ArticleLangmuir : the ACS journal of surfaces and colloids2017
Simulation-Based Approach to Determining Electron Transfer Rates Using Square-Wave Voltammetry.
Article in Langmuir : the ACS journal of surfaces and colloids, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 19 papers.
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Who cites it
19 citing papers in PubMed, 69 citations in OpenAlex.
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- Design and Analysis of a Sample-and-Hold CMOS Electrochemical Sensor for Aptamer-based Therapeutic Drug Monitoring.IEEE journal of solid-state circuits · 2020Article
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- Electrochemical Studies of Cation Condensation-Induced Collapse of Surface-Bound DNA.Langmuir : the ACS journal of surfaces and colloids · 2019Article
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- Electrochemical Behavior of Al(III) and Formation of Different Phases Al-Ni Alloys Deposits from LiCl-KCl-AlCl₃ Molten Salt.Materials (Basel, Switzerland) · 2018Article
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Corrections and comments
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Authors and funding
6 authors at 1 institution in 1 country.
Funding
Abstract
The efficiency with which square-wave voltammetry differentiates faradic and charging currents makes it a particularly sensitive electroanalytical approach, as evidenced by its ability to measure nanomolar or even picomolar concentrations of electroactive analytes. Because of the relative complexity of the potential sweep it uses, however, the extraction of detailed kinetic and mechanistic information from square-wave data remains challenging. In response, we demonstrate here a numerical approach by which square-wave data can be used to determine electron transfer rates. Specifically, we have developed a numerical approach in which we model the height and the shape of voltammograms collected over a range of square-wave frequencies and amplitudes to simulated voltammograms as functions of the heterogeneous rate constant and the electron transfer coefficient. As validation of the approach, we have used it to determine electron transfer kinetics in both freely diffusing and diffusionless surface-tethered species, obtaining electron transfer kinetics in all cases in good agreement with values derived using non-square-wave methods.
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Registered trials
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