Journal of Physical Studies 25(3), Article 3801 [10 pages] (2021)
DOI: https://doi.org/10.30970/jps.25.3801

EFFECT OF THE CARBONIZATION TEMPERATURE OF PLANT BIOMASS ON THE STRUCTURE, SURFACE CONDITION AND ELECTRICAL CONDUCTIVE PROPERTIES OF CARBON NANOPOROUS MATERIAL

N. Ya. Ivanichok , O. M. Ivanichok , B. I. Rachiy , P. I. Kolkovskyi , I. M. Budzulyak , V. O. Kotsyubynsky , V. M. Boychuk , L. Z. Khrushch 

Vasyl Stefanyk Precarpathian National University, 57, Shevchenko St., Ivano-Frankivsk, UA–76000, Ukraine
e-mails: bogdan.rachiy@pnu.edu.ua, lesya.khrushch@pnu.edu.ua

Received 04 June 2021; in final form 22 July 2021; accepted 19 August 2021; published online 01 October 2021

In this work, we have obtained a nanoporous carbon material (CM) from walnut shells using the method of thermal carbonization. Moreover, the influence of the carbonization temperature of the raw material on the electrical conductivity of the CM obtained by Raman, infrared (IR), and impedance spectroscopy has been investigated. Consequently, to analyze the evolution of the electrical conductivity of the material with an increase in the carbonization temperature, the theory of percolation has been applied.

Key words: carbon nanoporous material, electrical conductivity, impedance spectroscopy, Raman spectroscopy, IR spectroscopy

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