One-pot electrochemical preparation of copper species immobilized poly(o-aminophenol)/MWCNT composite with excellent electrocatalytic activity for use as an H<sub>2</sub>O<sub>2</sub> sensor

Barathi, Palani; Thirumalraj, Balamurugan; Chen, Shen‐Ming; Angaiah, Subramania

doi:10.1039/c7qi00259a

Cited by 7 publications

(1 citation statement)

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“…In general, sensitivity arises from the charge transfer resistance that occurs between the modified electrode–electrolyte interface. For the Cu NPs/SPCE, CuO NPs/SPCE, and Sb NPs/SPCE, the R ct values were reported previously to be 2044, ∼4000, and ∼639 Ω. − The lower R ct value of Cu 2 Sb/SPCE shows a higher sensitivity toward the detection of SUZ. Thus, the obtained results reveal that the charge transfers properties of the SPCE enhanced greatly upon the annealed intermetallic Cu 2 Sb.…”

Section: Resultsmentioning

confidence: 74%

Intermetallic Compound Cu₂Sb Nanoparticles for Effective Electrocatalytic Oxidation of an Antibiotic Drug: Sulphadiazine

Vivekanandan

Muthukutty

Chen

et al. 2020

ACS Sustainable Chem. Eng.

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The synthesis of ordered nanosized intermetallic compounds is of specific interest in tuning their surface properties to obtain enhanced electrocatalytic activity and selectivity, used for various practical applications. In these regards, single crystalline Cu2Sb nanoparticles have been investigated, which are rarely explored in electroanalysis. The Cu2Sb nanoparticle was synthesized using a simple hydrothermal method and applied to the electrochemical sensing of sulphadiazine (SUZ). The nature of the as-synthesized Cu2Sb nanoparticles was confirmed by electron microscopic and spectroscopic studies. A Cu2Sb nanoparticle-fabricated disposable screen-printed electrode (Cu2Sb/SPCE) for a nonenzymatic SUZ sensor shows an enhanced oxidation current with low reduction potential compared to the unmodified SPCE and modified unannealed Cu–Sb SPCE. Under optimum conditions, the differential pulse voltammetry result of the Cu2Sb-modified SPCE revealed a wide linear range from 0.09 to 818.18 μM with a lower limit of detection (70 nm) and higher sensitivity (59.2 μA mM–1 cm–2) toward SUZ. The essential practical feasibility of the proposed sensor was evaluated, and it showed excellent selectivity, stability, repeatability, and reproducibility. Furthermore, the sensor was used to detect SUZ in a cream sample, and it confirms the potential capability of real-time sensing.

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Section: Resultsmentioning

confidence: 74%

Intermetallic Compound Cu₂Sb Nanoparticles for Effective Electrocatalytic Oxidation of an Antibiotic Drug: Sulphadiazine

Vivekanandan

Muthukutty

Chen

et al. 2020

ACS Sustainable Chem. Eng.

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Synthesis of Advanced Nanomaterials for Electrochemical Sensor and Biosensor Platforms

Udayan

Sawant

2021

Handbook on Synthesis Strategies for Advanced Materials

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Fabrication of amperometric sensor for glucose detection based on phosphotungstic acid–assisted PDPA/ZnO nanohybrid composite

Muthusankar¹,

Wabaidur

ALOthman

et al. 2020

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One-pot electrochemical preparation of copper species immobilized poly(o-aminophenol)/MWCNT composite with excellent electrocatalytic activity for use as an H₂O₂ sensor

Abstract: Redox activity of copper species immobilized poly(o-aminophenol)/multi-walled carbon nanotube for direct electrocatalysis towards detection of H2O2.

Cited by 7 publications

References 46 publications

Intermetallic Compound Cu₂Sb Nanoparticles for Effective Electrocatalytic Oxidation of an Antibiotic Drug: Sulphadiazine

Intermetallic Compound Cu₂Sb Nanoparticles for Effective Electrocatalytic Oxidation of an Antibiotic Drug: Sulphadiazine

Synthesis of Advanced Nanomaterials for Electrochemical Sensor and Biosensor Platforms

Fabrication of amperometric sensor for glucose detection based on phosphotungstic acid–assisted PDPA/ZnO nanohybrid composite

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One-pot electrochemical preparation of copper species immobilized poly(o-aminophenol)/MWCNT composite with excellent electrocatalytic activity for use as an H2O2 sensor

Abstract: Redox activity of copper species immobilized poly(o-aminophenol)/multi-walled carbon nanotube for direct electrocatalysis towards detection of H2O2.

Cited by 7 publications

References 46 publications

Intermetallic Compound Cu2Sb Nanoparticles for Effective Electrocatalytic Oxidation of an Antibiotic Drug: Sulphadiazine

Intermetallic Compound Cu2Sb Nanoparticles for Effective Electrocatalytic Oxidation of an Antibiotic Drug: Sulphadiazine

Synthesis of Advanced Nanomaterials for Electrochemical Sensor and Biosensor Platforms

Fabrication of amperometric sensor for glucose detection based on phosphotungstic acid–assisted PDPA/ZnO nanohybrid composite

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One-pot electrochemical preparation of copper species immobilized poly(o-aminophenol)/MWCNT composite with excellent electrocatalytic activity for use as an H₂O₂ sensor

Intermetallic Compound Cu₂Sb Nanoparticles for Effective Electrocatalytic Oxidation of an Antibiotic Drug: Sulphadiazine

Intermetallic Compound Cu₂Sb Nanoparticles for Effective Electrocatalytic Oxidation of an Antibiotic Drug: Sulphadiazine