1. Department of Chemistry, Vasyl Stefanyk Precarpathian National University, 57, Shevchenko Str., Ivano-Frankivsk, 76018, Ukraine;
2. Educational and Scientific Center of Materials Science and Nanotechnology, Vasyl Stefanyk Precarpathian National University, 201, Galytska Str., Ivano-Frankivsk, Ukraine;
3. Department of Material Science and New Technology, Vasyl Stefanyk Precarpathian National University, 57 Shevchenko str., 76018 Ivano-Frankivsk, Ukraine;
4. Department of Physics, College of Science, University of Bahrain, PO Box 3203, Kingdom of Bahrain