Synthesis and application of nanostructured composite fibers
DOI:
https://doi.org/10.18321/cpc21(4)227-236Keywords:
NiO nanoparticles, solution combustion method, electrospinning, composite fibers, gas sensor.Abstract
The global environmental crisis has highlighted the urgent need for improved means of tracking and analyzing environmental parameters. In this context, gas sensors, which play an important role in air quality assessment, are constantly being developed to improve the accuracy and efficiency of detecting harmful substances. This work is aimed at obtaining carbon fibers modified with metal oxide nanoparticles in order to create materials with high gas sensitivity.A promising compound for this purpose is NiO oxide, which can be efficiently synthesized by solution combustion method. This method is simple and allows for precise control of the structure and properties of the product, allowing for customization and high detection efficiency and accuracy.Carbon fibers modified with nickel oxide nanoparticles obtained by solution combustion and having an average crystallite size of 48 nm were found to have a sensitivity to acetone of 73%. The analysis of gas sensitivity of the material gave positive results indicating high sensitivity of the sample to gaseous acetone and chemical stability.
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