V. O. Zazhigalov, E. V. Zabolotnii, V. M. Kordan, M. M. Kurmach
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引用次数: 0
Abstract
Mechanochemical (MCT) and ultrasonic (UST) treatments have been used to change the particle sizes of photoactive oxides ZnO and TiO2 and their mixtures with inert oxides (MgO, Al2O3, and SiO2). It is shown that MCT leads to a significant decrease in the size of particles, while UST either does not affect their size or leads to an insignificant increase in their size due to aggregation. It is established that a decrease in particle size is accompanied by an increase in the band gap. The dilution of photoactive oxides decreases the metronidazole oxidative destruction rate constant. The reaction rate constant, which refers to a unit mass of a photoactive oxide, and metronidazole conversion decrease for all samples when the size of photoactive oxide particles is decreased (in the range of 20-50 nm).
期刊介绍：
Theoretical and Experimental Chemistry is a journal for the rapid publication of research communications and reviews on modern problems of physical chemistry such as:
a) physicochemical bases, principles, and methods for creation of novel processes, compounds, and materials;
b) physicochemical principles of chemical process control, influence of external physical forces on chemical reactions;
c) physical nanochemistry, nanostructures and nanomaterials, functional nanomaterials, size-dependent properties of materials.
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