Characterization of a Ruthenium(II) Complex in Singlet Oxygen-Mediated Photoelectrochemical Sensing.

ABSTRACT: A water-soluble ruthenium(II) complex (L), capable of producing singlet oxygen (¹O₂) when irradiated with visible light, was used to modify the surface of an indium-tin oxide (ITO) electrode decorated with a nanostructured layer of TiO₂ (TiO₂/ITO). Singlet oxygen triggers the appearance of a cathodic photocurrent when the electrode is illuminated and biased at a proper reduction potential value. The L/TiO₂/ITO electrode was first characterized with cyclic voltammetry, impedance spectroscopy, NMR, and Raman spectroscopy. The rate constant of singlet oxygen production was evaluated by spectrophotometric measurements. Taking advantage of the oxidative process initiated by ¹O₂, the analysis of phenolic compounds was a

SUBMITTER: Verrucchi M 

PROVIDER: S-EPMC9835978 | biostudies-literature | 2023 Jan

REPOSITORIES: biostudies-literature