Search research articles

Search research articles

Related Experiment Video

Updated: Feb 24, 2026

Characterizing Electron Transport through Living Biofilms

Characterizing Electron Transport through Living Biofilms

Published on: June 1, 2018

Nanodiffusion in electrocatalytic films.

Cyrille Costentin¹, Carlo Di Giovanni¹, Marion Giraud²

¹Université Paris Diderot, Sorbonne Paris Cité, Laboratoire d'Electrochimie Moléculaire, Unité Mixte de Recherche Université-CNRS No 7591, Bâtiment Lavoisier, 15 rue Jean de Baïf, 75205 Paris Cedex 13, France.

Nature Materials

|August 22, 2017

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

Synergistic ruthenium single-atom and nanoparticles in nickel as cooperative catalysts for the alkaline hydrogen evolution reaction.

Nanoscale·2026

Same author

A Self-Moderation Mechanism in CO<sub>2</sub> Electroreduction Catalyzed by a Cobalt Macrocyclic Complex.

Journal of the American Chemical Society·2026

Same author

Proton-Coupled Electron Transfer Deoxygenation of Pyridine N-Oxide: A Mechanistic Study.

Chemphyschem : a European journal of chemical physics and physical chemistry·2025

Same author

CAA-related enlarged perivascular spaces are associated with abnormal angioarchitecture in human brain tissue: A key role for white matter atrophy?

Journal of cerebral blood flow and metabolism : official journal of the International Society of Cerebral Blood Flow and Metabolism·2025

Same author

Automated Electroanalysis Accelerates the Discovery of Concerted Proton-Electron Transfer.

Journal of the American Chemical Society·2025

Same author

Visible light activation of C-Cl and C-F bonds in persistent organic pollutants using cerium(iii) triamidoamine complex.

Chemical science·2025

ABOUT JoVE

Overview Leadership Blog JoVE Help Center

AUTHORS

Publishing Process Editorial Board Scope & Policies Peer Review FAQ Submit

LIBRARIANS

Testimonials Subscriptions Access Resources Library Advisory Board FAQ

RESEARCH

JoVE Journal Methods Collections JoVE Encyclopedia of Experiments Archive

EDUCATION

JoVE Core JoVE Business JoVE Science Education JoVE Lab Manual Faculty Resource Center Faculty Site

Terms & Conditions of Use

This study analyzes substrate diffusion in catalytic nanoparticle films, revealing conditions where

Area of Science:

Electrochemistry
Materials Science
Chemical Engineering

Background:

Electrochemical reactions are crucial for modern energy solutions.
Catalytic nanoparticle films on electrodes offer high efficiency and selectivity.
Understanding mass transport is key to optimizing these catalysts.

Purpose of the Study:

To theoretically analyze competitive substrate diffusion modes in nanoparticle films.
To identify conditions favoring nanoparticle diffusion ('nanodiffusion').
To experimentally validate theoretical predictions for proton reduction catalysis.

Main Methods:

Theoretical analysis of diffusion modes (nanodiffusion, film, solution).
Development of a dimensionless parameter governing mass transport.

More Related Videos

Precise Electrochemical Sizing of Individual Electro-Inactive Particles

Precise Electrochemical Sizing of Individual Electro-Inactive Particles

Published on: August 4, 2023

Assessment of Boron Doped Diamond Electrode Quality and Application to In Situ Modification of Local pH by Water Electrolysis

Assessment of Boron Doped Diamond Electrode Quality and Application to In Situ Modification of Local pH by Water Electrolysis

Published on: January 6, 2016

Related Experiment Videos

Last Updated: Feb 24, 2026

Characterizing Electron Transport through Living Biofilms

Characterizing Electron Transport through Living Biofilms

Published on: June 1, 2018

Precise Electrochemical Sizing of Individual Electro-Inactive Particles

Precise Electrochemical Sizing of Individual Electro-Inactive Particles

Published on: August 4, 2023

Assessment of Boron Doped Diamond Electrode Quality and Application to In Situ Modification of Local pH by Water Electrolysis

Assessment of Boron Doped Diamond Electrode Quality and Application to In Situ Modification of Local pH by Water Electrolysis

Published on: January 6, 2016

Experimental validation using platinum nanoparticle/carbon mixtures in Nafion films.

Varying nanoparticle density and scan rate as experimental parameters.

Main Results:

A dimensionless parameter predicts dominant diffusion modes.
Theoretical framework identifies conditions for enhanced nanodiffusion.
Experimental results align with theoretical predictions for proton reduction.

Conclusions:

Nanodiffusion can be optimized by controlling nanoparticle density and experimental conditions.
This work provides a framework for designing efficient nanoparticle-based electrocatalysts.
Understanding diffusion limitations is critical for advancing energy conversion technologies.