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Scanning electrochemical microscopy (SECM) in feedback mode was employed to characterise the reactivity and microscopic peculiarities of bismuth and bismuth/lead alloys plated onto gold disk substrates in 0.1 mol L−1 NaOH solutions. Methyl viologen was used as redox mediator, while a platinum microelectrode was employed as the SECM tip. The metal films were electrodeposited ex situ from NaOH solutions...
A novel and simple method for fabrication of microelectrode ensembles is reported. This procedure is based on the heat-transference of toner masks onto conductive substrates such as gold, platinum, and glassy carbon. The percentage of printed toner masks was controlled by using a suitable graphic software. The heat transference of 100% black toner mask onto a conductive substrate isolated electrically...
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