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Issue 12, 2014
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Understanding nano-impacts: impact times and near-wall hindered diffusion

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Abstract

We report the residence time of freely-diffusing, catalytically-active nanoparticles within a electron tunnelling distance of a surface. The role of near-wall hindered diffusion is paramount and leads to the new concept of “hydrodynamic adsorption”. We give a comprehensive statistical analysis of the average impact times and derive expressions for a number values, crucial for the analysis of experimental data. Random walk simulations confirm the distribution of impact times with broad implications for nanochemistry.

Graphical abstract: Understanding nano-impacts: impact times and near-wall hindered diffusion

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Publication details

The article was received on 30 Jul 2014, accepted on 18 Aug 2014 and first published on 20 Aug 2014


Article type: Edge Article
DOI: 10.1039/C4SC02288B
Citation: Chem. Sci., 2014,5, 4592-4598
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    Understanding nano-impacts: impact times and near-wall hindered diffusion

    E. Kätelhön and R. G. Compton, Chem. Sci., 2014, 5, 4592
    DOI: 10.1039/C4SC02288B

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