A printed electrocatalyst for hydrogen peroxide reduction
Gonzalez-Macia, L. , Smyth, M. and Killard, A. (2012) A printed electrocatalyst for hydrogen peroxide reduction. Electroanalyisis, 24 (3). pp. 609-614. ISSN 1521-4109
Publisher's URL: http://dx.doi.org/10.1002/elan.201100444
The modification of silver screen-printed electrodes with a dodecyl benzenesulphonic acid and KCl solution was performed by inkjet printing. Scanning Electron Microscopy was performed to characterize the electrode surfaces. Electrochemical reduction of H2O2 was studied and compared to electrodes modified by dip-coating. Analytical parameters of the all-printed electrode such as LOD, sensitivity and inter-electrode reproducibility were calculated (5.8 x 10-6 M, 4.9 x 10-2 AM-1cm-2 and approx. 10%) and contrasted with other data in the literature for the measurement of H2O2. Ink jet printing led to reductions in required surface modification times and improved signal to background levels and reproducibility.
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