Advances in the Electronics for Cyclic Voltammetry
The Case of Gas Detection by Using Microfabricated Electrodes
Giorgio Pennazza (Campus Bio-Medico University of Rome)
Marco Santonico (Campus Bio-Medico University of Rome)
Luca Vollero (Campus Bio-Medico University of Rome)
Alessandro Zompanti (Campus Bio-Medico University of Rome)
Anna Sabatini (Campus Bio-Medico University of Rome)
Nandeesh Kumar (LIntes Research Laboratory, University of Rome Tor Vergata)
Ivan Pini (University of Rome Tor Vergata)
William F. Quiros Solano (TU Delft - Electronic Components, Technology and Materials)
Lina Sarro (TU Delft - Electronic Components, Technology and Materials)
Arnaldo D'Amico (University of Rome Tor Vergata)
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Abstract
This paper presents an advanced voltammetric system to be used as electronic tongue for liquid and gas analysis. It has been designed to be more flexible and accurate with respect to other existing and similar systems. It features improved electronics and additional operative conditions. Among others these include the possibility to optically excite the solution and to treat the output signal by a differentiation process in order to better evidence the existence of small details in the response curve. Finally by the same type of tongue preliminary results are shown dealing with O2 and CO2 concentration measurements in appropriate solutions.
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