In Situ Laser-Induced Fabrication of a Ruthenium-Based Microelectrode for Non-Enzymatic Dopamine Sensing

Maxim S. Panov, Anastasiia E. Grishankina , Daniil D. Stupin, Alexey I. Lihachev , Vladimir N. Mironov, Daniil M. Strashkov , Evgeniia M. Khairullina , Ilya I. Tumkin , Mikhail N. Ryazantsev

Результат исследований: Научные публикации в периодических изданияхстатьярецензирование

1 Цитирования (Scopus)

Аннотация

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 μm 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 μA mM−1 cm−2), a low detection limit (0.13 and 0.15 μM), as well as good selectivity and stability.
Язык оригиналаанглийский
Номер статьи5385
ЖурналMaterials
Том13
Номер выпуска23
СостояниеОпубликовано - 2020

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