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Deciphering the elementary steps of transport-reaction processes at individual Ag nanoparticles by 3D superlocalization microscopy
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Patel, Anisha N., Martinez-Marrades, Ariadna, Brasiliense, Vitor, Koshelev, Dmitry, Besbes, Mondher, Kuszelewicz, Robert, Combellas, Catherine, Tessier, Gilles and Kanoufi, Frédéric (2015) Deciphering the elementary steps of transport-reaction processes at individual Ag nanoparticles by 3D superlocalization microscopy. Nano Letters, 15 (10). pp. 6454-6463. doi:10.1021/acs.nanolett.5b02921 ISSN 1530-6984.
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Official URL: http://dx.doi.org/10.1021/acs.nanolett.5b02921
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.
Item Type: | Journal Article | ||||
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Divisions: | Faculty of Science, Engineering and Medicine > Engineering > WMG (Formerly the Warwick Manufacturing Group) | ||||
Journal or Publication Title: | Nano Letters | ||||
Publisher: | American Chemical Society | ||||
ISSN: | 1530-6984 | ||||
Official Date: | 1 September 2015 | ||||
Dates: |
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Volume: | 15 | ||||
Number: | 10 | ||||
Page Range: | pp. 6454-6463 | ||||
DOI: | 10.1021/acs.nanolett.5b02921 | ||||
Status: | Peer Reviewed | ||||
Publication Status: | Published | ||||
Access rights to Published version: | Restricted or Subscription Access |
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