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Molecular Crystals and Liquid Crystals Volume 751, 2023 - Issue 1: Selected Proceedings of the 9th International Conference Nanotechnology and Nanomaterials (NANO2021), Part-2
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ARTICLE

The effect of the carbon material content on the electrophysical and optical properties of NiMoO4/C composites

O. M. Popovycha Vasyl Stefanyk Preсarpathian National University, Ivano-Frankivsk, UkraineCorrespondence[email protected]
ORCID Iconhttps://orcid.org/0000-0001-7580-9283View further author information
ORCID Icon,
I. M. Budzulyaka Vasyl Stefanyk Preсarpathian National University, Ivano-Frankivsk, UkraineView further author information
,
V. O. Kotsyubynskya Vasyl Stefanyk Preсarpathian National University, Ivano-Frankivsk, UkraineView further author information
,
V. O. Yukhymchukb V.Ye. Lashkaryov Institute of Semiconductors Physics, The National Academy of Sciences of Ukraine, Kyiv, UkraineView further author information
,
V.M. Boychuka Vasyl Stefanyk Preсarpathian National University, Ivano-Frankivsk, UkraineView further author information
,
S. I. Budzulyakb V.Ye. Lashkaryov Institute of Semiconductors Physics, The National Academy of Sciences of Ukraine, Kyiv, UkraineView further author information
&
O. V. Popovycha Vasyl Stefanyk Preсarpathian National University, Ivano-Frankivsk, UkraineView further author information
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Pages 91-99 | Published online: 09 May 2022
 
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Abstract

The aim of the work is to establish the dependences of the electrophysical and optical characteristics of NiMoO4/C composites from the content of carbon material. Experimental data and their analysis by Raman and impedance spectroscopy were used to achieve these goals. As a result of studies the numerical values of electrical conductivity at direct current and activation energy of the materials under study have been determined. The shift of the maximum G-band of composites to the high-frequency region in Raman spectra testifies to the formation of interfacial covalent bonds between NiMoO4 and carbon material in the process of hydrothermal synthesis.

Additional information

Funding

This work was supported by the National Research Foundations of Ukraine [Project No.2020.02/0043].

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