Modification of TiO2 and ZnO Particles Under Mechanical Stress with Polypropylene
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Solid-state process of introducing oxygen vacancies into the structure of TiO2 and ZnO particles was studied. The phase transformations of metal oxides throughout the process were examined by X-ray diffraction (XRD). The influence of the loaded mechanical stress on the band gap was studied by diffuse reflectance spectroscopy (DRS). Mechanism of elimination of oxygen atoms from the surface of the oxides by co-milling with polyolefins, which can lead to creation of more effective materials for waste water treatment, was proposed.
Keywords:хigh-energy ball milling / оxygen vacancies / TiO2 / ZnO
Source:Nanoscience and Nanotechnology in Security and Protection against CBRN Threats, 2020, 209-213
- Springer Netherlands
- Research Centre of Advanced Materials and Technologies for Recent and Future Applications "PROMATECH", ITMS 26220220186.
- This is the peer-reviewed version of the paper: Skurikhina, O., Tothova, E., Markovic, S., Senna, M., 2020. Modification of TiO2 and ZnO Particles Under Mechanical Stress with Polypropylene, in: Petkov, P., Achour, M.E., Popov, C. (Eds.), Nanoscience and Nanotechnology in Security and Protection against CBRN Threats, NATO Science for Peace and Security Series B: Physics and Biophysics. Springer Netherlands, Dordrecht, pp. 209–213. https://doi.org/10.1007/978-94-024-2018-0_16