Abstract
A comparative study has been conducted on the cathode electrolysis plasma emission spectra recorded during the plasma-assisted electrochemical exfoliation of black phosphorus and graphite under maximally identical experimental conditions. It has been found that in the case of black phosphorus exfoliation, the concentration of active intermediates (OH radicals and O atoms) in electrolytic plasma is significantly lower than that in the case of the graphite electrode. It has been assumed that this effect is due to the fact that the rate of interaction of the above intermediates with the synthesized phosphorene structures is significantly higher than the rate of interaction with graphene-like particles. This assumption has been confirmed by the detection of a significantly higher oxygen content in the exfoliation products of black phosphorus than the oxygen content in the synthesized carbon nanoparticles.
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Funding
This work was supported by the Russian Science Foundation, project no. 22-23-00774, and performed using the equipment of the Shared-Use Analytical center at the Federal Research Center for Problems of Chemical Physics and Medicinal Chemistry of the Russian Academy of Sciences. The electrolytic plasma emission spectra were measured as part of a basic research program (no. 122040500073-4) and a state order (subject no. FFSG-2024-006).
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Translated by M. Timoshinina
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Kochergin, V.K., Manzhos, R.A., Komarova, N.S. et al. Features of Few-Layer Phosphorene Structure Synthesis by Plasma-Assisted Electrochemical Exfoliation of Black Phosphorus. High Energy Chem 58, 328–331 (2024). https://doi.org/10.1134/S0018143924700073
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DOI: https://doi.org/10.1134/S0018143924700073