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Modification of the graphene oxide surface with copper pentacyanonitrosylferrate nanoparticles for electro-oxidation of hydrazine

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Abstract

The preparation of graphene oxide and the modification of its surface directly with copper pentacyanonitrosylferrate (III) nanoparticles are presented in this work, as well as the characterization of the materials using Fourier-transform infrared spectra, X-ray diffractometry and scanning electron microscopy techniques. Beyond that, the study on the electrochemical behavior of the dispersed bimetallic complex on the graphene oxide, as known as GOCuNP, surface was carried out by the cyclic voltammetry technique. The graphite paste electrode modified with GOCuNP was successfully applied in the detection of hydrazine, presenting limit of detection of 1.58 × 10–6 mol L−1 at concentration range of 1.00 × 10–5 to 5.00 × 10–3 mol L−1 of hydrazine, being so the proposed bimetallic complex formed can be considered as a potential candidate for the manufacturing of electrochemical sensors for hydrazine detection.

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Acknowledgements

The author would like to express the gratitude for the financial support by the São Paulo Research Foundation (FAPESP-grant 2015/20397-8) and the Coordenação de Aperfeiçoamento de Pessoal de Nível Superior—Brasil (CAPES).

Funding

This work was supported by the São Paulo Research Foundation (FAPESP), grant 2015/20397-8) and by the Coordenação de Aperfeiçoamento de Pessoal de Nível Superior—Brasil (CAPES)—Finance Code 001.

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  1. School of Engineering, Ilha Solteira, Physic and Chemistry Department, São Paulo State University (UNESP), Av. Brasil, 56, Ilha Solteira, SP, 15385-000, Brazil

    Vitor Alexandre Maraldi & Devaney Ribeiro do Carmo

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  1. Vitor Alexandre Maraldi
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All authors contributed to the study conception and design. Material preparation, data collection and analysis were performed by VAM under supervision of DRdC. The first draft of the manuscript was written by VAM, then it was reviewed and edited by DRdC. All authors read and approved the final manuscript.

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Correspondence to Devaney Ribeiro do Carmo.

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Maraldi, V.A., do Carmo, D.R. Modification of the graphene oxide surface with copper pentacyanonitrosylferrate nanoparticles for electro-oxidation of hydrazine. Carbon Lett. 31, 795–807 (2021). https://doi.org/10.1007/s42823-020-00198-y

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