Ultrasonic modification of nanocrystalline NiMoO4 hydrate obtained by hydrothermal method

Olha Popovych; Ivan Budzulyak; Volodymyr Kotsyubynsky; Volodymyra Boychuk; Roman Ilnytskyi; Mariia Khemii; Nataliia Ivanichok; Yevhenii Lezun

doi:10.15330/pcss.23.2.341-346

Authors

Olha Popovych Vasyl Stefanyk Precarpathian National University, Ivano-Frankivsk, Ukraine
Ivan Budzulyak Vasyl Stefanyk Precarpathian National University, Ivano-Frankivsk, Ukraine
Volodymyr Kotsyubynsky Vasyl Stefanyk Precarpathian National University, Ivano-Frankivsk, Ukraine
Volodymyra Boychuk Vasyl Stefanyk Precarpathian National University, Ivano-Frankivsk, Ukraine
Roman Ilnytskyi Vasyl Stefanyk Precarpathian National University, Ivano-Frankivsk, Ukraine
Mariia Khemii Vasyl Stefanyk Precarpathian National University, Ivano-Frankivsk, Ukraine
Nataliia Ivanichok Vasyl Stefanyk Precarpathian National University, Ivano-Frankivsk, Ukraine
Yevhenii Lezun Vasyl Stefanyk Precarpathian National University, Ivano-Frankivsk, Ukraine

DOI:

https://doi.org/10.15330/pcss.23.2.341-346

Keywords:

nickel molybdate hydrate, ultrasonic modification, specific surface area, conductivity

Abstract

The paper presents the results of studies of the crystal structure, surface morphology and electrical properties of nickel molybdate obtained by hydrothermal method and modified by ultrasound. The influence of the duration of ultrasonic dispersion on the crystallites size, specific surface area, pore size distribution and activation energy of charge carriers of nickel molybdate hydrate is determined. It was found that ultrasound with a frequency of 22 kHz and a duration of 90 min leads to an increase in the total volume of mesopores from 0.135 cm²/g to 0.223 cm²/g with an average diameter of 28.5 nm.

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