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Creators/Authors contains: "Georgescu, Nicholas"

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  1. ; ; (, Electrochimica Acta)
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  2. ; ; ; ; ; (, 2020 Moratuwa Engineering Research Conference (MERCon))
    null (Ed.)
    This paper describes a GaNFET-based high-speed charge injection circuit to study fast redox processes at electrode-electrolyte interfaces. The circuit allows the rates of electrode processes, which are much faster than those accessible with a conventional potentiostat, to be measured. It is able to inject charge across the interface within a few nanoseconds, and also to hold the potential generated across the cell following injection for up to 1 s without appreciable (less than 1%) decay. In addition, the circuit can still monitor the current flowing through the cell, as in a conventional potentiostat. Preliminary test results with both a dummy load and a custom two-electrode electrochemical cell confirm the functionality of the proposed circuit. 
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  3. ; ; ; (, Electrochimica Acta)
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