Cu-based nanocatalyst by pulsed laser ablation in liquid for water splitting: Effect of the solvent

Lo Pò, Cristiano; Ruffino, Francesco; Terrasi, Antonio; Bruno, Elena; Reitano, Riccardo; Grimaldi, Maria Grazia; Boscarino, Stefano

doi:10.1016/j.jpcs.2024.112162

Journal of Physics and Chemistry of Solids

2024

DOI: 10.1016/j.jpcs.2024.112162

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Cu-based nanocatalyst by pulsed laser ablation in liquid for water splitting: Effect of the solvent

Cristiano Lo Pò,

Francesco Ruffino,

Antonio Terrasi

et al.

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Template-Assisted Electrodeposited Copper Nanostructres for Selective Detection of Hydrogen Peroxide

Naveen,

Lee

2024

Molecules

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In this study, we demonstrate the electrodeposition of copper nanoparticles (NPs) on pencil graphite electrodes (PGEs) utilizing sodium dodecyl sulphate (SDS) as a soft template. The utilization of the surfactant had an impact on both the physical arrangement and electrochemical characteristics of the modified electrodes. The prepared Cu-SDS/PGE electrodes had hierarchical dendritic structures of copper NPs, thereby increasing the surface area and electrochemical catalytic activity in comparison with Cu/PGE electrodes. The Cu-SDS/PGE electrode showed excellent catalytic activity in reducing hydrogen peroxide, resulting in the sensitive and selective detection of hydrogen peroxide. The electrode exhibited a good sensitivity of 21.42 µA/µM/cm2, a lower limit of detection 0.35, and a response time of less than 2 s over a wide range spanning 1 µM to 1 mM of hydrogen peroxide concentrations. The electrodes were also highly selective for H2O2 with minimal interference from other analytes even at concentrations higher than that of H2O2. The approach offers the benefit of electrode preparation in just 5 min, followed by analysis in 10 min, and enables for the quantitative determination of hydrogen peroxide within 30 min. This can be achieved utilizing a newly prepared, cost-effective electrode without the need for complex procedures.

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Template-Assisted Electrodeposited Copper Nanostructres for Selective Detection of Hydrogen Peroxide

Naveen,

Lee

2024

Molecules

View full text Add to dashboard Cite

show abstract

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Cu-based nanocatalyst by pulsed laser ablation in liquid for water splitting: Effect of the solvent

Cited by 1 publication

References 23 publications

Template-Assisted Electrodeposited Copper Nanostructres for Selective Detection of Hydrogen Peroxide

Template-Assisted Electrodeposited Copper Nanostructres for Selective Detection of Hydrogen Peroxide

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