Determination of the standard rate constant for soluble-soluble quasi-reversible electrochemical systems by linear sweep voltammetry: Application to the electrochemical oxidation on screen-printed graphite electrodes

Houam, Sabrina; Affoune, Abed Mohamed; Atek, Imene; Kesri, Fatima; Guermeche, Rania Saad; Chelaghmia, Mohamed Lyamine; Nacef, Mouna; Khelifi, Omar; Banks, Craig E.

doi:10.1016/j.electacta.2023.142200

Electrochimica Acta

2023

DOI: 10.1016/j.electacta.2023.142200

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Determination of the standard rate constant for soluble-soluble quasi-reversible electrochemical systems by linear sweep voltammetry: Application to the electrochemical oxidation on screen-printed graphite electrodes

Sabrina Houam

Abed Mohamed Affoune

Imene Atek

et al.

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Cited by 7 publications

References 33 publications

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Oxygen‐Doped Graphitic Carbon Nitride for Electrochemical Uric Acid Sensing: Method Without Metals

Thakur,

Bhardwajj,

Taunk

et al. 2024

ChemistrySelect

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The present study examined potential benefits of heteroatom doping to manipulate the electrical structure and to enhance the efficiency of the sensor, with an emphasis on developing inexpensive, metal‐free electrochemical sensors. Melamine and ammonium oxalate were used as precursors in a one‐step thermal polymerization technique yielding oxygen‐doped graphitic carbon nitride (O‐gCN). Following synthesis, the material's structural and morphological properties were thoroughly examined using a multitude of analytical techniques, including EIS. A notable decrease in impedance was observed, suggesting improved conductivity. Additionally, the doping approach exhibited a noticeable improvement in reduction current receptivity and surface area as compared to unmodified graphitic carbon nitride (g‐CN). Utilizing both differential pulse voltammetry (DPV) and the classical cyclic voltammetry (CV) methods, we investigated the electro oxidation of uric acid (UA) as well as concentration dependence and selectivity studies using oxygen‐doped graphitic carbon nitride modified glassy carbon electrode (O‐gCN@GCE). O‐gCN@GCE demonstrated remarkable performance, allowing the detection of UA concentrations as low as 7.784 µAµM−1cm−2. Its low detection limit of 0.57 µM and wider linear range (5–120 µM) further highlighted its potential for extremely sensitive assays and its remarkable capacity to operate over a broad UA concentration range.

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Oxygen‐Doped Graphitic Carbon Nitride for Electrochemical Uric Acid Sensing: Method Without Metals

Thakur,

Bhardwajj,

Taunk

et al. 2024

ChemistrySelect

View full text Add to dashboard Cite

show abstract

The relevance of the initial conditions in glassy carbon electrode sensing applications: the ferri/ferrocyanide redox reaction model system in aqueous solution

de Sá,

Pereira

2024

Electrochimica Acta

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Heterogenizing MnO2 nanostructure with industrial impurity ions for lead leakage-preventable anodes in zinc electrowinning

Zhuang,

Xu,

Duan

2024

Journal of Hazardous Materials

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Determination of the standard rate constant for soluble-soluble quasi-reversible electrochemical systems by linear sweep voltammetry: Application to the electrochemical oxidation on screen-printed graphite electrodes

Cited by 7 publications

References 33 publications

Oxygen‐Doped Graphitic Carbon Nitride for Electrochemical Uric Acid Sensing: Method Without Metals

Oxygen‐Doped Graphitic Carbon Nitride for Electrochemical Uric Acid Sensing: Method Without Metals

The relevance of the initial conditions in glassy carbon electrode sensing applications: the ferri/ferrocyanide redox reaction model system in aqueous solution

Heterogenizing MnO2 nanostructure with industrial impurity ions for lead leakage-preventable anodes in zinc electrowinning

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