Journal
ELECTROANALYSIS
Volume 23, Issue 6, Pages 1447-1453Publisher
WILEY-BLACKWELL
DOI: 10.1002/elan.201000663
Keywords
Theoretical chemistry; Random walk; Nanoscience; Electroanalytical chemistry; Diffusion
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In this paper, we report a theoretical study exploring the stochastic signal from electrochemical detection toward the nanometer scale systems. By using a discrete simulation as well as a statistical theory, this work investigates the distribution of the capturing times for redox molecules that released at a given distance from an electrode. We find that the capturing times tend to distribute over a wider range with a larger distance between the molecule's source and the electrode, and thus the corresponding electrochemical signal would be somewhat less repeatable.
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