Journal
ELECTROANALYSIS
Volume 22, Issue 4, Pages 384-392Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/elan.200900392
Keywords
Poly(o-phenylenediamine); Polymerization; Insulating layers; Carbon ink; Microelectrodes
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The formation of insulating layers of poly(o-phenylenediamine) via electropolymerization was performed on single carbon screen-printed electrodes. The effects of experimental parameters on the properties of the film were investigated, allowing for technique optimization. These conditions were then used to deposit films upon surfaces of 100 interconnected electrodes, with cyclic voltammetry used to study the electroactivity of the resulting electrodes. The insulating property of the film, for use in the formation of microelectrode array amperometric sensors, was evaluated. Finally, the insulated sensors were exposed to ultrasonic ablation to form microelectrode arrays, and these were subsequently assessed using optical and electrochemical techniques.
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