Deciphering the Elementary Steps of Transport-Reaction Processes at Individual Ag Nanoparticles by 3D Superlocalization Microscopy

Nano Letters
Anisha N PatelFrédéric Kanoufi

Abstract

Transport-reaction processes at individual Ag nanoparticles (NPs) are studied using electrochemistry coupled with in situ 3D light scattering microscopy. Electrochemistry is used to trigger a (i) diffusiophoretic transport mode capable of accelerating and preconcentrating NPs toward an electrode and (ii) subsequent diffusion-controlled oxidation of NPs. Individual NP dissolution rate, analyzed using optical modeling, suggests the intervention of insoluble products. New insights into diverse NPs behaviors highlight the strength of coupled optical-electrochemical 3D microscopies for single-NP studies.

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Citations

Feb 24, 2016·Journal of the American Chemical Society·Vitor BrasilienseFrédéric Kanoufi
Jun 23, 2016·Langmuir : the ACS Journal of Surfaces and Colloids·Clara Morita-ImuraHitoshi Shindo
Sep 7, 2016·Accounts of Chemical Research·Vitor BrasilienseFrédéric Kanoufi
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Oct 7, 2016·Physical Chemistry Chemical Physics : PCCP·Muhammad Zafir Mohamad Nasir, Martin Pumera
Aug 25, 2017·Angewandte Chemie·T Jane StockmannFrédéric Kanoufi
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Apr 8, 2020·Chemical Science·Xin ChangRichard G Compton
May 30, 2019·The Journal of Physical Chemistry Letters·Mahmoud Elsayed HafezYi-Tao Long
May 18, 2018·Analytical Chemistry·Vitor BrasilienseFrédéric Kanoufi
Jul 12, 2018·Journal of the American Chemical Society·Kevin WonnerKristina Tschulik
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Aug 12, 2017·Journal of the American Chemical Society·Rui HaoBo Zhang
Sep 23, 2021·Journal of the American Chemical Society·Peter A Defnet, Bo Zhang

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