Fotochemická degradace organických barviv pomocí práškových kompozitů g-C3N4/fylosilikát

Abstract

The master thesis is focused on the optimization of the preparation of photoactive composites type g-C3N4/clay. The thesis is divided into three parts - theoretical, practical and evaluation. The theoretical part contains description of clay minerals (montmorillonite, ghassoule and kaolinite), g-C3N4, melamine, urea, organic dyes and photocatalysis. The practical part is devoted to the preparation of organic molecule / phyllosilicate composites, which were calcined to temperatures of 500 - 650 ° C. All prepared samples were subjected to photocatalytic decomposition on the model dye Acid Orange 7. In the last part of the work, the most photoactive samples were analyzed by available methods (diffusion reflectance spectroscopy, photoluminescence, X-ray diffraction analysis, infrared and Raman spectroscopy) to confirm the presence of g-C3N4.