DOI

In this paper, we propose a fast and simple approach for the fabrication of the electrocatalytically active ruthenium-containing microstructures using a laser-induced metal deposition technique. The results of scanning electron microscopy and electrical impedance spectroscopy (EIS) demonstrate that the fabricated ruthenium-based microelectrode had a highly developed surface composed of 10 mu m pores and 10 nm zigzag cracks. The fabricated material exhibited excellent electrochemical properties toward non-enzymatic dopamine sensing, including high sensitivity (858.5 and 509.1 mu A mM(-1) cm(-2)), a low detection limit (0.13 and 0.15 mu M), as well as good selectivity and stability.

Язык оригиналаАнглийский
Номер статьи5385
Число страниц11
ЖурналMaterials
Том13
Номер выпуска23
DOI
СостояниеОпубликовано - дек 2020

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