewed scientific article (Jimp, Jsc and Jost)

CEP classification

CA - Inorganic chemistry

OECD FORD branch

—

Project

<a href="/en/project/GA15-07912S" target="_blank" >GA15-07912S: New 2D layered chalcogenides thin films and 3D nanostructures: Synthesis and characterization</a><br>

Continuities

P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Publication year

2015

Confidentiality

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Name of the periodical

ACS Nano

ISSN

1936-0851

e-ISSN

—

Volume of the periodical

9

Issue of the periodical within the volume

8

Country of publishing house

US - UNITED STATES

Number of pages

10

Pages from-to

8474-8483

UT code for WoS article

000360323300078

EID of the result in the Scopus database

—