Molecular fluorinated cobalt phthalocyanine immobilized on ordered mesoporous carbon as an electrochemical sensing platform for sensitive detection of hydrogen peroxide and hydrazine in alkaline medium

نویسندگان

چکیده

Non-precious molecular cobalt phthalocyanine (CoPc) complexes have been considered to be promising electrocatalysts due diversity of substituents and carbon supporting matrixes. Here, we report a highly dispersed fluorinated CoPc (CoPcF16) molecule electrocatalyst immobilized in ordered mesoporous CMK-3 (CMK-3-CoPcF16) via π-π interaction. The is characterized by X-ray photoelectron spectroscopy, Raman spectrum, electronic paramagnetic resonance, scanning electron microscopy, transmission microscopy electrochemical impedance spectroscopy. combination fluorine high loading capability increase the solubility CoPc, suppress aggregation, thereby enhance electrocatalytic performance. As result, CMK-3-CoPcF16 modified electrode shows activity towards oxidation hydrogen peroxide hydrazine. hybrid successfully presented as an sensing platform for sensitive detection H2O2 hydrazine with limit 0.03 0.2 µM, respectively.

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ژورنال

عنوان ژورنال: Journal of Electroanalytical Chemistry

سال: 2022

ISSN: ['1873-2569', '1572-6657']

DOI: https://doi.org/10.1016/j.jelechem.2022.116019