Combining Electrodeposition and Optical Microscopy for Probing Size‐Dependent Single‐Nanoparticle Electrochemistry

Electrodeposition of nanoparticles (NPs) is a promising route for the preparation of highly electroactive nanostructured electrodes. By taking advantage of progressive electrodeposition, disordered arrays with a wide size distribution of Ag NPs are produced. Combined with surface‐reaction monitoring...

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Bibliographic Details
Published in:Angewandte Chemie International Edition 2018-09, Vol.57 (37), p.11998-12002
Main Authors: Lemineur, Jean‐François, Noël, Jean‐Marc, Ausserré, Dominique, Combellas, Catherine, Kanoufi, Frédéric
Format: Article
Language:English
Subjects:
Chemical reactions
Chemical Sciences
Electrochemistry
Electrodeposition
Engineering Sciences
Material chemistry
Microscopes
Microscopy
Nanoparticles
Optical microscopy
Optics
Other
Oxidation
Particle size distribution
Photonic
single-nanoparticle electrochemistry
Size distribution
size effects
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Summary:Electrodeposition of nanoparticles (NPs) is a promising route for the preparation of highly electroactive nanostructured electrodes. By taking advantage of progressive electrodeposition, disordered arrays with a wide size distribution of Ag NPs are produced. Combined with surface‐reaction monitoring by using highly sensitive backside absorbing‐layer optical microscopy (BALM), such arrays offer a platform for screening size‐dependent electrochemistry at the single NP level. In particular, this strategy allows rationalizing the electrodeposition dynamics at the single‐NP level (>10 nm), up to the point of quantifying the presence of metal nanoclusters (
ISSN:1433-7851
1521-3773
DOI:10.1002/anie.201807003