Version 1
: Received: 15 February 2023 / Approved: 17 February 2023 / Online: 17 February 2023 (09:19:50 CET)
How to cite:
Shelemanov, A.; Tincu, A.; Evstropiev, S.; Nikonorov, N.; Vasilyev, V. Porous ZnO-ZnAl2O4-CuO Nanocomposites Synthesized by Polymer-Salt Method for Photocatalytic Water Purification and Splitting. Preprints2023, 2023020308. https://doi.org/10.20944/preprints202302.0308.v1.
Shelemanov, A.; Tincu, A.; Evstropiev, S.; Nikonorov, N.; Vasilyev, V. Porous ZnO-ZnAl2O4-CuO Nanocomposites Synthesized by Polymer-Salt Method for Photocatalytic Water Purification and Splitting. Preprints 2023, 2023020308. https://doi.org/10.20944/preprints202302.0308.v1.
Cite as:
Shelemanov, A.; Tincu, A.; Evstropiev, S.; Nikonorov, N.; Vasilyev, V. Porous ZnO-ZnAl2O4-CuO Nanocomposites Synthesized by Polymer-Salt Method for Photocatalytic Water Purification and Splitting. Preprints2023, 2023020308. https://doi.org/10.20944/preprints202302.0308.v1.
Shelemanov, A.; Tincu, A.; Evstropiev, S.; Nikonorov, N.; Vasilyev, V. Porous ZnO-ZnAl2O4-CuO Nanocomposites Synthesized by Polymer-Salt Method for Photocatalytic Water Purification and Splitting. Preprints 2023, 2023020308. https://doi.org/10.20944/preprints202302.0308.v1.
Abstract
In this work, the adsorption and photocatalytic properties of ZnO-ZnAl2O4 nanosized composites synthesized by the polymer-salt method have been studied. To evaluate the efficiency of adsorption, experiments were carried out on the decolorization of aqueous solutions of the Chicago Sky Blue diazo dye. The adsorption process is divided into two stages, at the first stage the dye is rapidly adsorbed on the outer surface of the composite particles, at the second stage the dye diffuses into the pores of the material. It was noted that the rate of photocatalytic decomposition of the dye is higher than the rate of the adsorption process, which indicates the occurrence of photocatalytic decomposition of dye molecules both on the surface of the composites and in the liquid phase. With an increase in the light intensity, the photocatalytic process is significantly accelerated, linearly at low intensities, and at high intensities the dependence becomes a power law.
Copyright:
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
