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Article Dans Une Revue Angewandte Chemie International Edition Année : 2018

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

Résumé

Electrodeposition of nanoparticles (NPs) is aprom-ising route for the preparation of highly electroactive nano-structured electrodes.B yt aking advantage of progressive electrodeposition, disordered arrays with aw ide 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 aplatform for screening size-dependent electrochemistry at the single NP level. In particular,t his strategy allows rationalizing the electrodeposition dynamics at the single-NP level (> 10 nm), up to the point of quantifying the presence of metal nano-clusters (< 2nm), and probing easier NP oxidation with size decrease,either through electrochemical or galvanic reactions.
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Dates et versions

hal-02381831 , version 1 (13-01-2020)

Identifiants

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Jean-François Lemineur, Jean-Marc Noël, Dominique Ausserré, Catherine Combellas, Frédéric Kanoufi. Combining Electrodeposition and Optical Microscopy for Probing Size-Dependent Single-Nanoparticle Electrochemistry. Angewandte Chemie International Edition, 2018, 57 (37), pp.11998-12002. ⟨10.1002/anie.201807003⟩. ⟨hal-02381831⟩
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