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Effect of the Plasma Functionalization of Carbon Nanotubes on the Formation of a Carbon Nanotube-Nickel Oxide Composite Electrode Material

期刊

SEMICONDUCTORS
卷 52, 期 15, 页码 1936-1941

出版社

PLEIADES PUBLISHING INC
DOI: 10.1134/S1063782618150022

关键词

functionalization of carbon nanotubes; plasma; CNT; nickel oxide; SILAR; composite; supercapacitor

资金

  1. Russian Science Foundation [16-19-10625]

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The unique properties of carbon nanotubes (CNTs) make these systems promising for the production of composite electrode materials based on a combination of CNTs and transition metal oxides. The effect the parameters of the functionalization of vertically aligned CNT arrays in mixed argon-oxygen high-frequency plasma have on the structural characteristics of CNTs is studied by Raman spectroscopy. The effect the duration of treatment at higher partial argon consumption and low total gas consumption of the working mixture has on the distribution of nickel oxide over a CNT array deposited via SILAR is determined. Results from scanning electron microscopy show that lengthening the duration of functionalization from 30 to 1200s allows the depth of coating a CNT surface with a nickel oxide layer to be increased from 300 nm to 2.5 m. Composite structures produced in this work can be used as electrodes of supercapacitors.

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